The sensitivity of the muscle spindle is maintained by ________
A) anulospiral endings
B) secondary afferent (group II) fibers
C) alpha motor neurons
D) a stretch reflex
E) gamma motor neurons
E
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What part of the brain is considered to be the thirst center?
a) Thalamus b) Hypothalamus c) Midbrain d) Brain stem e) Cerebrum
The baroreceptors in the carotid sinus and aortic arch are sensitive to which of the following?
A) a decrease in carbon dioxide B) changes in arterial pressure C) a decrease in oxygen levels D) an increase in oxygen levels
In general, a large rough projection is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
In the body, the muscles are so positioned that their relaxed length is significantly less than their optimal length
Indicate whether the statement is true or false