How manychromosomes does a normal person have?
A) about 100,000
B) 46
C) 23
D) 2
B
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In early childhood, kids spend ____ in physical activity, about ____ per week
a. little time? 5 hours b. a moderate amount of time? 10 hours c. quite a bit of time? 25 hours d. most of their time? 40 hours
The use of brain pacemakers to treat depression is associated with which technology for studying the brain?
a. ?CAT scans b. ?PET scans c. ?fMRI d. ?brain stimulation
Which of the following is NOT assessed with the Apgar scale?
a. pulse c. brainwave activity b. muscle tone d. skin color
The "prisoner's dilemma" game is an excellent vehicle for studying social conflicts in the laboratory because
a. the rules of the game pit self-interest against looking out for someone else's interest. b. researchers control the strategies participants use. c. there is one and only one right answer to the problem. d. there are clear winners and clear losers, and thus reliable dependent variable measures.