Nerve fibers are insulated from one another by ________.
A. blood vessels
B. epineurium
C. endoneurium
D. perineurium
E. fascicles
Answer: C
Anatomy & Physiology
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What is the sympathetic rhythmic contraction rate (in response to orgasm) in both males and females?
a. 0.1-second intervals b. 0.4-second intervals c. 0.8-second intervals d. 1.2-second intervals e. 1.8-second intervals
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From what germ layer are the serosae of the peritoneal cavity (coelom) derived?
A. Ectoderm B. Endoderm C. Notochord D. Mesoderm
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The ________ node is the pacemaker of the heart.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology