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EMT
EMT Test Review questions
157
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09/26/2016

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Term
What are 3 properties of the cardiac muscle?
Definition

1. Automaticity

2. Conductivity

3. Contractility

Term
Where does the cardiac electrical impulse in the heart begin?
Definition
The sinoatrial node
Term
The heart is perfused by the _______ _______.
Definition
coronary arteries
Term

The coronary arteries receive blood during:

 

Systole

 

Diastole

Definition
Diastole
Term
Blood consists of what 4 things?
Definition

1. Red blood cells (RBC)

2. White blood cells (WBC)

3. Platelets

4. Plasma

Term
The term for ventricular contraction is:
Definition
Systole
Term
What is the result of left-sided heart failure?
Definition
Blood backs up into the lungs.
Term
What is the term for fluid which has built up in the lungs due to left-sided heart failure?
Definition
Pulmonary edema.
Term
Three Signs of Right-sided heart failure?
Definition
1. Peripheral Edema
2. Jugular Vein Distension
3. Enlarged Liver
Term
Signs and symptoms of left ventricular failure?
Definition
Decreased cardiac output
Decreased perfusion
Decreased systolic blood pressure
Altered mental status
Respiratory distress
Term
Signs and symptoms of right ventricular failure?
Definition
Decreased lung perfusion
hypoxia and respiratory distress
Jugular vein distension
Peripheral edema
Decreased blood return to left ventricle causes decreased cardiac output
Term
What is the purpose of the primary assessment?
Definition
To identify and begin treatment of any immediate life threats
Term
When dealing with poisoning, pinpoint pupils are only associated with what type of overdose?
Definition
opioids or narcotics
Term
When giving activated charcoal, what are the contraindications?
Definition
if the ingested poison is an acid or alkalis.
Term
What is one of the biggest difficulties when dealing with recognizing an inhaled poison?
Definition
a large number of them are colorless and odorless
Term
What is one of the biggest difficulties when dealing with recognizing an inhaled poison?
Definition
a large number of them are colorless and odorless
Term
Give some examples of a colorless and odorless inhaled poison.
Definition
carbon monoxide
carbon dioxide
Term
What are the 4 routes for poison to enter the body?
Definition
inhalation
ingestion
absorption
injection
Term
What is the most common route for a poison to enter the body?
Definition
ingestion
Term
When dealing with a poisoning victim who states they can smell bitter almonds, what poison are you dealing with?
Definition
cyanide
Term
What is dysphagia?
Definition
difficulty swalling
Term
What is dysphasia?
Definition
difficulty speaking or understanding spoken words
Term
What are the 3 phases to ethylene glycol poisoning?
Definition
Neurologic to cardiopulmonary to renal
Term
What is your MOST important resource when dealing with poisoning?
Definition
Poison Control Center
Term
What is drug abuse?
Definition
Self-administration of a drug in a manner that is not in accord with approved medical or social patterns
Term
What is overdose
Definition
Emergency that involves poisoning by drugs or alcohol
Term
Name some common stimulant drugs that are abused.
Definition
Amphetamines, cocaine, ephedrine, methamphetamine
Term
What is pruritus?
Definition
severe itching of the skin
Term
What is cardiomyopathy?
Definition
chronic disease of the heart muscle.
Term
What is conduction?
Definition
the transfer of heat to or from a part of the body or substance by direct contact
Term
What is convection?
Definition
the transfer of heat by circulating air
Term
What is evaporation?
Definition
the conversion of liquid to gas. This process requires heat or energy
Term
What is radiation?
Definition
the transfer of heat by radiant energy
Term
What is radiant energy?
Definition
a type of invisible light that transfers heat.
Term
List 3 ways the body can modify its temperature.
Definition
1. Increase or decrease heat production
2. Move to an area where heat loss is increased or decreased
3. wear appropriate clothing for the enviornment
Term
To be diagnosed with hypothermia, the core body temperature must fall below ____
Definition
95 degrees F or 35 degrees C
Term
What temperature range constitutes mild hypothermia?
Definition
90 to 95 F or 32.2 o 35 C
Term
Severe hypothermia occurs when the body temperature is below _____
Definition
90 F or 32.2 C
Term
Cardiorespiratory activity usually stops when the core temperature is below _______
Definition
80 F or 26.7 C
Term
A heat emergency can take what 3 forms?
Definition
1. heat cramps
2. heat exhaustion
3. heat stroke
Term
Heat exhaustion is caused by ___________ as the result of loss of water and electrolytes from heavy sweating.
Definition
hypovolemia
Term
Untreated heat stroke always results in _____
Definition
death
Term
In diving emergencies, what are the 3 phases of a dive where emergencies can happen?
Definition
descent, bottom, and ascent
Term
What is barotrauma?
Definition
injury caused by a change in air pressure, typically affecting the ear or the lung
Term
What is a hollow organ?
Definition
A hollow organ is an organ that contains a lumen, or a hollow space
Term
Which organs in the abdomen are hollow?
Definition
gallbladder, stomach, small intestine, large intestine, urinary bladder, and fallopian tubes in women
Term
What are the solid organs in the abdomen?
Definition
liver, spleen, pancreas, kidneys, and in women the ovaries and uterus
Term
Name 4 functions of the liver
Definition
1. secretes bile to aid in digestion of fats
2. filters toxic substances produced by digestion
3. creates glucose stores
4. produces substances necessary for blook clotting and immune function
Term
The small intestine is divided into 3 parts. Name them.
Definition
1. duodenum
2. jejunum
3. ileum
Term
The duodenum is where digestive juices from the ________ and _____ mix together.
Definition
pancreas
liver
Term
Name 3 things the pancreas secretes.
Definition
Amylase
bicarbonate
insulin
Term
What does bicarbonate do?
Definition
neutralizes stomach acid in the duodenum
Term
What is the largest part of the small intestine called
Definition
jejunum
Term
What does the ileum do?
Definition
1. Absorbs nutrients that were not absorbed earlier
2. absorbs bile to be returned to the liver
3. absorbs vitamin B12 for making nerve cells and red blood cells
Term
what is the large intestine called?
Definition
colon
Term
what is the rhythmic movement that smooth muscles use to move food through the intestines?
Definition
peristalsis
Term
The spleen is part of the _________ ______
Definition
lymphatic system
Term
Name the parts of the male genital system.
Definition
Testicles, epididymis, vasa deferentia, seminal vesicles, prostate gland, and penis
Term
Name the parts of the female genital system.
Definition
ovaries, fallopian tubes, uterus, cervix, and vagina
Term
name the solid organs in the urinary system
Definition
kidneys
Term
name the hollow organs in the urinary system
Definition
ureters, bladder, urethra
Term
an irritation of the peritoneum causing inflammation is called ___________
Definition
peritonitis
Term
What is ileus/
Definition
paralysis of the muscular contractions that normally propel material through the intestine.
Term
what is diverticulitis?
Definition
and inflammation in small pockets at weak areas in the muscle walls of the colon
Term
What is cholecystitis?
Definition
inflammation of the gallbladder
Term
what is PUD?
Definition
Peptic Ulcer Disease
Term
What is hematology
Definition
study of blood-related illnesses
Term
What are the 4 parts of blood?
Definition
Erythrocytes (red blood cells)
Leukocytes (white blood cells)
platelets
plasma
Term
What percent of the blood volume is made up of red blood cells?
Definition
42 to 47
Term
What protein is carried in the RBC's?
Definition
Hemoglobin
Term
What is the purpose of hemoglobin?
Definition
carries 97% of the ocyygen and some of the carbon dioxide during gas exchange.
Term
White blood cells (WBC's) make up what percent of a person's blood cell volume?
Definition
.01 to .02
Term
What is the purpose of WBC's in a healthy person?
Definition
collects dead cells and provides for their correct disposal
Term
What happens to WBC's when an infection is present in the body?
Definition
The body creates large numbers of WBC's and they attack the infection.
Term
what percent of blood cell volume is made up by platelets?
Definition
4 to 7
Term
What is the purpose of platelets?
Definition
clot formation
Term
what is the purpose of plasma in the blood?
Definition
plasma serves as the transportation media for all the blood components, proteins, and minerals.
Term
What is another name for sickle cell disease?
Definition
hemoglobin s
Term
what 2 things does the brain need to survive?
Definition
glucose and oxygen
Term
what 2 chemicals do the pancreas store and secrete to help the body metabolize glucose in the blood?
Definition
glucagon and insulin
Term
The pancreas as alpha and beta cells. What chemical is produced by alpha cells? What chemical is produced by beta cells?
Definition
alpha = glucagon
beta = insulin
Term
What are the 3 types of diabetes?
Definition
diabetes mellitus type 1
diabetes mellitus type 2
gestational diabetes
Term
What is polyuria?
Definition
increased urination
Term
What is polydipsia?
Definition
increased thirst
Term
what is polyphagia?
Definition
increased hunger
Term
When the body burns fat rather than glucose _______ are produced
Definition
ketones
Term
What are kussmaul respirations?
Definition
deep rapid breathing usually as a result of acid buildup from diabetes
Term
hyperosmolar hyperglycemic nonketotic syndrome (HHNS)
Definition
a life threatening condition resulting from high blood glucose that typically occurs in older adults, and which causes altered mental status, dehydration, and organ damage
Term
what are the only contraindications to giving oral glucose?
Definition
inability to swallow and unconsciousness
Term
which can cause seizures hyperglycemia or hypoglycemia?
Definition
hypoglycemia
Term
vasoocclusive crisis
Definition
ischemia and pain caused by sickleshaped red blood cells that obstruct flow to a portion of the body.
Term
what 2 chemicals are produced by the immune system in response to a stimulus
Definition
histamines and leukotrienes
Term
What is anaphylaxis?
Definition
an extreme allergic reaction that is life threatening and involves multiple organ systems
Term
that is urticaria?
Definition
hives
Term
what is angioedema
Definition
areas of localized swelling
Term
name 5 general categories of allergies
Definition
1. food
2. medication
3. plants
4. chemicals
5. insect bites or stings
Term
in Which part of the airway is stridor heard?
Definition
upper
Term
what is stridor?
Definition
a harsh high-pitched sound heard on inspiration which occurs when swelling in the upper airway begins to close off the airway.
Term
When epinephrine is administered during anaphylaxis, what does effect does the drug have on the inside of the body? be specific.
Definition
1. blood vessels constrict which reverses vasodilation and hypotension
2. increased cardiac contractility
3. relieves bronchospasm in the lungs
Term
What side effects can be produced from epinephrine injection?
Definition
increased pulse rate, anxiety, cardiac dysrhythmia, pallor, dizziness, chest pain, headache, nausea, vomiting
Term
What is the adult dose for epinephrine? And children?
Definition
.3 mg in a 1 to 1000 concentration
.15 mg in a 1 to 1000 concentration
Term
What is PID?
Definition
Pelvic Inflammatory Disease = an infection of the upper femail reproductive organs - specifically the uterus, ovaries, and fallopian tubes.
Term
What is the most commonly reported sexually transmitted disease in the US?
Definition
chlamydia
Term
If you fail to consider gynecologic reasons for abdominal pain in females what percent of the diagnoses will be wrong?
Definition
50
Term
What is visceral pain?
Definition
this pain comes from the organ that is involved in the problem. It presents as less severe, more generalized, dull or aching, and can be constant or intermittent
Term
What is parietal pain?
Definition
This pain is more localized and severe. The pain is sharp and constant and involves the peritoneal lining
Term
What is referred pain?
Definition
This is visceral pain that is felt somewhere other than the organ which is affected.
Term
What is esophageal varices and what is the most common cause for it?
Definition
Engorged and weakened veins in the esophagus. Usually caused by heavy alcohol use and liver disease
Term
Which part of the nervous system us responsible for adjusting the blood flow by constricting and dilating blood vessels.
Definition
autonomic
Term
State the path that blood takes from the heart trough the body. Begin with the right atrium.
Definition
1. right atrium
2. right ventricle
3. pulmonary arteries
4. lungs
5. pulmonary veins
6. left atrium
7. left ventricle
8. aorta
9. major arteries
10. arterioles
11. capillaries
12. venules
13. major veins
14. right atrium
Term
what is perfusion?
Definition
the circulation of blood within an organ or tissue in adequate amounts to meet the cells needs for oxygen, nutrients, and waste removal.
Term
how many ml of blood does the average male body contain?
Definition
70 ml per kilo of body weight
Term
how many ml of blood does the average female body hold?
Definition
65 ml per kilo of body weight
Term
when dealing with a bleeding patient, explain the PPE precautions that should be used in the different bleeding situations...
light bleeding?
venous bleeding?
arterial bleeding?
Definition
light bleeding - gloves and eye protection
venous bleeding - gloves and eye protection
arterial bleeding - gloves, eye protection, mask, gown
Term
what two things are significant about arterial bleeding?
Definition
1. it is bright red due to being highly oxygenated.
2. it spurts from the wound in time with the pulse rate
Term
DCAP-BTLS
Definition
Deformities
Contusions
Abrasions
Punctures
Burns
Tenderness
Lacerations
Swelling
Term
describe the process of coagulation
Definition
the cut ends of the blood vessel begin to narrow in vasoconstriction reducing the amount of bleeding then a clot forms plugging the hole and sealing the injured portions of the vessel
Term
what is a contusion?
Definition
bruising
Term
define hematoma
Definition
a bump caused by bleeding under the skin
Term
what is the first sign of hypovolemic shock?
Definition
change in mental status
Term
when is the only time you should remove a penetrating object from a patient?
Definition
when it is in the cheek and there is an airway obstruction
Term
What is a hemostatic agent?
Definition
a chemical compound that slows or stops bleeding by assisting in clot formation
Term
what is epistaxis?
Definition
nosebleed
Term
what is a blunt injury
Definition
when the energy exchange between the body and an object is more than the body can tolerate.
Term
what is barotrauma
Definition
injuries from sudden or extreme changes in air pressure
Term
death from soft tissue injuries is often related to __________ or _________.
Definition
hemorrhage, infection
Term
what are the 2 principal layers of skin
Definition
epidermis and dermis
Term
What is echimosis
Definition
a blue or black discoloration of the skin such as a bruise
Term
what are the 4 types of soft-tissue open wounds?
Definition
1. abrasions
2. lacerations
3. avulsions
4. penetrating wounds
Term
what is an abrasion
Definition
a wound of the superficial layer of skin caused by friction
Term
what is a laceration
Definition
a jagged cut in the skin caused by a sharp object of a blunt force that tears the tissue
Term
what is an incision
Definition
a sharp smooth cut
Term
what is a linear laceration?
Definition
it is regular
Term
what is a stellate laceration
Definition
irregular
Term
what is an avulsion?
Definition
an injury that separates various layers of soft tissue
Term
where is the fascia?
Definition
between the muscle and subcutaneous layers
Term
what is the difference between a penetrating wound and an impaled object
Definition
the impaled object remains in the injury site
Term
list 6 signs of hypoperfusion
Definition
1. tachycardia
2. tachypnea
3. low blood pressure
3. weak pulse
4. cool skin
5. moist skin
6. pale skin
Term
what is CO
Definition
carbon monoxide
Term
what is CO2
Definition
carbon dioxide
Term
what are 3 types of ionizing radiation
Definition
alpha, beta, gamma
Term
What are the 3 types of collision in a typical impact?
Definition
1. Vehicle against an object
2. occupant against vehicle
3. internal organs against the body
Term
Primary blast injuries are due entirely to the _____.
Definition
blast
Term
In secondary blast injuries damage is caused by ______ ______.
Definition
flying debris
Term
how do tertiary injuries occur
Definition
the patient is hurled against an object
Term
give some examples of quaternary injuries
Definition
1. burns from gases or fires that were started by the blast
2. respiratory injury from inhaling toxic gasses
3. suffocation, poisoning, and medical emergencies as a result of the explosion
4. contamination of wounds from environmental, chemical, or toxic substances
5. mental health emergencies brought on by the blast.
Term
what are three types of closed injury
Definition
hematoma
contusion
crush injury
Term
what part of the brain contains about 75% of the total volume of the brain
Definition
cerebrum
Term
which part of the brain is responsible for balance and body movement
Definition
cerebellum
Term
the cerebrum is responsible for voluntary motor function and _________ _______
Definition
conscious thought
Term
what part of the brain controls almost all of the functions that are necessary for life and are automatic
Definition
the brain stem
Term
What is the difference between hypoxia and hypoxemia?
Definition
Hypoxemia is low oxygen in your blood.
Hypoxia is low oxygen in your tissues
Term
What is the difference between pneumothorax and tension pneumothorax
Definition
Pneumothorax is a condition when air enters pleural cavity. (Space between lungs and thoracic cage). ... Tension pneumothorax is a condition when air goes inside the pleural cavity but can't come out of it. Hence there is air trapping and ipsilateral lung is compressed.
Term
What is checked in the pediatric assessment trianglr
Definition
appearance, work of breathing, and circulation to the skin
Term
What is the mnemonic TICLS?
Definition
Tone, Interactiveness, Consolability, Look/gaze, and Speech/cry
Term
What 5 things determine work of breathing in an infant or child?
Definition
1. Abnormal airway noise
2. Accessory muscle use
3. Retractions
4. Head bobbing
5. Nasal flaring
Term
What is 3 contraindications for an NPA?
Definition
nasal obstruction, head trauma, facial injuries
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