Under which conditions would the sodium-potassium pump likely be far less effective in creating a concentration gradient?
A. if dendrites were generally longer than axons
B. if the glia-to-neuron ratio were higher
C. if selective permeability of the membrane did not exist
D. if it were an active transport system that required energy
Answer: C
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Goal emulation differs from true imitation in that
a. in true imitation but not goal emulation, an observer may learn a different method than one utilized by the demonstrator. b. in goal emulation but not true imitation, an observer may learn a different method than the one utilized by demonstrator. c. in goal emulation, an observer will copy the behavior of the demonstrator even if it leads to an aversive event. d. goal emulation is more common in humans whereas imitation is more common in nonhuman primates.
Mary Ainsworth posited that the way in which a child attaches to his parents (securely or insecurely) predicts the quality of attachment in his or her adult relationships. This addresses the basic question of
A) universality. B) continuity. C) malleability. D) integrity.
In the nineteenth century, the discovery of syphilis helped scientists understand that
a) psychological disorders could be contagious and transmitted through human-to-human contact. b) the spread of bacteria caused most psychological disorders c) mental illness was caused by ruptured blood vessels in the brain. d) a physical disease could cause a psychological disorder.
Posttraumatic stress disorder is caused by exposure to a situation of extreme danger, trauma, and stress
Indicate whether the statement is true or false.