Adenosine produces sleepiness by
a. interacting with the suprachiasmatic nucleus
b. promoting the release of melatonin.
c. inhibiting the activity of neurons releasing acetylcholine (ACh), serotonin, and norepinephrine.
d. stimulating the activity of neurons releasing acetylcholine (ACh), serotonin, and norepinephrine.
c
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The type of learning in which an organism responds in a particular way to a neutral stimulus that normally does not bring about that type of response is called
A. habituation B. classical conditioning C. operant conditioning D. modeling
Which of the following birth control methods is least effective in preventing pregnancy?
a. rhythm method b. diaphragm with spermicidal cream c. tubal sterilization d. condoms
Research has found that sharing religious beliefs and spirituality with one's spouse is actually a good way to sabotage a marriage; such issues are better kept private and personal
a. True b. False Indicate whether the statement is true or false
Children's first drawings of easily identifiable objects are most often
a. people shaped like snakes. c. people with geometric shapes. b. people shaped like tadpoles. d. fairly god representations of people.