Autoregulation refers to
A. maintaining constant GFR.
B. secretion of renin at a constant rate.
C. secretion of atrial natriuretic peptide at a constant rate.
D. actions of the parasympathetic nervous system.
Answer: A
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A muscle fiber exposed to a series of stimuli of increasing frequency combines individual twitches (summation) which results in
A. a latent period. B. complete sustained contraction. C. muscle tone. D. flaccid muscles.
The brain is in the:
a. ventral cavity b. cranial cavity c. mediastinum d. none of the above
Discuss the nutrient supply to the heart
What will be an ideal response?
Muscle hypertrophy is due to ________.
A. increased number of muscle fibers B. increased number of myofibrils in the muscle fiber C. increased size of the myofibrils D. Both increased number of myofibrils in the muscle fiber and increased size of the myofibrils.