Exam (elaborations)
EMT-Chapter 17- Cardiovascular Emergencies with 100- correct answers(verified for accuracy)
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EMT-Chapter 17- Cardiovascular Emergencies with 100- correct answers(verified for accuracy)
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EMT-Chapter 17-Cardiovascular Emergencies
with 100% correct
answers(verified for
accuracy)
A dissecting aortic aneurysm occurs when:
A. the inner layers of the aorta become separated.
B. all layers of the aorta suddenly contract.
C. a weakened area develops in the aortic wall.
D. the aorta ruptures - answer the inner layers of the aorta become
separated.
angina pectoris occurs when:
A. a coronary artery is totally occluded by plaque.
B. myocardial oxygen supply exceeds the demand.
C. myocardial oxygen demand exceeds supply.
D. one or more coronary arteries suddenly spasm. - answer
myocardial oxygen demand exceeds supply
cardiogenic shock following AMI is caused by:
A. decreased pumping force of the heart muscle.
,B. widespread dilation of the systemic vasculature.
C. hypovolemia secondary to severe vomiting.
D. a profound increase in the patients heart rate. - answer
decreased pumping force of the heart muscle
deoxygenated blood from the body returns to the :
A. left ventricle
B. right ventricle
C. right atrium
D. left atrium - answer right atrium
in contrast to the sympathetic nervous system, the parasympathetic
nervous system:
A. dilates the blood vessels in the muscles.
B. causes an increase in the heart rate.
C. slows the heart and respiratory rates.
D. prepares the body to handle stress. - answer slows the heart
and respiratory rates
most patients are instructed by their physician to take up to_____
doses of nitroglycerin before calling EMS.
A. three
B. four
C. two
D. five - answer three
, narrowing of the coronary arteries caused by a buildup of fatty
deposits is called:
A. atherosclerosis
B. arteriosclerosis
C. angina pectoris.
D. acute ischemia - answer atherosclerosis
prior to attaching the AED to a cardiac arrest patient , the EMT
should:
A. assess for a pulse for 20 seconds.
B. dry the chest if it is wet.
C. perform CPR for 30 seconds.
D. contact medical control. - answer dry the chest if it is wet
The AED is most advantageous to the EMT because:
A. it delivers an unlimited number of shocks with the same amount
of energy.
B. its use does not require the presence of advanced life support
personnel.
C. it delivers prompt defibrillation to patients with ventricular
fibrillation.
D. it is lightweight, easy to use, and safe for the EMT who is using
it. - answer it delivers prompt defibrillation to patients with
ventricular fibrillation
the electrical impulse generate by the heart originates in the:
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