Which of the following provide nutrients and insulating myelin,guide neural connections,and clean up after neurons communicate with one another?

A) glial cells
B) neural impulses
C) motor neurons
D) myelin sheath

Orgasmic dysfunction is one form of

A) erotic plasticity.
B) STI.
C) refractory period.
D) sexual disorder.

The darkened area around the nipple is called the

A) auricle.
B) atrium.
C) alveoli.
D) areola.

In Watson and Rayner's experiment,the loud noise was the ________ and the white rat was the ________.

A) CS; CR
B) US; NS
C) NS; US
D) US; CR

Although Sue Yen sees her chemistry professor several times a week,she didn't recognize the professor when she saw her in the grocery store. This best illustrates the importance of

A) relative luminance.
B) context effects.
C) interposition.
D) perceptual adaptation.

Brain regions that are active as rats learn to navigate a maze show similar activity patterns again as the rats later experience

A) REM sleep.
B) hypnagogic sensations.
C) slow-wave sleep.
D) sleep spindles.