Depression can cause the following physiological changes:
A. Lack of appetite or overeating
B. Avolition or agitation
C. Insomnia or hypersomnia
D. All of the above
ANS: D
Depression can present in a variety of ways, and the cluster of symptoms can vary markedly from one individual to the next. For example, depression may cause severe sleep disturbance for one individual and hypersomnia in another. Some individuals with depression complain of weight gain, whereas others lose weight because they find it hard to eat. Avolition is a common presenting feature in depression, but some individuals experience restlessness and agitation.
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