The nodes of Ranvier are:
a. a network of fibers within the medulla associated with attention and alertness
b. tiny areas on the surface of the soma that are sensitive to neurotransmitters
c. small sacs found in the axon terminal that store neurotransmitters
d. gaps in the myelin sheath that allow the neural signal to travel at a greater speed
D
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Creighton has been working in construction for many years. At first, his co-workers warn him to wear earplugs, but he refuses. Now he can no longer hear sounds at high pitches. Creighton's ____ have been damaged.?
a. ?hair cells b. ?conduction bones c. ?semicircular canals d. ?oval and round windows
Which of the following is NOT likely the concern of sociocultural psychologists?
a. alcohol abuse among ethnic minority groups b. color perception c. gender roles d. racial bias
What is the most common period of life for cancer?
a. emerging adulthood b. young adulthood c. middle adulthood d. late adulthood
In women, the enzyme alcohol dehydrogenase is found at:
A) higher levels in the brain, making them more susceptible to becoming intoxicated B) higher levels in the liver, making them more likely to develop cirrhosis. C) lower levels in the fatty tissue, making them more likely to retain alcohol. D) lower levels in the stomach, making them more susceptible to becoming intoxicated.