Which of the following would cause an abnormal loss of Na+ (hyponatremia)? 1. Ascites 2. Excessive sweating or fever 3. Use of certain diuretics 4. Steroid therapy
a. 1 and 4 only
b. 1, 2, and 4 only
c. 1, 2, and 3 only
d. 1, 2, 3, and 4
ANS: C
Abnormal losses of sodium can lead to hyponatremia and may occur for a number of reasons, as shown in Table 13-5.
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