Increased blood flow resistance is caused by A. increased blood vessel length. B
ID: 3510739 • Letter: I
Question
Increased blood flow resistance is caused by
A. increased blood vessel length.
B. decreased blood viscosity.
C. vasodilation.
D. increased blood pressure.
Vasodilation is induced by all of the following EXCEPT
A. increased tissue carbon dioxide.
B. decreased tissue metabolism.
C. decreased tissue oxygen.
D. increased extracellular K+.
Which blood vessels have the highest cross-sectional area?
A. veins
B. arterioles
C. venules
D. capillaries
Which blood vessels have the lowest pressure?
A. veins
B. arterioles
C. venules
D. capillaries
Inhibition of the baroreceptor reflex would not allow proper regulation of all but
A. cardiac rate.
B. stroke volume.
C. respiratory rate.
D. blood pressure.
Increased blood pressure stimulates
A. decreased outflow from the baroreceptors.
B. decreased sympathetic outflow to the heart.
C. decreased parasympathetic outflow to the heart.
D. postural hypotension
Explanation / Answer
Answer 1: Increased blood flow resistance is caused by:
Answer 2: Correct answer is
Answer 3: Correct answer is : Capillaries.
Answer 4: Correct answer is Veins.