Biology 241 - Accelerated General Human Physiology » Summer 2021 » Lab Q13

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Question #1
As blood travels through the circulatory system, the pressure:
A.   fluctuates.
B.   decreases.
C.   increases.
D.   remains constant.
Question #2
According to Pouiselle's Equation regarding blood flow, what happens to blood flow when the length of a blood vessel is longer?
A.   blood flow increases.
B.   blood flow decreases.
C.   blood flow stays the same.
Question #3
According to Pouiselle's Equation regarding blood flow, what happens to blood flow when the radius of a blood vessel is larger?
A.   blood flow decreases.
B.   blood flow does not change.
C.   blood flow increases.
Question #4
During blood pressure measurement, a stethoscope is used:
A.   to regulate the pressure of the blood pressure cuff.
B.   to detect turbulent blood flow through the brachial artery.
C.   to stop blood flow to the arm.
D.   to listen to the heart.
Question #5
If pulse amplitude indicates the amount of blood flowing through the finger, elevating the left hand (hand with pulse transducer):
A.   increased blood flow to the left hand.
B.   did not change blood flow to the left hand.
C.   decreased blood flow to the left hand.
Question #6
If the pressure of a fluid declines as it flows against gravity, then raising the left hand above the head would:
A.   lower the blood pressure in the arm and reduce blood flow to the hand.
B.   lower the blood pressure in the arm and increase blood flow to the hand.
C.   not change blood pressure in the arm and reduce blood flow to the hand.
D.   not change blood pressure in the arm and increase blood flow to the hand.
Question #7
A decrease in arterial blood pressure initiates sympathetic activity, which leads to:
A.   increase in arterial blood loss through the capillaries
B.   decrease in heart rate
C.   increase in arterial blood loss through the capillaries, increase in stroke volume, and decrease in heart rate
D.   increase in stroke volume
Question #8
Blood pressure is decreased by activity in the:
A.   sympathetic nervous system
B.   parasympathetic nervous system
C.   endocrine system
D.   somatic nervous system

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