BIOS252 EXAM 2 ANATOMY AND
PHYSIOLOGY III EXAMINATION STUDY GUIDE
2026 QUESTIONS WITH ANSWERS
◉ Which blood vessels allow the exchange of gases and nutrients
between the blood and tissues. Answer: Capillaries
◉ The wall of the blood vessel is composed of three layers. Which of
hte following is NOT a layer of a blood vessel wall?
A-tunica fibrosa
B-tunica media
C-tunica adventitia
D-tunica intima. Answer: A-tunica fibrosa
◉ What is the name of the blood vessel layer that contains smooth
muscle fibers?. Answer: Tunica media
◉ Which arteries are the distrubuting arteries?. Answer: Muscular
arteries
◉ What is the name of the blood vessel that directly connects an
arteriole to a venule?. Answer: Thoroughfare channel
,◉ What is the flow of blood as blood moves from the heart to the
tissues back to the heart?. Answer: Elastic arteries, Muscular
arteries, Arterioles, Capillaries, Venules, veins
◉ What is the equation that describes the mean arterial blood
pressure? (MAP). Answer: MAP=CO X PR
◉ What is it called when the sympathetic stimulation keeps the
artries in a constant state of partial constriction?. Answer:
Vasomotor tone
◉ Which pair of processes is responsible for the exchange of fluids
across the walls of capillaries?. Answer: Diffusion and osmosis
◉ Which of the following loal control mechanisms would increase
blood flow to the tissues?
A-arterioles vasoconstrict and precapillary sphincters constrict
B-arterioles vasoconstrict and precapillary sphincters relax
C-arterioles vasodilate and precapillary sphincters constrict
D-arterioles vasodilate and precapillary sphincters relax. Answer: D-
arterioles vasodilate and precapillary sphincters relax
, ◉ What sensory receptors detects changes in artrial stretch?.
Answer: Baroreceptors
◉ What is the effect of epinephrine released from the adrenal
medulla?. Answer: Vasodilation in the skeletal and cardiac muscles
and vasoconstriction in skin and kidneys
◉ Which of the following is NOT a chemical that is detected by
chemoreceptors that effects blood pressure?
A-hydrogen ions
B-oxygen
C-carbon dioxide
D-sodium. Answer: D-sodium
◉ A drop in oxygen results in an. Answer: Increased blood pressure
◉ All of the following are effects of the release of renin by the kidney
because of low blood pressure EXCEPT
A-conversion of angiotensinogen into angiotensin I
B-release of TSH
C-release of aldosterone
D-all of the above. Answer: B-release of tsh
PHYSIOLOGY III EXAMINATION STUDY GUIDE
2026 QUESTIONS WITH ANSWERS
◉ Which blood vessels allow the exchange of gases and nutrients
between the blood and tissues. Answer: Capillaries
◉ The wall of the blood vessel is composed of three layers. Which of
hte following is NOT a layer of a blood vessel wall?
A-tunica fibrosa
B-tunica media
C-tunica adventitia
D-tunica intima. Answer: A-tunica fibrosa
◉ What is the name of the blood vessel layer that contains smooth
muscle fibers?. Answer: Tunica media
◉ Which arteries are the distrubuting arteries?. Answer: Muscular
arteries
◉ What is the name of the blood vessel that directly connects an
arteriole to a venule?. Answer: Thoroughfare channel
,◉ What is the flow of blood as blood moves from the heart to the
tissues back to the heart?. Answer: Elastic arteries, Muscular
arteries, Arterioles, Capillaries, Venules, veins
◉ What is the equation that describes the mean arterial blood
pressure? (MAP). Answer: MAP=CO X PR
◉ What is it called when the sympathetic stimulation keeps the
artries in a constant state of partial constriction?. Answer:
Vasomotor tone
◉ Which pair of processes is responsible for the exchange of fluids
across the walls of capillaries?. Answer: Diffusion and osmosis
◉ Which of the following loal control mechanisms would increase
blood flow to the tissues?
A-arterioles vasoconstrict and precapillary sphincters constrict
B-arterioles vasoconstrict and precapillary sphincters relax
C-arterioles vasodilate and precapillary sphincters constrict
D-arterioles vasodilate and precapillary sphincters relax. Answer: D-
arterioles vasodilate and precapillary sphincters relax
, ◉ What sensory receptors detects changes in artrial stretch?.
Answer: Baroreceptors
◉ What is the effect of epinephrine released from the adrenal
medulla?. Answer: Vasodilation in the skeletal and cardiac muscles
and vasoconstriction in skin and kidneys
◉ Which of the following is NOT a chemical that is detected by
chemoreceptors that effects blood pressure?
A-hydrogen ions
B-oxygen
C-carbon dioxide
D-sodium. Answer: D-sodium
◉ A drop in oxygen results in an. Answer: Increased blood pressure
◉ All of the following are effects of the release of renin by the kidney
because of low blood pressure EXCEPT
A-conversion of angiotensinogen into angiotensin I
B-release of TSH
C-release of aldosterone
D-all of the above. Answer: B-release of tsh
