Which of the following statements best describes an action potential?
a. The action potential is strongest when neurilemma is present.
b. The action potential starts near the synapse.
c. The action potential occurs when neurotransmitters enter the axon.
d. The action potential is an all-or-nothing event.
D
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After a neuron fires, about how long is its refractory period?
a. one-thousandth of a second b. one-hundredth of a second c. one-tenth of a second d. one second e. one-thousandth of a minute
Opiate drugs act by mimicking which neurotransmitter system?
a. endorphin b. serotonin c. dopamine d. acetylcholine
After getting wet, Angelo's dog shook off the water. His dog's behavior depends on ____.
A. central pattern generator B. stretch reflex C. motor program reflex D. a Golgi tendon organ
Imagine you are a psychologist trying to uncover the causes of schizophrenia. How would you approach this question from the perspective of a psychological detective?
What will be an ideal response?