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STRAIGHTERLINE FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS
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STRAIGHTERLINE FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS
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STRAIGHTERLINE FINAL EXAMQUESTIONS WITH COMPLETE
SOLUTIONS
the first and second heart sounds are most directly related to - Answer-vibrations that
occur when the valves close
what occurs during the time between the heart sounds and the second heart sound? -
Answer-ventricular systole
end-diastolic volume minus end systolic volume is equal to - Answer-stroke volume
the pericardial sac lined with - Answer-parietal pericardium
the delivery of oxygen and nutrients to the tissues of the body is accomplished through
___ circulation - Answer-systemic
contraction of the papillary muscles would - Answer-prevent the AV valves from
protruding into the atria
concerning heart sounds, which of the following is correct - Answer-the first heart sound
occurs at the beginning of ventricular systole
which of the following is administered to the people suffering from myocardial infarction
following onset of symptoms - Answer-tissue plasminogen activator (t-PA)
calcium channel blockers are frequently used to - Answer-treat tachycardia or other
arrhythmias
aortic stenosis results from - Answer-a narrowed opening through the aortic valve
in the cardiac cycle - Answer-all four chambers of the heart are in diastole at the same
time
variations in respiratory rate is a symptom of - Answer-sinus arrhythmia
an incompetent pulmonary semilunar valve could result in less blood reaching the -
Answer-lungs
during hemorrhagic shock in which blood pressure is decreased, which of the regulatory
mechanisms is most important is increasing cardiac output to help maintain blood
pressure - Answer-increased sympathetic stimulation of the heart
, Fred was admitted to the cardiac unit with chest pains. No arrhythmias and no large
changes in the heart rate were observable. Blood samples taken over the next few days
showed no increase in enzymes such as creatine phosphokinase. A possible treatment
of the conditions is - Answer-nitroglycerin
a patient has been diagnosed with mild heart disease. tests show that some of the
coronary arteries are partially occluded. which of the following is the best course of
action to treat the disease - Answer-angioplasty
the procedure whereby a small balloon is placed into a partially occluded coronary
artery and then inflated to increase blood flow through the artery is called - Answer-
angioplasty
the velocity of blood flow inside a blood vessel - Answer-is faster in the center of the
blood vessel
the first blood vessels that branch from the ascending aorta are the - Answer-coronary
arteries
when vasodilation doubles the vessel diameter, what is the change in resistance -
Answer-reduced to 1/16th of the original value
the hepatic portal vein is formed by the union of the splenic vein and the - Answer-
superior mesenteric vein
when baroreceptors sense a drop in blood pressure, the vasomotor center responds by
- Answer-triggering peripheral vasoconstriction
the visceral branches of the internal iliac arteries supply blood to the - Answer-urinary
bladder, rectum, and reproductive organs
the longest vein in the body is the - Answer-great saphenous vein
atherosclerosis is the - Answer-deposition of plaques in arterial walls
arteries can constrict or dilate as needed because of the smooth muscle found in the -
Answer-tunica media
which statement is correct - Answer-veins contain valves and arteries do not
resistance to blood flow is greatest in - Answer-arterioles
capillary walls serve as effective permeability barriers for - Answer-proteins
valves similar to the semilunar valves of the heart are found in medium and large -
Answer-veins
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