For chewing coca leaves, why might inhabitants of coca plant regions also place lime in their mouths?
a. They found that the effects of the leaf were greater when they did this.
b. Lime dramatically improved the taste of the coca leaves.
c. Lime produces effects similar to cocaine, thus adding to the effects.
d. The leaf dissolved in the mouth better, improving its texture.
Ans: A
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Gina and Tina are identical twins who were separated at birth and grew up in different families. Which of the following aspects of their lives is more likely to be due to genetic similarities?
a. Both sing alto and are accomplished musicians. b. Both married men who were named Tim. c. Both drive red Mustang convertibles. d. Both use the same shampoo and toothpaste.
Professor King is talking about sleep and tells the class that REM sleep is called paradoxical because _____.
A. it serves restorative functions, and yet the body has no apparent need for it. B. it is light sleep in some ways and deep sleep in other ways C. It depends on serotonin for its onset and acetylcholine for its offset. D. It is associated with dreaming although brain activity is low.
Jasmine needs to remember an 8-line poem for her 5th-grade English class next week. Her mother suggests that she link the first few words from each line with a different part of their home, starting with the front door
. This suggestion is most similar to the memory strategy known as A) an acronym. B) the keyword method. C) the method of loci. D) the pegword method.
Which of the following groups are more likely to contribute their salary to their families?
a. Latinos b. African-Americans c. Asian-American d. All of the above