Which of the following terms means the percentage of total blood volume composed of red blood cells?
A. Viscosity
B. Hematocrit
C. Partial prothrombin
D. Complete blood count
E. Hemoglobin
Answer: B
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A red blood cell is a(n) ________.
Fill in the blank(s) with the appropriate word(s).
In a "two-legged" maximal cycle ergometer test, if each leg were to vasodilate to the extent experienced in a one-legged VO2 max test, mean arterial blood pressure would fall below normal levels.
Answer the following statement true (T) or false (F)
Which of the following statements about changing one's lifestyle to be more active is FALSE?
A. Goal setting is essential in the action stage. B. The termination stage comes when an individual becomes unable to do the activity. C. When you have been physically active almost every day for at least 6 months, you are in the maintenance stage. D. Self-assessment is critical in the preparation stage.