A mixed nerve consists of both ________ and ________.
A. spinal; cranial fibers
B. myelinated; unmyelinated fibers
C. glial cells; nerve cells
D. association; integration neurons
E. afferent; efferent fibers
Answer: E
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Which structures separate the cranial bones at birth and allow for limited movement of the bones relative to one another?
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Interferon
a. forms a membrane-attack complex b. causes lysis of invading microbes c. nonspecifically defends against viruses d. stimulates histamine release from mast cells e. is secreted by lymphoid tissues
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Indicate whether the statement is true or false.