In familial fatal insomnia, the first signs of sleep disturbance are __________.
A. reductions in K complexes
B. less time spent in REM sleep
C. absence of Stage 1
D. rearranged sleep stages
Answer: A
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Co-regulation can be seen as an extension of ________ parenting
a. authoritarian b. authoritative c. uninvolved d. passive
Rats placed in "amusement park" environments
a. develop comparably to all other rats. b. show significant development of the medulla. c. develop heavier brains than those not in enriched environments. d. show shrinkage of the visual cortex.
Bill and Bob are 22-year-old identical twins. Bill suffers from alcoholism. Using the data cited in your textbook, what are the chances that Bob also struggles with this problem?
A. 6% B. 16% C. 39% D. 99%
A human zygote contains ______ chromosomes from the biological mother and ______ chromosomes from the biological father.
A. 10; 20 B. 23; 46 C. 23; 23 D. 46; 46