When an action potential reaches the end of an axon, the depolarization causes what ionic movement in the presynaptic cell?
A. Sodium out of the cell
B. Lithium out of the cell
C. Iron into the cell
D. Calcium into the cell
Answer: D
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Which statement concerning child-parent relationships in older age is true?
a. Aging fathers tend to be closer to their sons than aging mothers are to their daughters. b. Most older parents would prefer to live with their children not near their children. c. Hispanic and African-American elders enjoy more supportive relationships with their children than European-American elders. d. Relationships between the generations are seldom affectionate.
One of the most common psychosomatic symptoms is:
A. thinking you are ill when, in fact, you are not B. fidgeting C. hyperactivity D. stomach problems
Sophia notices that children seem to mature socially much faster in Argentina than in the United States. Sophia is most likely to support a ____ position regarding human development
a. nature b. discontinuous c. context-specific d. continuous
It is often possible to reduce the variance in a between-subjects design by using a participant variable such as age or gender as a second factor
a. True b. False Indicate whether the statement is true or false