Which aspect of the activated receptor tells the brain how strong an odor is?
a. shape
b. number
c. location
d. size
ANSWER: b
You might also like to view...
In one study, more active fetuses during the third trimester became 2-year-olds who
A) were easily overwhelmed by sensory stimulation. B) had trouble establishing a regular sleep–wake pattern. C) had irregular eating schedules. D) were less fearful.
Which of the following terms describes the capacity to engage in a supportive, affectionate relationship without losing one's own sense of self?
A) Attachment B) Identity infusion C) Intimacy D) Generativity
Which statement is consistent with an evolutionary view of groups?
a. In most societies, humans tend toward individuality rather than sociality. b. Studies show that human infants must be taught to form attachments to other humans, including their parents. c. Protracted periods of social isolation have no effect on humans. d. Evidence suggests that cooperative group life is a more evolutionary stable strategy than competition and individualism. e. Children raised in isolation lack the ability to form warm relations with others.
"All or none" is the principle stating that __________.
A. a neuron either fires or does not fire B. a neuron fires at full strength or not at all C. all the dendrites must be receiving messages telling the neuron to fire or it will not fire at all D. all somas must be receiving messages telling the neuron to fire or it will not fire at all