Neuronal communication is a two-step process. In the second step, which takes place between two neurons, what does the arrival of an action potential at the axon terminal of the first neuron signal?
a. The synthesis of neurotransmitters by specialized enzymes
b. The uptake of neurotransmitters from the extracellular space
c. The enzymatic breakdown of residual neurotransmitters
d. The release of neurotransmitters into the extracellular fluid
ANSWER:
d
You might also like to view...
In 2007–2008, approximately how many children attended Head Start?
100,000 1,000,000 10,000 100,000,000
Bob has long been inspired by sadistic fantasies. To fuel his fantasies and satisfy his need for control and dominance, he tortures and kills prostitutes. According to Fox and Levin, Bob's motivation for his serial murders would best be classified as a need for
A. power. B. revenge. C. loyalty. D. profit.
According to Freud's psychosexual stages of development, castration anxiety occurs during the
A. phallic stage. B. oral stage. C. anal stage. D. genital stage.
A measure of clerical speed is obtained by a test that has respondents alphabetize index cards. The manual for this test cites a split-half reliability coefficient for a single administration of the test of .95. What might you conclude?
A. Clerical speed is too vague a construct to measure. B. The split-half estimate should not have been used in this instance. C. The test is highly reliable. D. The published reliability estimate is spuriously low and would have been higher had another estimate been used.