The purpose of the myelin that surrounds the axon is to
a. keep nerve cells continually active.
b. help electrical currents cross the synapse completely.
c. repair neurons within the peripheral nervous system.
d. speed the transmission of an impulse down the axon.
D
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The average, general outcome that an individual expects in a relationship is called the ____ level
a. intimacy b. investment c. comparison d. self-disclosure
Which best describes the typical response to body image during puberty? a. Females worry more about appearance, but males are more dissatisfied with their appearance. b. Males worry more about appearance, but females are more dissatisfied with their appearance. c. Males worry more about appearance and are more dissatisfied with their appearance
d. Females worry more about appearance and are more dissatisfied with their appearance.
The distribution of neurons within the somatosensory cortex of humans is uneven. Proportionately, larger areas of this region are dedicated to the:
a. back, trunk, and thighs b. face, lips, and fingers c. eyes, ears, mouth, and nose d. neck, shoulders, and chest
Heritability refers to the extent to which _________ in any trait within a population are attributed to inheritance
a. similarities c. mutations b. differences d. commonalities