Some research indicates that lack of improvement in cardiorespiratory endurance among inactive adults might be related to low levels of ____.
A. leg strength
B. blood glucose
C. upper body strength
D. overall flexibility
E. body fat
Answer: A
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Each gram of fat provides ____ calories, which are more than twice the calories of a gram of carbohydrate or protein.
A. 17 B. 15 C. 13 D. 11 E. 9
The dilation of a blood vessel that supplies the brain is known as:
A. cerebral aneurysm B. cerebral atherosclerosis C. cerebral embolism D. cerebral thrombosis
College freshmen living away from home for the first time may face a variety of conflicts due to differences between their own values and beliefs and those of
A) their professors. B) their parents and new people they encounter. C) their parents and long-time friends. D) celebrities they admire.
Lymphocytes Th and B cooperates due to:
a. MHC I b. MHC II located on Th-lymphocytes surface c. MHC II on B lymphocytes surface d. IL-2 e. IL-4