The healthcare provider has ordered a radioactive iodine (RA) uptake exam for a client who has complained of constipation, fatigue, and weight gain. The client asks the nurse to explain again why this test has been ordered in relation to these symptoms. Which is the nurse's BEST response to this client?
A. "This test is used to check all of the endocrine glands that could cause you to have these symptoms."
B. "Your symptoms are related to possible problems with your adrenal gland, so this test will evaluate if this is the problem."
C. "Your symptoms are suggestive of a thyroid problem. Iodine is taken up exclusively by the thyroid gland, so it is used to evaluate if this gland is responsible for your problems."
D. "The pituitary gland puts out iodine that is taken up by the thyroid, so this test will tell if your thyroid is producing enough of this."
Answer: C
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