During the period of the embryo, the __________ becomes the __________
A) mesoderm; nervous system, lungs, internal organs, and skin
B) chorion; endocrine system, muscles, placenta, and skeleton
C) ectoderm; circulatory system, skin, skeleton, and internal organs
D) endoderm; digestive system, lungs, urinary tract, and glands
Answer: D
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A population of N = 5 scores has ?X = 20 and ?X2 = 100 . For this population, what is the value of SS?
a. 20 c. 100 b. 80 d. 380
Of children who experience and survive war in their neighborhoods, ________ have been reported to display posttraumatic stress disorder (PTSD)
a. minimal numbers c. substantial numbers b. average numbers d. almost none
Psychological screening of police candidates assesses A. psychopathology that may interfere with officers' abilities to perform their duties
B. officers' attitudes toward other races. C. both A and B D. none of the above
Generally speaking, courts A. have upheld the legality of psychological screening of police candidates. B. have ruled that psychological screening of police candidates violates civil rights acts
C. have not considered the legality of psychological screening of police candidates. D. have ruled that psychological screening of police candidates must focus on eliminating individuals who appear least suited for police work and notfocus on choosing candidates deemed most psychologically fit.