Prenatal development is divided into segments. What are these segments called?
a. fetalesters
b. prenatal sections
c. semesters
d. trimesters
Answer: D
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Prior to a patient's completion of a token economy program, the desirable procedure is to
a. substitute real-world rewards, such as praise and approval, for tokens. b. increase the number of tokens received for desirable behaviors. c. withdraw all rewards for desirable behaviors. d. rely more heavily on punishment rather than on positive reinforcement.
By age 2, a baby's brain weighs almost ______ percent of its adult weight and body weight is about ______ percent of adult weight
50; 50 75; 75 75; 20 20; 75
Which of the following is the biological explanation for mood disorders?
a) they are a result of learned helplessness b) they are a result of anger turned inward on oneself c) they are a result of distortions in thinking d) they are a result of an imbalance of brain chemicals
Who was the first to observe the mechanics of place theory in action (in 1951)?
A. Weaver B. Helmholtz C. Rutherford D. Békésy