In an arteriole, if the blood vessel radius is 2 units and is then vasoconstricted to 1 unit,
A) Blood flow decreases by half.
B) Resistance increases 16 times.
C) Blood viscosity increases.
D) All of these.
E) Resistance increases 16 times and blood viscosity increases.
Correct Answer:
Verified
Q3: Which type of blood vessel consists of
Q7: The arteries
A) serve as rapid-transit passageways from
Q8: Which is not true about blood pressure?
A)
Q10: Blood flow is affected by
A) pressure differences
B)
Q11: The major determinant influencing resistance to blood
Q12: The larger arteries assist with systemic blood
Q13: The major function of the arterioles is
Q14: Resistance
A) is a measure of the hindrance
Q15: Resistance increases when
A) radius decreases
B) length decreases
C)
Q16: The microcirculation is composed of
A) arteries, arterioles,
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