Sense receptors for vision, hearing, and taste are:
a. extensions of sensory neurons.
b. specialized cells separated from sensory neurons by synapses.
c. modified axons of sensory neurons.
d. modified skin cells connected to sensory neurons.
Answer: b
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In which way are conditioned taste aversions unusual, compared to other learning?
a. Learning occurs more readily for isolated individuals than those in a social group. b. Learned associations are rapidly forgotten in the absence of frequent reminders c. Learning occurs easily even with a long delay between the events to be associated. d. Both infants and older individuals learn better than adolescents and young adults do.
If you see distant objects clearly but close objects appear blurry, you are:
A. nearsighted B. farsighted C. normal D. abnormal
According to research performed by Bray and Bouchard, _____
A) more than two out of three adult Americans are overweight B) obesity is not linked to hypertension C) less than 10 percent of Americans are overweight D) people with high fat-to-muscle ratios metabolize food quickly
One example where the U.S. interest in international drug control has conflicted with national security issues is
A. opium growing in Afghanistan. B. coca growing in Peru. C. marijuana growing in China. D. MDMA (ecstasy) smuggling in Europe.