The brief period of time after a neuron has fired an action potential when the neuron is unlikely to fire another action potential is known as the:
A. threshold of excitation.
B. resting potential.
C. postsynaptic break.
D. refractory period.
Answer: D
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The rate of coronary heart disease is five times greater in Japanese Americans who become acculturated than in those who retain their traditional values. This fact supports which view of psychophysiological disorders?
a. sociocultural c. psychological b. biological d. social
A researcher plans to conduct a research study comparing two treatment conditions with a total of 20 participants. Which of the following designs would produce 20 scores in each treatment?
a. An independent-measures design b. A repeated-measures design c. A matched-subjects design d. All of the other options would produce 20 scores in each treatment.
The perception of both smell and taste begin with the activity of the:
a. retinal cells b. chemoreceptors c. olfactory units d. somatosensory neurons
In your psychology textbook, each chapter opens with a chapter survey that includes all of the following EXCEPT the
a. Journey Theme. b. Journey Questions. c. short opening story. d. Think Critically Questions.