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Chapter 5: The Cardiovascular System
QUESTION
ANSWER
1. True or False: Cardiac patients and older adults should avoid
aerobic exercise.
2. True or False: During systole, the ventricular muscle contracts
to force blood out of the chambers of the ventricles.
3. True or False: Cardiac patients and older adults should avoid
isometric exercise.
4. True or False: During dynamic exercise, only a slight increase
in heart rate occurs.
5. True or False: Capillaries are thin-walled vessels through
which gases, nutrients, and waste products are exchanged.
6. True or False: The resting heart rate of men is faster than the
resting heart rate of women.
7. Describe the activity of the pulmonary veins.
A. Carry blood away from the heart and toward the tissues
B. Carry blood from the tissues back to the heart
C. Allow for exchange of gases, nutrients, and waste
products
D. Carry oxygenated blood from the lungs to the left heart
to be pumped out into the systemic circulation
8. Describe the activity of the arteries.
A. Carry blood away from the heart and toward the tissues
B. Carry blood from the tissues back to the heart
C. Allow for exchange of gases, nutrients, and waste
products
D. Carry oxygenated blood from the lungs to the left heart
to be pumped out into the systemic circulation
9. What occurs during diastole?
A. After blood flows through the valves, they close,
preventing the backflow of blood.
B. The ventricles fill with blood.
C. The ventricular muscle contracts to force blood out of the
chambers of the ventricles.
D. None of the above
10. Determining the rate at which oxygen is added to the blood
as it flows through the lungs, resulting in an estimation of
pulmonary blood flow, which is equal to CO, is known as which
of the following?
A. The Frank-Starling method
B. The Purkinje method
C. The Fink method
D. The Fick method
11. Which of the following does not increase heart rate?
A. Emotion
B. Ingestion of food
C. Smoking
D. They all increase heart rate
12. Which of the following does not affect stroke volume?
A. Muscular activity
B. Gravity
False
True
True
False
True
False
D
A
B
D
D
C
C. Heat and humidity
D. Nervous influences
13. For light or moderate exercise, the heart rate rises rapidly;
then which of the following happens?
A. A plateau is reached within the first 30 seconds
B. A plateau is reached within the first minute
C. A plateau is reached within the first five minutes
D. The heart rate increases until exhaustion
14. How does aerobic exercise affect blood pressure?
A. It elevates systolic pressure
B. It has little effect on systolic pressure
C. It elevates diastolic pressure
D. Both B and C
B
A