Chemicals released by the immune system that attack infections and communicate with the brain to elicit anti-illness behaviors are ____.

A. macrophages
B. cytotoxic cells
C. cytokines
D. natural killer cells


Answer: C

Psychology

You might also like to view...

Children who are highly responsive and show strong emotional reactions to novel stimuli are more likely to be ____ adults.?

a. ?cautious and anxious b. ?psychopathic c. ?depressed d. ?highly intelligent

Psychology

____________ neurotransmitters make it more likely that a neuron will fire a message, whereas _____________ neurotransmitters make it less likely that a neuron will send its message

a) Excitatory; inhibitory b) Inhibitory; excitatory c) Augmentation; depletion d) Depletion; augmentation

Psychology

In every culture, there are people who push the limits of consciousness and seek altered states of experience. What choices are available with respect to expanding the normal boundaries of consciousness?

Describe the possibilities, including in your description information about lucid dreaming, hypnosis, meditation, and psychoactive drugs. What will be an ideal response?

Psychology

Which of the following supports the evolutionary theory of gender role development?

a) Men are more interested in sexual fidelity and women in emotional fidelity. b) Equality of economic status for women reduces the differences in mate selection criteria. c) The higher a woman's economic status, the more likely she is to marry. d) In today's world, men are more interested than ever in a woman's earning potential.

Psychology