The nurse is discussing the feedback loop that regulates thyroid hormone production with a client. Which component of the feedback loop is disrupted in thyroid storm?
Hypothalamus
Pituitary gland
Thyroid gland
Parathyroid gland
The Correct Answer is B
In thyroid storm, the usual negative feedback loop between the hypothalamus, pituitary gland, and thyroid gland is disrupted. The excessive release of thyroid hormones suppresses the secretion of thyroid-stimulating hormone (TSH) from the pituitary gland, leading to uncontrolled thyroid hormone production.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Consuming foods rich in iodine can exacerbate hyperthyroidism and increase the risk of thyroid storm. Iodine is a component of thyroid hormones, and excess intake can worsen thyroid hormone production.
Incorrect choices:
a. This choice is correct. Over-the-counter medications containing pseudoephedrine can stimulate the sympathetic nervous system and exacerbate hyperthyroidism, leading to thyroid storm.
b. This choice is correct. Staying cool in hot weather helps prevent excessive heat stress on the body and minimizes sympathetic nervous system activity that can exacerbate hyperthyroidism.
d. This choice is correct. Reporting signs of infection or illness is important to ensure timely medical attention and prevent potential exacerbation of hyperthyroidism or thyroid storm.
Correct Answer is B
Explanation
Thyroid storm can lead to increased metabolism and utilization of electrolytes, including potassium. Hypokalemia may develop and requires monitoring and correction.
Incorrect choices:
a. Hyperkalemia is not commonly associated with thyroid storm and is less likely to occur.
c. Hypercalcemia is not a typical electrolyte imbalance in thyroid storm.
d. Hypocalcemia is not a typical electrolyte imbalance in thyroid storm.
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