If the myelin sheathing on neurons is absent or removed in a given individual, he or she will exhibit difficulties in speaking, vision, and balance because without myelin the
A. quantity of neurotransmitters released into synapses will be reduced.
B. quantity of neurotransmitters released into synapses will be increased.
C. speed of neural conduction along critical paths will be too fast.
D. speed of neural conduction along critical paths will be too slow.
Answer: D
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a. sleep apnea. b. somnambulism. c. hyposomnia. d. insomnia.
If you want to identify clusters of cell bodies in a sample of tissue, it would be best to use the a. Golgi silver stain
b. Nissl stain. c. myelin stain. d. horseradish peroxidase stain.
While studying for an astronomy exam, Haley realizes that the swirling motion of the cream he has just poured into his coffee is similar to the motion of the solar nebula described in his textbook. This comparison helps him to remember the term for the phenomenon and represents an example of
a. maintenance rehearsal. c. semantic encoding. b. elaborative rehearsal. d. flashback memory.
How one develops is determined by continuous interaction between _________ and __________
a. learning; environment b. heredity; environment c. nurture; environment d. heredity; nature