Which statement correctly describes the effect of aging on hair?
A. Terminal hairs become coarser.
B. Hair follicle sebaceous glands increase in number, causing hair to be oilier.
C. Hair on scalp becomes thicker.
D. Loss of melanocytes in the skin has caused the hair to turn gray.
Answer: A
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Distension of the gastric wall leads to secretion of histamines from the lamina propria. This is an example of ________ response
A) neural B) local C) muscular D) hormonal E) antagonistic
The most common neurotransmitter is ________.
Fill in the blank(s) with the appropriate word(s).
The osmoreceptors contributing to water balance are located in the
a. adrenal cortex b. hypothalamus c. juxtaglomerular apparatus d. renal cortex e. renal medulla
In order to regenerate, a peripheral nerve fiber must have which of the following?
A. At least part of the neurosoma intact B. At least half the length of the fiber intact C. At least the entire axon and neurilemma intact D. The neurosoma and at least some neurilemma intact E. All dendrites intact