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path final review-lecture questionss
path final review-lecture questions
275
Medical
Graduate
11/10/2009

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Term
What is the plasma membrane?
Definition
It's the outer cell surface
Term
Name three things about the plasma membrane?
Definition
It selectively permeable with an electric charge, got a lipid bilayer with inserted glycolipids and glycoproteins, and they have hydrophobic and hydrophilic regions.
Term
Define autocrine?
Definition
It is a substance that is created and has an effect on what created it.
Term
define paracrine?
Definition
It is a substance that has an effect on an adjacent cell but does not go through the blood stream.
Term
Define endocrine?
Definition
Is a substance that travels through the bloodstream and has an effect on a distant cell.
Term
Decrease in size of a cell tissue organ or the entire body can be referred to as?
Definition
Atrophy
Term
This two types of atrophy?
Definition
Physiological and predictable or pathologic
Term
Give two examples of predictable or physiological atrophy?
Definition
Atrophy of the thymus after puberty and aging
Term
List four or forms of pathological atrophy?
Definition
Caused by lack of nutrition, chronic ischemia, denervation, inactivity
Term
What is hypertrophy?
Definition
Enlarged cells
Term
What happens to the wall of the heart and the chambers during hypertrophy?
Definition
The wall of the heart thickens and the chambers get smaller.
Term
Give two examples of hypertrophy?
Definition
Hypertension for the heart and bodybuilders for hypertrophy of the skeletal muscles.
Term
What is hypertrophy often combine with?
Definition
Hyperplasia
Term
Define hyperplasia?
Definition
And increased number of cells in a tissue or organ
Term
Give four examples of hyperplasia?
Definition
Endometrial hyperplasia caused by action of estrogen, benign prostatic hyperplasia and elderly men, callus or corn on the heels from tight shoes, hyperplastic polyps of the intestines
Term
Define metaplasia?
Definition
It's the change in the type of cells. For example squamous cells to columnar cells
Term
Define dysplasia?
Definition
Precancerous condition in which the cells continue change until they be recognized.
Term
Somatic death, clinically defined as brain death occurs when tissues undergo?
Definition
autolysis
Term
Name two types of cell death?
Definition
Necrosis and apoptosis
Term
What are the features of necrosis in apoptosis?
Definition
Exogenous injury, involves a group of cells, swollen mitochondria and rough endoplasmic reticulum, a ruptured cell membrane, nuclear fragments
Term
What are the features of apoptosis in apoptosis?
Definition
Activated by a suicide gene, involves a single cell, programmed death, no changes no changes in the plasma membrane
Term
List four types of necrosis?
Definition
coagulative necrosis, liquefactive necrosis, caseous necrosis, enzymatic fat necrosis
Term
What is the most common form of necrosis and where would you see it?
Definition
Coagulative necrosis and it would be seen as cerebral vascular accident and myocardial infarction
Term
What type of necrosis is seen with acute pancreatitis?
Definition
Enzymatic fat necrosis
Term
What type of necrosis is seen in the brain?
Definition
Liquefactive necrosis
Term
Caseous necrosis is typically seen with what pathology?
Definition
Tuberculosis
Term
Name the five signs of inflammation and their Latin root?
Definition
Name the five signs of inflammation and their Latin root?
Heat, redness, swelling, pain, disturbed function
calor, rubor, tumor, dolor, functio laesa
Term
Tell me about histamine?
Definition
It's a biogenic amine, which released from platelets and mast cells, it stimulates retraction of the endothelial cells of venules, this leads to the formation of gaps, which increases its permeability. There is a short action immediate transient reaction because it is an activated by histaminase
Term
What are the main features of the complement system?
Definition
They are a group of plasma proteins produced by the liver circulating in inactive form. They are activated through a classical or alternative pathway. Activation leads to formation of biologically active fragments such as C3a, intermediate complexes such as C567, and terminal membrane attack complex Mac
Term
What are the Main functions of activated complement derivatives?
Definition
opsonitation, anaphylaxis, chemotaxis, cell lysis
Term
This involves a histamine release with increased vessel wall permeability?
Definition
Anaphylaxis
Term
Involves the migration of leukocytes on a chemical gradient?
Definition
Chemotaxis
Term
This is attacking of a bacteria and its phagocytosis?
Definition
Opsonitation
Term
Cell lysis involves?
Definition
The action of and MAC
Term
With the emigration of leukocytes and extravasation of fluids what are the steps?
Definition
There is increased permeability of the vessel wall and increased hydrostatic pressure which is called transudate. There is emigration of leukocytes called exudate. There is diabetes is of leukocytes and their movement is a consequence of chemotaxis which is released by bacteria
Term
Transudate has?
Definition
Low number of proteins, low number of neutrophils
Term
What is diapedesis?
Definition
Leukocytes squeeze through the gaps of the vessel wall
Term
What are the steps of emigration of leukocytes?
Definition
margination with retraction of epithelial cells, adhesion of the vessel wall, diapedesis out of the vessel wall, chemotaxis
Term
What does a granuloma consist of?
Definition
Lymphocytes, epithelioid cells(macrophages), giant cells
Term
List five cells that participate in wound healing?
Definition
Neutrophils, macrophages, myofibroblasts, fibroblasts, angioplasties
Term
What does angioblast do?
Definition
Lay down new vasculature
Term
What does a myofibroblasts do?
Definition
Lay down muscle fibers
Term
Involved in phagocytosis?
Definition
Neutrophils and macrophages
Term
What does a fibroblast do?
Definition
Lay down collagen
Term
Wound healing by which intention has granulation tissue?
Definition
Wound healing by secondary intention
Term
A person who has a scar that will not hold together as what type of a scar?
Definition
Dehiscence
Term
A person who has a scar that is raised as what type of a scar?
Definition
Keloid
Term
A person who has a scar that is so tight causes contractions and is commonly seen in burn victims as what type of scar?
Definition
Contractures
Term
What does T.. O. R. C. H. stand for?
Definition
Toxoplasma, others, rubella, cytomegalovirus, herpes virus
Term
What is most affected when somebody has torch syndrome?
Definition
The brain
Term
Give examples of how the brain is affected with torch syndrome?
Definition
Mental retardation, microcephaly, hydrocephalus(dilation of the lateral ventricles), microphthalmia, chorioretinitis(calcifications), and cataracts
Term
Give eight characteristics of down’s syndrome?
Definition
Mental retardation, simian crease, wide gap between first and second toes, caused by trisomy 21, gaping mouth and a large tongue, heart disease, intestinal defects unique facial features, eye abnormalities
Term
What is the karyotype of somebody with Turner syndrome?
Definition
XO
Term
What is this phenotype of somebody with Turner syndrome?
Definition
Short stature, women, heart shaped face, webbing of the neck, heart disease, broad chest with wide nipples, cubitus valgus, street ovaries, hypoplastic uterus, and amenorrhea
Term
What is the karyotype for Klinefelter syndrome?
Definition
XXY
Term
What is the phenotype of somebody with Klinefelter syndrome?
Definition
tall, long arms and legs, lack of beard, body hair, pubic hair, gynecomastia, female like hips, testicular atrophy, infertility, mainly seen in men
Term
What tissue is defective in Marfan's syndrome?
Definition
Connective tissue
Term
What is the main cause of death in someone who has Marfan's syndrome?
Definition
Cardiac usually from a ruptured aneurysm or floppy mitral valve
Term
What is this phenotype of someone with Marfan's syndrome?
Definition
Elongated head, eye abnormalities aortic aneurysm with dissection and exsanguination, floppy mitral valve, vertebral deformity, long fingers(arachnodactyly)
Term
What is the defect and cystic fibrosis?
Definition
Defect in the chloride channel
Term
What type of issues might someone with cystic fibrosis have?
Definition
Pancreatitis, recurrent pulmonary infection, meconium ileus(no first bowel), abnormal sweat(have chloride and sweat), malabsorption of lipids, steatorrhea
Term
What is the usual cause of death in someone who has cystic fibrosis?
Definition
Complication from pulmonary infection due to fibrosis
Term
What is the age for sudden infant death syndrome, which is the most common cause of death in infants beyond the immediate neonatal period?
Definition
Older than two months younger than nine months
Term
What is the cause of sudden infant death syndrome?
Definition
Not known but related to hypoxia
Term
All cells of the immune system originate where?
Definition
In the bone marrow
Term
What do lymphocytes include?
Definition
T Cells and B. cells
Term
Where do T. lymphocytes mature?
Definition
In the thymus
Term
The cells help B. cells produce antibodies?
Definition
T. helper cells or CD4 cells
Term
The cells suppress unwanted antibody production and mediates killing of virus-infected cells or tumor cells?
Definition
T. suppressor cells/cytotoxic cells CD8
Term
Which cells need to be sensitized with MHC?
Definition
CD8 cells
Term
These cells react against virus-infected cells and kills tumor cells without prior sensitization?
Definition
Natural killer cells
Term
These cells are trying to differentiate into IG producing plasma cells?
Definition
B. lymphocytes
Term
What are plasma cells?
Definition
Fully differentiated descendents of B. cells and have an abundance of ribosome due to their extensive ig production.
Term
What is the function of the macrophages?
Definition
Phagocytosis, they present antigens, it can stimulate interleukin
Term
Name the five antibodies?
Definition
igm, IgG, IGA, IGE, IGD
Term
This is the smallest but most abundant, acts as inopsonin, crosses the placenta, production is small after immunization or production increases on second exposure?
Definition
IgG
Term
This antibody has five subunits and is the largest, it functions to neutralize organisms and activates the complement system, it is also the first IG to appear after immunization?
Definition
IgM
Term
Found in the mucosal secretions, it carries a secretory piece that protects the IG when it is secreted into the intestines?
Definition
IgA
Term
Present in trace amounts attached and mast cells and mediates allergic reactions?
Definition
IgE
Term
Cell membrane-bound IG found on B. cells, part of the antigen receptor and B. cells?
Definition
IgD
Term
What is the result of a type I hypersensitivity reaction?
Definition
Anaphylactic
Term
What happens in a type I hypersensitivity reaction?
Definition
You get exposed to an allergen and your immune system is IGE against it. The allergen goes away. Sensitization to the mast cells upon second exposure. The IGE attaches to the mast cells and the allergen and floats around the system and causes degranulation of the mast cell and mast cell releases histamine.
Term
Name for diseases caused by type I hypersensitivity reactions?
Definition
Hayfever, asthma, atopic dermatitis like eczema, and anaphylactic shock
Term
A type II hypersensitivity reaction is caused by?
Definition
cytoxic antibody mediated
Term
What happens in a type II hypersensitivity reaction?
Definition
Cytotoxic antibodies produced by your own system react with your own tissues and cause cell lysis because that recognizes tissue is foreign. It is mediated by IgG or IgM informs AG -- AB complexes which activate the complement system
Term
Identify for diseases that would be considered type II hypersensitivity reactions?
Definition
Hemolytic anemia where the red blood cells are recognized as foreign, Goodpaster syndrome show along pulmonary changes, Graves' disease which is hyperthyroidism, Myasthenia Gravis in which antibodies attach to the ACH causing paralysis of the smooth muscles. These are all autoimmune diseases.
Term
A type III hypersensitivity reaction is mediated by what?
Definition
Immune complex mediated
Term
What happens in a type III hypersensitivity reaction?
Definition
In overproduction of antibodies and then you produce a high amount of immune complexes which deposit themselves in the tissues. They activate the complement system or initiate localized inflammatory response
Term
Give examples of a type III hypersensitivity reaction?
Definition
Systemic lupus erythmatosus, post streptococcal glomerulonephritis, polyarteritis nodosa (antibodies deposit themselves in the vessel walls)
Term
A type IV hypersensitivity reaction is mediated by?
Definition
Cell mediated and it's a delayed hypersensitivity reaction
Term
Because a type IV hypersensitivity reaction is mediated by cells, what happens?
Definition
Formation of granulomas
Term
Give examples of diseases caused by type IV hypersensitivity reactions?
Definition
Tuberculosis and contact dermatitis
Term
Even though type IV hypersensitivity reactions involve the formation of granulomas is there any situation in which there would be no formation of granulomas?
Definition
No granulomas and contact dermatitis
Term
What is a xenograft?
Definition
A transplantation between animals of different species
Term
What is an isograft?
Definition
A transplantation between genetically identical individuals of the same species
Term
What is an autograft?
Definition
Patient serves as both the donor and recipient
Term
What is a Homograft or an allograft?
Definition
A transplantation between individuals of the seen species
Term
Before allografting, what type of histocompatibility tests are using?
Definition
Looking for HLA antigens
Term
What happens graft versus host reaction?
Definition
It is mediated by transplanted T. lymphocytes and is most often a complication of a bone marrow transplant. It can affect the skin giving you exfoliative dermatitis, the intestines causing malabsorption and diarrhea, and the liver causing jaundice
Term
What is the basic defect from systemic lupus?
Definition
It is a malfunction of suppressor T cells which allows polyclonal activation of B. cells
Term
What are the antibodies produced with systemic lupus?
Definition
Anti-nuclear antibodies or ANA
Term
What type of hypersensitivity reaction is systemic lupus?
Definition
It's a type III hypersensitivity reaction
Term
Systemic lupus can happen anywhere in the body but we're does it most likely occur?
Definition
The glomerular basement membrane, synovial membranes of joints, the pleura and peritoneum, endocardium which is the heart valves, Raynaud's phenomenon, and butterfly rash on the face
Term
What two things occur with systemic lupus?
Definition
Activation of the complement system with inflammatory response
Term
List several things about benign tumors?
Definition
They grow slow and expensive, they do not metastasize, they resemble normal tissue, they're well differentiated their of normal size and shape and uniform, and very few cells undergo mitosis
Term
Identify several things about malignant tumors?
Definition
Their growth is fast and invasive, they do metastasize they do not resemble normal tissue (anaplasia), they are poorly differentiated in many of the cells go through mitosis
Term
Tumor cells may acquire embryonic/fetal features. Give two examples?
Definition
Liver cells produce AFA
Term
List four types of transformations of proto-oncogenes into oncogenes?
Definition
Point mutation, gene amplification, chromosomal rearrangement, insertion of viral oncogenes
Term
Cell acquires and increased number of proto-oncogene?
Definition
Gene amplification
Term
Get juxtaposition of genes that normally wouldn't be close to each other. They get a promoter next to a proto-oncogene?
Definition
Chromosomal rearrangement
Term
It's a single based substitution in the DNA?
Definition
mutation
Term
Disruption of normal chromosomal architecture and end up with genetic dysregulation?
Definition
Insertion of viral oncogene
Term
Tumor suppressor genes protect the cells against activated or newly acquired oncogenes. Which tumor suppressor gene acts as both a tumor suppressor gene and oncogene?
Definition
P. 53
Term
Which tumor suppressor gene only acts as a tumor suppressor gene?
Definition
Retinoblastoma gene Rb-1
Term
What is edema?
Definition
Excess fluid in the interstitial spaces and/or body cavities
Term
Edema can be either generalized or localized. If it is localized, how is it named and if it is generalized, what is a called?
Definition
Localized is named by the organ, generalized is called anasarca
Term
What are the two forms of edema?
Definition
transudate and exudate
Term
What happens in hydrostatic pressure HTN?
Definition
Hypertension causes venous stagnation which increases intravascular pressure and pushes fluid out of the venous side
Term
What is oncotic edema?
Definition
It's caused by a reduction and osmotic pressure of plasma and is a consequence of hypoalbumenia, which is produced by the liver so a lack of production of albumin is seen in patients with the cirrhosis
Term
What is inflammatory edema?
Definition
Fluid leaks of the vessel wall due to increased permeability and hyperemia
Term
Is the circulatory system an opened or closed system?
Definition
Closed
Term
Name four possible outcomes for thrombus?
Definition
Lysis and resolution (thrombus breaks up resolves), organization (forms granulation tissue), recanalization (makes channels for some blood flow), embolism
Term
embolism is a
Definition
freely movable, intravascular mass that is carried from one anatomic site to another by blood
Term
Thromboemboli
Definition
s the most common form of embolism in which fragments of the thrombi are carried by venous or arterial blood?
Term
name two types of liquid emboli?
Definition
1. Fat emboli (from fractured long bones)
2. Amniotic fluid (during delivery)
Term
Gaseous emboli
Definition
caused from air injection or caisson disease?
Term
made of cholesterol crystals, bone marrow, or tumor emboli?
Definition
Solid particle emboli
Term
What is a complication of a venous emboli?
Definition
Pulmonary embolism
Term
This type of pulmonary embolism can cause a saddle emboli which totally includes the pulmonary artery and leads to acute anoxia and possibly death because no blood enters along?
Definition
Large embolus
Term
These embolus lodge into minor branches of the artery and causes infarcts?
Definition
Smaller embolus
Term
What is the shape of the pulmonary infarct that occurs from a small embolus?
Definition
Triangular
Term
What is the most common form of congenital defect of the heart?
Definition
Ventricular septal defect
Term
Does a ventricular septal defect shunt from left to right or right to left at first?
Definition
Left to right
Term
What are the four complications of tetralogy of fallot?
Definition
Overriding aorta, pulmonary stenosis, right ventricular hypertrophy, and a ventricular septal defect
Term
If somebody has the trilogy of fallot a day cyanotic or acyanotic and why?
Definition
They are cyanotic because the ventricular defect shunts from right to left, so the deoxygenated blood is going throughout the body
Term
Give me three examples of the skin hemorrhage?
Definition
Petechia, ecchymosis, Purpura
Term
Define hemoptysis?
Definition
Respiratory tract with expectoration
Term
Define hematomesis?
Definition
Vomiting blood
Term
Define hematochezia?
Definition
Anorectal bleeding which is bright red
Term
Define Melena?
Definition
Black, discolored blood in the stool, typically a complication of gastric ulcer
Term
Define hematuria?
Definition
Blood in the urine
Term
Define metrorrhagia?
Definition
Abnormal uterovaginal bleeding, which can lead to an iron deficiency anemia
Term
What are the steps to atherosclerosis?
Definition
The endothelial cell injury, buildup of LDL cholesterol, macrophages (foam cells), proliferation of the smooth muscle cells, fibrous cap (no clot), when the cap ruptures you get a thrombus.
Term
Name three complications myocardial infarction?
Definition
You get a thrombus and the myocardial wall, an aneurysm in the myocardial wall, or rupture
Term
What is a complication from a thrombus of the myocardium?
Definition
Embolism
Term
What is a complication of an aneurysm of the heart?
Definition
Rupture which can lead to hemopericardia or cardiac tampanaud, or turbulent blood flow which will lead to the formation of a clot.
Term
What is the cause of primary hypertension?
Definition
90% unknown cause
Term
Name two causes of secondary hypertension?
Definition
Atherosclerosis of the renal artery causes decreased blood flow to the kidney, which increases the production of rennin. And endocrine pheochromocytoma
Term
Name five complications of hypertension?
Definition
Stroke, hypertensive retinopathy, cardiac hypertrophy, hypertensive nephropathy, accelerated atherosclerosis
Term
How is anemia classified?
Definition
Size and color
Term
What is the morphology of dilutional anemia?
Definition
normocytic, normochromic (caused by lower levels of RBC’s due to a high level of plasma)
Term
What is the morphology of iron deficiency anemia?
Definition
microcytic, hypochromic (due to bleeding, iron deficiency)
Term
What is the morphology of megaloblastic anemia?
Definition
macrocytic, normochromic
Term
What is the cause of megaloblastic anemia?
Definition
Deficiency of vitamin B12 and/or folic acid
Term
List three causes of vitamin B12 deficiency?
Definition
Pernicious anemia, lack of the gastric intrinsic factor, atrophic gastritis
Term
List two causes for folic acid deficiency?
Definition
Inadequate intake or by malabsorption
Term
Who tends to suffer from folic acid deficiency?
Definition
Pregnant women
Term
Name three anemias characterized by abnormal red blood shapes?
Definition
elliptocytosis, spherocytosis, sickle cell anemia
Term
What is the most common form of anemia?
Definition
Iron deficiency anemia
Term
Name some symptoms of anemia?
Definition
Fatigue, pale, delayed capillary reflexes
Term
Name three causes of hemolytic anemia?
Definition
Hemolysis, intra-corpuscular defects or structural defects (sickle cell anemia thalassemia, or hereditary spherocytosis), extra corpuscular defects from antibodies infectious agents or mechanical factors (transfusion reaction, malaria, cardiac valve prosthesis, DIC)
Term
We sickle cell anemia what is substituted by what?
Definition
Glutamic acid is substituted by valine
Term
What causes this substitution of glutamic acid by valine and sickle cell anemia?
Definition
A synthesis of and abnormal beta chain of globin.
Term
Sickle cell anemia is most common in blacks and has multiple infarcts in various organs. Name some of these infarcts?
Definition
autosplenectomy, sharp pain in the bones, retinal infarcts, neurological defects
Term
Those with sickle cell anemia tend to have hyperbilirubinemia and jaundice from bile stones.. Why?
Definition
The spleen recycles hemoglobin and because the spleen is nonfunctional, bile goes through the system.
Term
What is the most common form of leukemia in children?
Definition
Acute lymphoblastic leukemia
Term
What is the most common form of leukemia in adults?
Definition
Acute myelogenous leukemia
Term
What happens in acute lymphoblastic leukemia?
Definition
Massive infiltration of the bone marrow and peripheral blood which immature lymphoid cells (blasts)
Term
Name three manifestations of acute lymphoblastic leukemia and explain why?
Definition
Recurrent infections (due to immature lymphoid cells), generalized weakness and bleeding (due to overproduction of the blast cells causing lower production of red blood cells)
Term
What is acute myelogenous leukemia?
Definition
Clonal proliferation of myoblasts in the bone marrow
Term
What type of cells are present in Hodgkin's lymphoma?
Definition
Reed Sternberg cells
Term
What is the number one symptom of a Hodgkin's lymphoma?
Definition
Swollen lymph nodes
Term
Is there any leukemic or extranodal spread into the blood with Hodgkin's lymphoma?
Definition
No
Term
What is hemophilia?
Definition
It is a sex linked congenital clotting factor deficiency..
Term
A deficiency of factor IX is?
Definition
Hemophilia B.
Term
A deficiency in factor VIII is?
Definition
Hemophilia A
Term
People who have hemophilia have?
Definition
Uncontrollable bleeding following trauma, subcutaneous hematomas or hemarthrosis
Term
What is an acute and possibly life threatening infection of the larynx . It is a disease that is most common in children younger than three?
Definition
croup
Term
What is the cause of croup?
Definition
Parainfluenza virus
Term
What is the key feature of croup?
Definition
Barking cough
Term
What is the cause of epiglottitis?
Definition
What is the cause of epiglottitis?
Term
What is the peak incidence in epiglottitis?
Definition
School aged children and adolescents
Term
Identify four symptoms of epiglottitis?
Definition
Sudden loss of voice, hoarseness, throat pain, Cherry red epiglottis
Term
What is the number one cause of pneumonia?
Definition
A bacteria called streptococcus pneumoniae
Term
Name an opportunistic infection is common in patients with AIDS?
Definition
Pneumocystis Carinii
Term
What is unique about atypical pneumonia?
Definition
Milder symptoms with less fever and chills
Term
Name two examples of atypical pneumonia?
Definition
Mycoplasma pneumoniae (walking pneumonia), pneumocystis Carinii
Term
Primary TB involves what?
Definition
The Ghon complex
Term
What are two features of the Ghon complex?
Definition
One granuloma, lymphadenopathy (swollen lymph)
Term
We a secondary pulmonary tuberculosis, what happens?
Definition
Develops due to reactivation of dormant infection, there bacteria spreads to the apex of the lungs and causes granulomatous lobar pneumonia, involves many granulomatous
Term
List three symptoms of secondary TB?
Definition
Night sweats, hemoptysis, fever
Term
Spread a bacteria from air spaces producing a massive lobar pneumonia. Can involve the same long or the contralateral one?
Definition
TB pneumonia
Term
TB gets to the larynx and if swallowed can cause G. TB in the small intestines?
Definition
Extrapulmonary TB
Term
Widespread seeding of bacteria in the lungs or other organs causing the formation of many small granulomatous?
Definition
Miliary TB
Term
Infection spreads to the pleura and is accompanied by pleural effusion and formation of granulomas in the pleura?
Definition
pleuritis
Term
What occurs in the center of the Ghon complex?
Definition
Caseous necrosis
Term
Miliary TB, TB pneumonia, pleuritis, and extrapulmonary TB are all examples of?
Definition
Secondary TB extrapulmonary dissemination(spread)
Term
Define emphysema?
Definition
Enlargement of the air spaces distal to the terminal bronchioles with the structuring of alveolar walls.
Term
List two causes of emphysema?
Definition
Cigarette smoking, alpha-1 anti-trypsin deficiency
Term
Name two types of emphysema?
Definition
Centrilobular and panicinar
Term
Define centrilobular emphysema?
Definition
Widening of the air spaces in the center of the lobby all (found in smokers)
Term
Define panacinar emphysema?
Definition
Involves all the air spaces distal to the terminal bronchioles (occurs with alpha-1 deficiency)
Term
Incomplete expansion or collapse of a lung can be referred to as?
Definition
atelectasis
Term
In atelectasis, compression of the lung can be referred to as?
Definition
Hydro thorax
Term
In atelectasis, and obstruction can be referred to as?
Definition
Tumor
Term
In atelectasis, collapse can be referred to as?
Definition
Pneumothorax
Term
What is atresia?
Definition
A congenital defect in which the esophagus and the blind pouch. It can form a fistula, where the esophagus attaches to the trachea
Term
What is achalasia?
Definition
Stenosis of the distal end of the esophagus
Term
Name two types of hiatal hernias?
Definition
Sliding and peraesophageal
Term
What happens in a para-esophageal hiatal hernia?
Definition
A portion of the stomach protrudes through the diaphragm
Term
What happens in a sliding hiatal hernia?
Definition
The gastroesophageal junction and a portion of the stomach protrudes up through the diaphragm
Term
What are 3 causes of carcinomas of the esophagus?
Definition
Alcohol and tobacco use and uncontrolled reflux
Term
What type of carcinoma is related to alcohol and tobacco?
Definition
Squamous cell carcinoma
Term
What type of carcinomas related to GERD?
Definition
Adenocarcinoma
Term
How does somebody get adenocarcinoma from GERD?
Definition
The acid reflux changes the squamous cells through metaplasia to columnar cells (which is called Barrett's esophagus), and these changes continue until it eventually turns into adenocarcinoma
Term
True or false, peptic ulcer only refers to the stomach?
Definition
False
Term
Name three contributing factors to peptic ulcer?
Definition
Gastric juice, mucosal barrier defects, Helicobacter pylori
Term
Name the complications of peptic ulcer disease?
Definition
Hemorrhage(most common) such as hematomesis and Melena (which will lead to iron deficiency), penetration in the pancreas(causing acute pancreatitis), perforation(causing peritonitis), Cicatrization which is scarring (causing stenosis)
Term
What are I'll pouches of the wall of the colon called?
Definition
Diverticulosis
Term
List complications of diverticulosis?
Definition
Fistula, rupture, bleeding, fibrosis, abscess
Term
True false, both Crohn's disease and ulcerative colitis is hereditary?
Definition
True
Term
Which disease has these features: segmental including Ilium, transmural, granuloma, fistula, cancer?
Definition
Crohn's disease
Term
Which disease has these features: diffuse, involving only the colon, megacolon, high risk of cancer?
Definition
Term
Where is this diarrhea coming from: small amount, mucoid in appearance, has blood, presence of leukocytes?
Definition
Large intestinal diarrhea
Term
Tell me what the volume, appearance, and blood would look like if the diarrhea was coming from the small intestines?
Definition
Large volume, watery stool, but blood is rare
Term
Define and intestinal obstruction by hernia?
Definition
Outward protrusion of the intestines through the muscle wall.
Term
Define intestinal structures by intussusception?
Definition
Telescoping one section of the intestines into another
Term
Define volvulus?
Definition
Twisting of the small intestines
Term
Name two causes of malabsorption resulting from defective uptake of nutrients?
Definition
Celiac Sprue (glutin insensitivity) and tropical sprue (caused by an infectious agent).
Term
What does celiac sprue and tropical sprue due to cause malabsorption?
Definition
Blunting of the intestinal villi
Term
What is the major cause of pre-hepatic jaundice?
Definition
Hemolysis
Term
What causes somebody to become jaundice?
Definition
Hemoglobin is metabolized into bilirubin
Term
Name five types of hepatic jaundice?
Definition
Viral and chronic hepatitis, drug and alcohol induced liver disease, cirrhosis
Term
Viral and chronic hepatitis, drug and alcohol induced liver disease, cirrhosis
Definition
Anything that will cause an obstruction into the biliary tree, such as gallstones in the bile ducts, carcinomas of the head of the pancreas, common bile duct, or of the gallbladder
Term
What is the cause of hepatitis B & C?
Definition
Blood-borne/sexually-transmitted
Term
What is cirrhosis and what is the cause from?
Definition
Fibrotic tissue replacing normal tissue and it is caused from alcohol, drugs, hepatitis
Term
What are some of the clinical features of cirrhosis?
Definition
Ascites, splenomegaly, anastomosis between portal and systemic circulation, such as hemorrhoids, esophageal varices, caput medusae
Term
Why is bleeding tendency causing reduced clotting factors and thrombocytopenia a problem with cirrhosis?
Definition
Because the liver produces the blood
Term
What is the result of esophageal varices and cirrhosis?
Definition
Hematomesis and exsanguination
Term
What causes spider nevi, Palmar erythema, gynecomastia, and testicular atrophy in people with cirrhosis?
Definition
Hyperestrinism
Term
What causes hepatic encephalopathy in people who have cirrhosis of the liver?
Definition
Increased levels of ammonia
Term
Name three hereditary liver diseases?
Definition
Hemochromatosis (excess iron), Wilson 's disease (excess of copper), alpha-1 antitrypsin deficiency
Term
Name 3 immune disorders that affect the liver?
Definition
Immune hepatitis, primary biliary cirrhosis, primary sclerosing cholangitis
Term
Who gets autoimmune hepatitis and what are their antibodies in serum?
Definition
Young women/anti-nuclear antibodies and anti-smooth muscle
Term
Who gets primary biliary cirrhosis and what are their antibodies?
Definition
Middle aged women chronic jaundice and hypercholesterolemia and they have anti-mitochondrial antibodies
Term
Who gets primary sclerosing cholangitis, whats it associated with, what type of antibodies?
Definition
Men under 40, ulcerative colitis, no specific antibodies
Term
What are the three most common causes of acute pancreatitis?
Definition
Alcohol, bile stones, unknown
Term
What are some of the complications of acute pancreatitis?
Definition
Pseudo cyst, shock, ascites, sterile peritonitis, abscess formation, fat necrosis, calcification, hypocalcemia
Term
Insulinoma and gastronoma are tumors of?
Definition
Endocrine pancreas (islet cell tumors)
Term
What happens when somebody has an insulinoma?
Definition
They have too much insulin and become hypoglycemic
Term
What will somebody get if they have a gastrinoma?
Definition
Zollinger-Ellison syndrome (Jujenal ulcer)

Zollinger-Ellison syndrome (Jujenal ulcer)
Term
What happens in type I diabetes?
Definition
Antibody production of beta islet cells, which causes hypoinsulinism
Term
Listed three causes of type II diabetes?
Definition
Normal insulin production but glucose is too great from over eating. The body makes enough insulin blood is not functional, tissues or not respond to insulin stimulation.
Term
Which diabetes is this: under 30, acute onset, normal body build, not hereditary, not common in twins, have anybody is to islet cells, loss of beta cells,low insulin level, must treat with insulin?
Definition
Type I diabetes
Term
List four complications of diabetes mellitus:
Definition
cardiovascular(atherosclerosis), kidney (glomerulosclerosis), eye (retinopathy), nervous system (cerebrovascular disease, peripheral neuropathy)
Term
List two conditions from pituitary hypo function?
Definition
Pituitary dwarfism and Sheehan’s syndrome
Term
What is Sheehans’s Syndrome?
Definition
Acute postpartum pituitary insufficiency
Term
What is diabetes insipidus?
Definition
A disease of the posterior pituitary gland
Term
Name two types of diabetes insipidus?
Definition
Central and nephrogenic
Term
What is central diabetes insipidus?
Definition
A lack of ADH
Term
What is nephrogenic diabetes insipidus?
Definition
The body produces enough ADH but the kidneys are not responding
Term
What is the number one symptom of diabetes insipidus?
Definition
Polyuria
Term
What is Graves' disease?
Definition
Autoimmune disease causing hyperthyroidism. IgG connects to TSH receptor and constantly produces TSH producing T3 & T4 cells. (graves' disease is a form of hyperthyroidism that typ. develops in women who have autoantibodies to thyroid-stimulating hormone TSH receptor on the surface of their own follicular cells of the thyroid)
Term
What features I describing: thin hair, exopthalmos, tachycardia,
Diarrhea, weight loss pre-tibial edema, hot?
Definition
Hyperthyroidism
Term
What disease in my describing?
Definition
Loss of hair coarse and brittle, periorbital edema, bradycardia, constipation, edema of the extremities, cold?
Hypothyroidism
Term
What is a developmental disorder causing hypothyroidism, due to aplasia of the thyroid?
Definition
Congenital cretinism
Term
What is Hashimoto's disease?
Definition
Is autoimmune destruction of the thyroid by lymphocytes (hypothyroidism)
Term
Name three causes of Cushing's syndrome?
Definition
Adrenal adenoma, adrenal carcinoma, and exogenous cortisol(too much cortisol)
Term
is Cushing's disease or Cushing's syndrome related to the manifestations?
Definition
Cushing's syndrome
Term
What are the causes of Cushing's disease?
Definition
A pituitary adenoma or a lung tumor tells the adrenals to produce ACTH causing adrenal hyperplasia, resulting in Cushing's disease. The adrenals are normal
Term
What are the features of somebody with Cushing's syndrome?
Definition
Moon face, buffalo hump, obese, easy bruising, purple striae, trunkal obesity, facial hair
Term
What's more common Cushing's syndrome or Cushing's disease?
Definition
Cushing's syndrome
Term
Name two tumors of the adrenal medulla?
Definition
Neuroblastoma(seen in children and usually malignant), pheochromocytoma (seen in adults and mostly benign)
Term
When would a tumor of the adrenal medulla be suspected?
Definition
Somebody has acute uncontrollable hypertension
Term
What is found in the urine of somebody who has a tumor of the adrenal medulla?
Definition
VMA
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