Which structure is like a locked door that only certain neurotransmitter keys can unlock?
A) synapses
B) receptors
C) neural chiasms
D) response terminals
Answer: B
Rationale: A lock-and-key analogy is sometimes used to explain how neurotransmitters and their receptors work: When neurotransmitters are released at the axon terminal they cross the synapse and fit like a key in a receptor on the dendrite.
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One study had participants view tapes of dental surgery after studying a word list. This study concluded that:
a. emotional videos have no effect on memory. b. emotional videos can enhance memory, but only for material related to the video itself. c. emotional videos can enhance memory even for unrelated material. d. emotional videos can enhance memory for related material, while reducing memory for unrelated material.
Freud considered the distinction between manifest content and latent content essential for
a. developing a healthy personality. b. understanding dreams. c. the development of the id, ego, and superego. d. reaching self-actualization.