The smell of a sweaty person of the opposite sex has what effect on heterosexual people?
a. Increased sexual arousal for both men and women
b. Increased sexual arousal for men, but not for women
c. Increased sexual arousal for women, but not for men
d. No increase in sexual arousal for either men or women
b
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You have been given the task of designing an animal that needs to have an efficient nervous system, and the animal can be no larger than a human. What feature can you include in the animal's nervous system to ensure that it can respond quickly to its environment?
A. very short axons B. very long axons C. very wide axons D. myelinated axons
Inhibition occurs when ____
a. ?sodium ions (Na+) flood into the axon of a neuron b. ?the resting potential of a postsynaptic neuron is moved closer to –55 millivolts c. ?a neurotransmitter makes a postsynaptic neuron less likely to fire an action potential d. ?a neurotransmitter makes a presynaptic neuron more likely to fire
A person's sex is determined by
nurture during prenatal development. the 23rd pair of chromosomes. the first pair of chromosomes. hormones released during prenatal development.
Nairne's juggler metaphor of short-term memory makes the basic assumption that
information a. only exists in one form. b. must be modified before it can be stored. c. must remain "in the air" for a fixed period of time. d. decays. e. expands.