PHYSIOLOGY II | EXAM (LATEST) || MOST RECENT EXAM
2026|2027 ACTUAL COMPLETE REAL EXAM QUESTIONS AND
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If the length of the absolute refractory period in cardiac muscle cells
was the same as it is for skeletal muscle cells ________. -ANSWERS-
tetanic contractions might occur, which would stop the heart's
pumping action
In a healthy individual which of the following would be low? -
ANSWERS-Afterload
What is afterload? -ANSWERS-back pressure exerted by arterial blood
If the vagal nerves to the heart were cut, the result would be that
________. -ANSWERS-the heart rate would increase by about 25 beats
per minute
As pressure in the aorta rises due to atherosclerosis, more ventricular
pressure is required to open the aortic valve. -ANSWERS-True
The aorta is an example of a(n): -ANSWERS-elastic artery
,Which arteries carry deoxygenated blood? -ANSWERS-Pulmonary
arteries
The outermost layer of a blood vessel is the tunica intima. -ANSWERS-
False
What type of tissue is found in the walls of the arteries that leave the
heart but not in the walls of the large veins that enter the heart? -
ANSWERS-Elastic tissue
Vasodilation is a widening of the lumen due to smooth muscle
contraction. -ANSWERS-False
Which capillaries are the most common in the body? -ANSWERS-
Continuous capillaries
A precapillary sphincter is a cuff of smooth muscle that regulates the
flow of blood into the capillaries. -ANSWERS-True
Why is it important that blood pressure drop to lower levels as it
reaches the capillary beds? -ANSWERS-capillaries are fragile and
extremely permeable
, _______ pressure is the difference between systolic and diastolic
pressure. -ANSWERS-Pulse
Aldosterone will ________. -ANSWERS-promote an increase in blood
pressure
A patient with essential hypertension might have pressures of 200/120
mm Hg. This hypertensive state could result in all of the following
changes except ________. -ANSWERS-decreased size of the heart
muscle
The short-term controls of blood pressure, mediated by the nervous
system and bloodborne chemicals, primarily operate via all but which of
the following? -ANSWERS-altering blood volume
Substances absorbed in the intestines would be routed to the liver via
the__________. -ANSWERS-hepatic portal system
All capillary beds are continuously perfused with blood. -ANSWERS-
False
The velocity of blood flow is ________. -ANSWERS-slowest in the
capillaries because the total cross-sectional area is the greatest