The concept of instinct has been redefined with the idea of:
A. fixed action patterns
B. homeostatic mechanisms
C. extrinsic motives
D. intrinsic motives
Answer: A
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___ groups tend to be more cohesive than ___ groups.
a. Larger; smaller b. Closed; open c. Disorganized; structured d. Stratified; nonhierarchical e. Social; task-focused
When drugs like barbiturates or tranquilizers are mixed with alcohol, their effects are multiplied, due to a
a. binge effect. b. drug interaction. c. drug overload. d. lethal side effects.
Which philosophical school argues that the search for knowledge is impossible, or that even if it is possible, the knowledge could not be communicated?
a. relativism c. monism b. materialism d. nihilism
Ali is in the hospital about to undergo a brain-imaging process that involves taking many X-rays from different angles aided by the use of a computer. What type of imaging technique is being used?
a) electroencephalography (EEG) b) magnetic resonance imaging (MRI) c) positron-emission tomography (PET) d) computerized axial tomography (CT)