Term
What kind of blood is in the right atrium? |
|
Definition
|
|
Term
What are the different parts of the digestive tract where digestion occurs? |
|
Definition
Liver, Pancreas, Lining of intestine. |
|
|
Term
What are the four stages of food processing? |
|
Definition
Ingestion, digestion, absorption, excretion |
|
|
Term
Where does absorption occur? |
|
Definition
|
|
Term
What gets absorbed in the small intestine? |
|
Definition
Building blocks, water, vitamins and minerals in the blood stream. Look up more on this |
|
|
Term
What's the order of things in the small intestine? |
|
Definition
|
|
Term
order of things in the large intestine? |
|
Definition
|
|
Term
|
Definition
|
|
Term
what does the gall bladder do? |
|
Definition
|
|
Term
what does the pancreas do? |
|
Definition
secretes enzyme solution to neutralize acid in the chyme, which in turn shuts off pepsin digestine, so your small intestine doesn't get eaten. |
|
|
Term
|
Definition
finger folds on small intestine |
|
|
Term
Where does protein digestion take place? |
|
Definition
|
|
Term
What is the pulmonary circulatory system for? |
|
Definition
Gas exchange with the lungs. Low Pressure. Right side. |
|
|
Term
What type of blood is carried by pulmonary arteries? |
|
Definition
|
|
Term
What is the systemic circulatory system for? |
|
Definition
provides nutrients for the body. Brings oxygen, gets rid of CO2 |
|
|
Term
What is the function of capillaries? |
|
Definition
beds that connect arteries and veins. Thin, so materials can easily be exchanged. |
|
|
Term
Where is the pyloric sphincter? |
|
Definition
between stomach and duodenum |
|
|
Term
What/where is precipillary sphincter? |
|
Definition
adjusts blood flow in each capillary |
|
|
Term
Where are the semilunar valves? |
|
Definition
|
|
Term
tricuspid, bicuspid? Where? |
|
Definition
|
|
Term
|
Definition
build up of fatty plaque in arteries. Reduces amount of blood getting to body. |
|
|
Term
How does atherosclerosis contribute to myocardial infarctions? |
|
Definition
Plaque clogs arteries which causes blood clots to form, which in turn creates PLUGS in the arteries. |
|
|
Term
|
Definition
blood can't get to the head. Due to either a blockage or rupture in an artery. |
|
|
Term
Why is blood pressure only measured in arteries? |
|
Definition
this is the only place pressure exists |
|
|
Term
How does blood pressure return through veins? |
|
Definition
|
|
Term
What is systolic pressure? |
|
Definition
high pressure, contracts. 110 |
|
|
Term
what is diastolic pressure? |
|
Definition
|
|
Term
Name, structure and function of all parts of respiratory system |
|
Definition
|
|
Term
Why are there cartilage rings in most tubes? |
|
Definition
To keep tubes from collapsing |
|
|
Term
|
Definition
area shared by esophagus and trachea |
|
|
Term
What is negative pressure? |
|
Definition
space between lungs and diaphragm increases. causing inhalation |
|
|
Term
What does a drop in negative pressure indicate? |
|
Definition
|
|
Term
How and where is oxygen picked up by blood? |
|
Definition
Each molecule of hemoglobin can get 4 oxygen molecules. Hemoglobin releases oxygen to tissues that need it. pH sensitive |
|
|
Term
Where is CO2 picked up by blood?
|
|
Definition
diffuses out of tissues into our blood. |
|
|
Term
How many different ways is CO2 transported, and what are they? |
|
Definition
disolves in liquid plasma, binds to hemoglobin in red blood cells, but MOST enters red blood cells |
|
|
Term
What happens once majority of red blood cells have CO2 enter them? |
|
Definition
reaction which donates hydrogen ions (acid) and HCO. Hemoglobin combines with these to keep our blood from being too acidic. |
|
|
Term
How does hemoglobin know to release oxyen to tissues that need it? |
|
Definition
|
|
Term
Why does fetal hemoglobin need to be different than adult hemoglobin? |
|
Definition
embryo is in a low oxygen area |
|
|
Term
Where does fetal hemoglibin dump off its load of CO2, and pick up oxygen? LOOK UP MORE |
|
Definition
|
|
Term
What is the definition of a hormone? |
|
Definition
a chemical made by glands in the body. |
|
|
Term
What are the two classes of hormones? |
|
Definition
steroids and non-steroids |
|
|
Term
|
Definition
hydrophobic. Diffuses into all cells. Binds to receptors inside the cell nucleus. |
|
|
Term
|
Definition
hydrophillic, binds to receptors inside the membrane. Water soluble. |
|
|
Term
What are the 3 types of water soluble hormones? |
|
Definition
amines, peptides and proteins |
|
|
Term
How do steroid hormones affect the physiology of target cells? |
|
Definition
|
|
Term
How do non-steroid hormones affect the physiology of target cells? |
|
Definition
turn gene promoters/enhancers on or off, open and close membrane channels |
|
|
Term
What is the role of the posterior pituitary? |
|
Definition
Stores and secretes two hormones made in the hypothalamus. |
|
|
Term
What are the two hormones stored in the posterior pituitary? |
|
Definition
oxytocin-uterine contractions and ADH |
|
|
Term
What type of hormones regulate the production of each of the anterior pituitary hormones? |
|
Definition
releasing hormones of hypothalamus |
|
|
Term
what produces the hormones that regulate the anterior pituitary? |
|
Definition
|
|
Term
How do the hypothalamus and anterior pituitary regulate other endocrine glands? |
|
Definition
Hypothalamus releases TRH which tells anterior pituitary to release TSH, which stimulates the thyroid, which produces thyroxin...LOOK UP MORE. |
|
|
Term
What endocrine gland responds to the stimulus of elevated levels of calcium ions? |
|
Definition
|
|
Term
what hormone is released by the thyroid to lower calcium ions? |
|
Definition
|
|
Term
what are the target organs of calcitonin, and what affects does it have on them? |
|
Definition
bones, kidneys and intestines. |
|
|
Term
What endocrine gland responds to the stimulus of falling leels of calcium ions? |
|
Definition
|
|
Term
What hormone is released by the parathyroid to raise calcium ions in the blood? |
|
Definition
|
|
Term
|
Definition
bones, increases uptake in kidneys and intestines. Raises calcium ion level. a LITTLE more on this. |
|
|
Term
what is the name of the cells of the pancreas that are endocrine in nature? |
|
Definition
|
|
Term
what exocine function is the pancreas involved in? |
|
Definition
digestive tract. Stuff goes through it even though it's still outside the body. |
|
|
Term
What do alpha cells produce? |
|
Definition
|
|
Term
What do beta cells produce? |
|
Definition
|
|
Term
How do antagonistic hormones produced by alpha and beta cells affect our bodies? |
|
Definition
To maintain homeostasis. increased blood glucose levels stimulate beta cells, so they produce insulin. Dropping glucose stimulates alpha cells, so they produce glucagons. |
|
|
Term
What happens when blood glucose is too high? |
|
Definition
|
|
Term
What happens when blood glucose is too low? |
|
Definition
|
|
Term
What is the normal concentration of glucose in the blood? |
|
Definition
|
|
Term
|
Definition
1. insulin dependent. autoimmune. Body attacks beta cells 2. most. cells don't respond to insulin, or there are low levels, or both. This means ATP can't be made. |
|
|
Term
What hormone regulates kidney function? |
|
Definition
|
|
Term
What endocrine gland produces ADH? |
|
Definition
|
|
Term
When would there be a too high concentration of ADH? |
|
Definition
|
|
Term
when would there be a too low concentration of ADH? |
|
Definition
|
|
Term
Why does drinking alcohol tend to dehydrate you? |
|
Definition
because it shuts down ADH production and release. Dillutes pee. |
|
|
Term
What specific part of a testis produces androgens? |
|
Definition
interstitial, leydus cells |
|
|
Term
What specific part of a testis is responsible for spermatogenesis?? |
|
Definition
Semniferous tubule--LOOK UP more. |
|
|
Term
What type of cell division is responsible for spermatogenesis? |
|
Definition
|
|
Term
What is GnRH role in males? |
|
Definition
From hypothalamus, talks to anterior pituitary about releasing hormones |
|
|
Term
What is FSH role in males? |
|
Definition
targets tubules. Keeps sperm production going. Anterior pituitary |
|
|
Term
What does LH do in males? |
|
Definition
Turns on interstitial cells. It's in anterior pituitary |
|
|
Term
What do androgens do in males? |
|
Definition
provide negative feedback to hypothalamus. in the testes |
|
|
Term
What is the role of GnRH in females? |
|
Definition
Targets anterior pituitary |
|
|
Term
What is the role of FSH in females? |
|
Definition
Targets ovaries and stimulates follicles. In the anterior pituitary |
|
|
Term
What is the role of LH in females? |
|
Definition
surges and causes follicle to rupture. In anterior pituitary |
|
|
Term
What is the role of estrogen? |
|
Definition
high levels turn hypothalamus on full best. Creates positive feedback loop, causing a SURGE of GnRH then too much LH then ovulation. Occurs in ovary. |
|
|
Term
What is the role of progesterone? |
|
Definition
shuts down hypothalamus and anterior pituitary. Negative feedback loop. Ovary |
|
|
Term
What causes endometrial lining to thicken? |
|
Definition
|
|
Term
What is the function of the corpus luteum |
|
Definition
Produces lots of progesterone. |
|
|
Term
What happens when corpus luteum dies? |
|
Definition
estrogen and progesterone aren't being produced anymore, so system shuts off. lining sloughed off |
|
|
Term
What hormone maintains corpus luteum? |
|
Definition
|
|
Term
|
Definition
|
|
Term
what is done in the liver? |
|
Definition
bile production and conversion of amino acids to urea |
|
|
Term
What are the four functions of the excretory system? |
|
Definition
filtration of blood, reaborption-active transport sugars and salts, osmosis- secretion-drugs toxins actively transport here- excretion-urination. |
|
|
Term
what side of the heart is pulmonary artery in? |
|
Definition
|
|
Term
what side of the heart are pulmonary veins in? coming from where? |
|
Definition
left side, coming from lungs. |
|
|
Term
Where is fetal blood oxygenated? |
|
Definition
|
|
Term
What is the ductus arteriosus? |
|
Definition
vlood diverted out of pulmonary artery and into the aorta through this. |
|
|
Term
What and where is adrenal hormone? |
|
Definition
head of kidney. fight or flight |
|
|
Term
Where is the temporary opening in a fetal heart? |
|
Definition
between the left and right atria. called Foramen ovule |
|
|
Term
what does the pulmonary artery do? |
|
Definition
brings blood out of right ventricle of heart. |
|
|
Term
what does pulmonary vein do? |
|
Definition
takes blood to the left atrium |
|
|
Term
Where does fetal hemoglobin drop off co2 and pick up oxygen? |
|
Definition
|
|
Term
what type of blood is in the inferior vena cava with a fetus |
|
Definition
|
|
Term
what type of blood is in the umbilical vein of fetus? |
|
Definition
|
|
Term
fetus umbillical arteries? |
|
Definition
|
|
Term
what does ductus arteriosis do? |
|
Definition
connects pulmonary trunk to aortic arch |
|
|
Term
what is it reabsorbed by? |
|
Definition
|
|
Term
|
Definition
sugars, salts and water-osmosis |
|
|
Term
what structure are drugs and toxins secreted from and absorbed by? |
|
Definition
secreted from blood, absorbed by exxcretory tubule |
|
|
Term
what are the names of the two major portions of the kidney? |
|
Definition
cortex and medulla cortex is where blood is filtered, medulla is where salt and water are controlled |
|
|