Term
A 17-year-old high school cross-country runner has been training aerobically for six months in preparation for the upcoming season. Which of the following adaptations will occur in the muscles during that tie?
A. Increased concentration of glycolytic enzymes
B. Hyperplasia of Type II fibers
C. Transformation from Type I to Type II fibers
D. Hypertrophy of Type I fibers |
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Definition
| D. Hypertrophy of Type I fibers |
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Term
The amount of blood ejected from the left ventricle during each beat is the
A. Cardiac Ouptut
B. a-vO2 Difference
C. Heart Rate
D. Stroke Volume |
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Definition
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Term
All of the following normally increase during an aerobic exercise session EXCEPT
A. End-Diastolic Volume
B. Cardiac Contractility
C. Cardiac Output
D. Diastolic Blood Pressure |
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Definition
| D. Diastolic Blood Pressure |
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Term
The mean atrerial pressure is defined as the
A. Average blood pressure throughout the cardiac cycle
B. The average of the systolic and diastolic blood pressures
C. Average systolic blood pressure during exercise
D. Average of blood pressure and heart rate |
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Definition
| A. Average blood pressure throughout the cardiac cycle |
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Term
Primary training adaptations of elite aerobically-trained athletes include which of the following?
I. Increased maximal oxygen uptake
II. Decreased blood lactate concentration
III. Increased running economy
IV. Decreased capillary density
A. I and III Only
B. II and IV Only
C. I, II, and III Only
D. II, III, and IV Only |
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Definition
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Term
Which of the following is an early adaption to acclimatizing to high altitude?
A. Decreased tidal volume
B. Decreased respiration rate
C. Increased resting cardiac output
D. Increased stroke volume |
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Definition
| C. Increased resting cardiac output |
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