A nurse is teaching a nursing student about the use of leptin for treating obesity. Which statement by the student indicates understanding of the teaching?
a. "Daily injections of leptin appear to stimulate weight loss in the majority of people who use it."
b. "Leptin acts to reduce appetite in patients who are known to be leptin deficient."
c. "Obese patients are almost always leptin deficient and would benefit from this therapy."
d. "Young patients receiving leptin to treat obesity will experience delayed puberty."
ANS: B
Leptin is useful in patients who are leptin deficient but is not useful in patients who are not. Most obese people are not leptin deficient; they generally have high leptin levels and may be leptin resistant. Leptin has no effect in these patients. Leptin stimulates sexual development.
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