Fibers of muscles whose motor neurons are severed
A) cannot ever be reinnervated.
B) may be replaced by fat or fibrous connective tissue.
C) hypertrophy.
D) die as their sarcomeres are progressively eliminated.
B
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Which of the following is true about red muscles?
A) Red muscles are slower than white muscles. B) Red muscles have fewer mitochondria than white muscles. C) Red muscles have fibers of greater diameter than those of white muscles. D) Red muscles contain less myoglobin than white muscles. E) Red muscles fatigue quickly.
The type of muscle found in the walls of blood vessels is ________ muscle.
A. skeletal B. cardiac C. striated D. voluntary E. smooth
The horizontally-oriented fold of dura mater that separates the occipital and temporal lobes of the cerebrum from the cerebellum is the
A. falx cerebri. B. diaphragma sellae. C. superior sagittal sinus. D. falx cerebelli. E. tentorium cerebelli.
Good general dietary advice for athletes is to eat
A. about equal amounts of the three macronutrients. B. much more protein than non-athletes. C. 60% or more carbohydrates, mostly from grains and vegetables. D. only two large meals a day, with no snacks.