A Patient Asks About His Laboratory Test, Which Showed a High

A patient asks about his laboratory test, which showed a high level of thyroid-stimulating hormone (TSH) and a low level of T₄.What is the most accurate explanation?

A) "It means that you have an inconsistency in your thyroid tests, and you will need more testing."
B) "I am sorry.You will have to ask your physician about your laboratory results.We are not allowed to discuss them."
C) "The TSH is sending a message to your thyroid gland to increase production, but your thyroid isn't producing enough hormone."
D) "That means that you will have to go on hormone therapy for the rest of your life."

Correct Answer:

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