Adrian, a graduate student, is learning to use DSM-5 and is surprised to find that there are no official subtypes of schizophrenia given, even though he remembers seeing them in previous DSM versions. Which of the following statements is true regarding th
a. The previous subtypes were strong predictors of the course of the disorder.
b. Recent genetic evidence showed that the subtypes were etiologically distinct syndromes.
c. Evidence has shown that the previous subtypes were not qualitatively different disorders.
d. The subtypes were valid.
Answer: c.
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During the ovulatory phase of the menstrual cycle,
A) estrogen increases, ova ripen, and there is a proliferation of endometrial tissues. B) estrogen reaches peak levels and an ovum is released. C) large amounts of progesterone and estrogen are produced. D) estrogen and progesterone levels plummet.
Exocytosis is the process that results in a. the generation of action potentials
b. the release of neurotransmitters by the presynaptic neuron. c. reuptake of released neurotransmitter substance. d. the interaction of a molecule of neurotransmitter and a receptor site.