David's wife, Esther, recently died. If David is like most recently widowed older adults, his greatest problem is most likely

Based on the results of Milgram's studies where a "teacher" gave fake electric shocks to a "learner," we can conclude that the tendency to obey authority __________

a) was very strong in 1963 but not nearly as strong in today's modern world. b) is stronger if the authority figure is a male than it is if the figure is a female. c) is strong, but can be weakened if more than one individual resists. d) is stronger for females than it is for males.

What was the result of blocking Nogo-A in monkeys with surgically induced spinal cord damage?

a. There was no change in any motor function. b. Monkeys recovered 80% of the use of their paralyzed hands. c. The non-paralyzed hand became more functional, but no changes were observed in the paralyzed hand. d. Reversal of paralysis occurred in 50% of the monkeys in the study.