Answer to Question 1
D
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A Postpartum depression is not the normal worries (blues) that many new mothers
experience. Many caregivers believe that postpartum depression is
underdiagnosed and underreported.
B Postpartum psychosis is a rare condition that usually surfaces within 3 weeks of
delivery. Hospitalization of the woman is usually necessary for treatment of this
disorder.
C Bipolar disorder is one of the two categories of postpartum psychosis,
characterized by both manic and depressive episodes.
D Postpartum blues or baby blues is a transient self-limiting disease that is
believed to be related to hormonal fluctuations after childbirth.
Answer to Question 2
A
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A The acid-base system is regulated by chemical buffering, respiratory control of
carbon dioxide, and renal regulation of bicarbonate and secretion of hydrogen
ions.
B Both the kidneys and the lungs, along with the buffering system, contribute to
acid-base balance. Neither system regulates acid or base balances exclusively.
C The cardiovascular and integumentary systems are not part of acid-base
regulation in the body.
D Chemical buffers, the lungs, and the kidneys work together to keep the blood pH
within normal range.
Primary production is constrained by the most limiting factor.
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