The slowest category of nerve fibers are the
A. A fibers, and they conduct impulses at 10 meters per second.
B. C fibers, and they conduct impulses at 1 meter per second.
C. D fibers, and they conduct impulses at 0.1 meter per second.
D. C fibers, and they conduct impulses at 100 meters per second.
E. D fibers, and they conduct impulses at 0.01 meter per second.
B
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This part of the brain contains the arbor vitae.
A. Cerebellum B. Epithalamus C. Pons D. Medulla oblongata E. Cerebrum
On day 14 of a typical 28-day menstrual cycle, LH concentration in the blood will be ________. The endometrium will be ________. Estrogen concentration in the blood is ________.
A. at or near a peak; in the secretory phase; low B. level; starting the proliferative phase; level but high C. at or near a peak; near the end of the proliferative phase; relatively high D. level; sloughing off; low E. low but rising; in the secretory phase; high
The type of muscle fibers that are striated, form Y-shaped branches, and are joined by intercalated discs are
A. skeletal. B. cardiac. C. smooth. D. voluntary. E. skeletal and voluntary.
_________ is the twinge of pain that may be felt during ovulation.
Fill in the blank(s) with the appropriate word(s).