What is the synaptic cleft?
a. the gap between the presynaptic neuron and the postsynaptic neuron
b. a packet that stores neurotransmitter molecules for release
c. a subthreshold depolarization mechanism
d. the long-term storage location for calcium ions
a
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Collette is in a crowded room and starts to feel as if she cannot breathe. Her heart rate is increasing, and she thinks she is going to have a heart attack. This has happened before when she is in similar situations. Collette is experiencing ____
a. a psychotic break b. depression c. a panic attack d. arachnophobia
Which of the following changes would you expect to occur in someone whose parietal lobes were damaged in an accident?
a. development of blind spots in the visual field b. reduced capacity to hear sounds c. reduced reasoning and planning abilities and changes in personality d. inability to sense hot and cold
Which statement about leptin is TRUE?
A) It is produced in the stomach. B) It signals the brain to switch hunger on. C) When injected into rats, it leads to obesity. D) It decreases the reinforcing value of food.
Which of the following situations is likely to be somewhat threatening to self-esteem?
a. Tony loves to play tennis, and being able to play the game well is an important part of his self-identity. His best friend also enjoys tennis and has just won a championship. b. Penny plays golf very well, although she seldom plays anymore unless she considers doing so to be important to her job. Her best friend also enjoys golf and has just placed first in an important tournament. c. Mary has just won first place in a guitar competition. Her best friend has won first place in a swim meet. d. all of the above e. a and b