The medulla controls a number of reflexes through ____
a. the midbrain
b. the forebrain
c. cranial nerves
d. skeletal nerves
c
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Temporal summation most likely occurs with ____
a. infrequent, subthreshold excitation b. rapid succession of stimuli that each exceed threshold c. infrequent, inhibitory stimuli d. rapid succession of subthreshold excitation
Which conclusion is most appropriate regarding the relationship between hostility and coronary heart disease?
a. ?Hostility causes coronary heart disease. b. ?Hostile individuals have greater risk of heart disease than nonhostile people. c. ?Coronary heart disease causes hostility. d. ?Biological predisposition causes hostility, which in turn causes coronary heart disease.
A psychologist is studying gender relationships in childhood and early adolescence. Students from each grade are separately observed during lunchtime at school in order to assess their seating preferences. The researcher is conducting a _______
a. cross-sectional study. b. longitudinal study. c. single-blind study. d. double-blind study.
A statistic that helps predict whether adolescents will feel a sense of membership in their school is
A) annual spending per student. B) the football team's win-loss record C) the ratio of teachers to students. D) None of the above.