GMS6530 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
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Course
GMS6530
Institution
GMS6530
GMS6530 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
which of the following lists the valves in the order through which the blood flows from the vena cava through the heart?
•tricuspid, pulmonary semilunar, bicuspid, aortic semilunar
•mitral, pulmonary semilunar, ...
which chamber initially receives blood from the systemic circuit?
•left atrium
•left ventricle
•right atrium
•right ventricle
right atrium
in which septum is it normal to find openings in the adult?
•interatrial septum
•interventricular septum
•atrioventricular septum
,atrioventricular septum
which portion of the ECG corresponds to repolarization of the atria?
•P wave
•QRS complex
•T wave
•atrial repolarization is masked by ventricular depolarization
atrial repolarization is masked by ventricular depolarization
the cardiovascular centers are located in which area of the brain?
•medulla oblongata
•pons
•mesencephalon (midbrain)
•cerebrum
medulla oblongata
which of the following is a negative inotrope?
•Na+
•K+
•Ca2+
•both Na+ and K+
K+
,in a healthy young adult, what happens to cardiac output when heart rate
increases above 160 bpm?
•it increases
•it decreases
•it remains constant
•there is no way to predict
it decreases
the force the heart must overcome to pump blood is known as...
•preload
•afterload
•cardiac output
•stroke volume
afterload
the endothelium is found in the...
•tunica interna
•tunica media
•tunica externa
•lumen
tunica interna
, closer to the heart, arteries would be expected to have a higher percentage of...
•endothelium
•smooth muscle fibers
•elastic fibers
•collagenous fibers
elastic fibers
which of the following best describes veins?
•thick walled, small lumens, low pressure
•thin walled, large lumens, low pressure
•thin walled, small lumens, high pressure
•thick walled, large lumens, high pressure
thin walled, large lumens, low pressure
venoconstriction increases which of the following?
•blood pressure within the vein
•blood flow within the vein
•return of blood to the heart
•all of the above
all of the above
would stroke volume be expected to be largest in a patient with high or low blood
pressure, everything else being equal?
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