In an arteriole, if the blood vessel radius is 2 units and then vasoconstricted to 1 units, the resistance:
A) the resistance decreases 16 times.
B) the resistance increases 16 times.
C) flow will be decreased.
D) both (a) and (b) above.
E) both (b) and (c) above.
Correct Answer:
Verified
Q1: The microcirculation is composed of:
A) arteries, arterioles,
Q2: Which is true of blood pressure:
A) its
Q3: The major function of the arterioles is
Q3: Which of the following factors would produce
Q4: Which is not true of blood pressure:
A)
Q5: Blood flow is affected by
A) pressure differences.
B)
Q7: Resistance
A) is a measure of the hindrance
Q8: Resistance increases when
A) radius decreases.
B) length decreases.
C)
Q9: A constant blood supply to this organ
Q11: Organs that recondition the blood
A) receive disproportionately
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