ANP1105 - Final Exam 2024/2025
The aorta is an example of a(n):
a) arteriole.
b) vein.
c) elastic artery.
d) muscular artery. - ANS -c)
Which arteries carry deoxygenated blood?
a) aorta
b) pulmonary arteries
c) carotid arteries
d) renal arteries - ANS -b)
,T/F: The outermost layer of a blood vessel is the tunica intima. - ANS -
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?
a) endothelium
b) smooth muscle
c) elastic tissue
d) collagen fibers - ANS -c)
T/F: Vasodilation is a widening of the lumen due to smooth muscle
contraction. - ANS -False
Which of the following would decrease peripheral resistance to blood
flow?
,a) Vasoconstriction
b) Increasing blood vessel length
c) Atherosclerosis
d) Anemia - ANS -d)
Which capillaries are the most common in the body?
a) sinusoids
b) anastomoses
c) continuous capillaries
d) fenestrated capillaries - ANS -c)
T/F: A precapillary sphincter is a cuff of smooth muscle that regulates
the flow of blood into the capillaries. - ANS -True
, Which of the following is NOT an important source of resistance to
blood flow?
a) blood viscosity
b) vessel diameter
c) vessel length
d) total blood volume - ANS -d)
Which of the following will lower blood pressure?
a) Aldosterone
b) Angiotensin II
c) Atrial natriuretic peptide
d) Antidiuretic hormone - ANS -c)
The aorta is an example of a(n):
a) arteriole.
b) vein.
c) elastic artery.
d) muscular artery. - ANS -c)
Which arteries carry deoxygenated blood?
a) aorta
b) pulmonary arteries
c) carotid arteries
d) renal arteries - ANS -b)
,T/F: The outermost layer of a blood vessel is the tunica intima. - ANS -
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?
a) endothelium
b) smooth muscle
c) elastic tissue
d) collagen fibers - ANS -c)
T/F: Vasodilation is a widening of the lumen due to smooth muscle
contraction. - ANS -False
Which of the following would decrease peripheral resistance to blood
flow?
,a) Vasoconstriction
b) Increasing blood vessel length
c) Atherosclerosis
d) Anemia - ANS -d)
Which capillaries are the most common in the body?
a) sinusoids
b) anastomoses
c) continuous capillaries
d) fenestrated capillaries - ANS -c)
T/F: A precapillary sphincter is a cuff of smooth muscle that regulates
the flow of blood into the capillaries. - ANS -True
, Which of the following is NOT an important source of resistance to
blood flow?
a) blood viscosity
b) vessel diameter
c) vessel length
d) total blood volume - ANS -d)
Which of the following will lower blood pressure?
a) Aldosterone
b) Angiotensin II
c) Atrial natriuretic peptide
d) Antidiuretic hormone - ANS -c)
