The nurse is caring for a 57-year-old woman who is complaining about gaining so much weight after menopause and suggests that thyroid hormone replacement would help her lose weight and speed up her metabolism. What is the nurse's best response?
A) "Inducing a state of hyperthyroidism would result in weight loss."
B) "People who are not hypothyroid should not take thyroid hormones."
C) "People who take thyroid hormones without cause will end up damaging their heart."
D) "The body compensates for the extra hormone by reducing the amount secreted."
D
Feedback:
Taking thyroid hormone with normal thyroid function results in disruption of the hypothalamic–pituitary–thyroid control resulting in decreased production of thyrotropin-releasing hormone (TRH) and thyroid-stimulating hormone (TSH) as the hypothalamus and pituitary sensed the rising levels of thyroid hormone. Because the thyroid was no longer stimulated to produce and secrete thyroid hormone, thyroid levels would actually fall. This would put the patient at greater risk of gaining weight. There is no evidence it would cause heart damage. Because thyroid hormone production is reduced, a state of hyperthyroidism is not induced. Even though the statement that people who are not hypothyroid should not take thyroid hormones is correct, it does not provide enough information to dissuade this patient from a dangerous practice.
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