Of the following, the only symptom that both patients with narcolepsy and patients with hypersomnia experience is
a. falling asleep during normal waking hours.
b. sudden loss of muscle tone
c. sleep paralysis.
d. hypnagogic hallucinations.
a
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When a test is administered to the general population, norms should be established using a representative sample that a. has been administered the test under standard conditions
b. has been chosen in a completely random fashion. c. represents all segments of the population in proportion to their numbers. d. is comprised of a great many individuals.
Worldwide, about 10 percent to about ____ percent of women report being physically assaulted or raped
a. 25 b. 40 c. 55 d. 70
Simons and Chabris showed participants a film of two basketball teams, one wearing black shirts and the other wearing white. Observers were asked to watch the film closely and count how many times a basketball passed between members of one of the teams, while ignoring the other team. As the observers watched and counted, a person wearing a gorilla suit walked into the middle of the basketball
game, faced the camera, thumped its chest, and walked out of view. Which of the following occurred? a. All of the participants lost count of the number of basketball passes because of the unexpected appearance of the gorilla. b. Half of the participants failed to notice the gorilla's appearance. c. All of the participants failed to notice the gorilla's appearance. d. Only the female participants noticed the gorilla.
The blood-brain barrier:
a. Is a valve-like structure that prevents the peripheral blood from mixing with the cerebrospinal fluid b. Is formed by pores in the blood vessel walls that control which molecules can pass through c. Does not allow lipid soluble drugs to enter the brain d. Requires special transporters to move amino acids and vitamins into the brain