Which statement is true of ion distribution across the axon membrane?
A. Sodium ions are concentrated outside the axon membrane.
B. Potassium ions are concentrated outside the axon membrane.
C. Chloride ions are concentrated inside the axon membrane.
D. Sodium ions are concentrated inside the axon membrane.
Answer: A
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Regarding the erogenous zones, which of the following statements is FALSE?
a. Human sexual arousal often involves mental elements. b. Human sexual arousal often occurs during urological or gynecological exams, much to the embarrassment of the patients. c. Human erogenous zones include the ears and mouth. d. Human sexual arousal may be produced by direct stimulation of the body's erogenous zones.
What kind of research has supported the notion that adolescents' moods are less stable than those of adults?
A. surveys and questionnaires B. personal interviews C. experience sampling D. observation in controlled settings
Recent studies indicate that HIV-1 originated from
a. a contaminated polio vaccine b. chimpanzees c. germ research laboratories d. none of the above
Emotional regulation is informally referred to as ________.
Fill in the blank(s) with the appropriate word(s).