Medical Laboratory Scientist (MLS) ASCP Practice Exam

Question: 1 / 400

What is the expected laboratory finding for TSH in patients with Hashimoto's thyroiditis?

Increased

In patients with Hashimoto's thyroiditis, the expected laboratory finding for Thyroid-Stimulating Hormone (TSH) is increased levels. Hashimoto's thyroiditis is an autoimmune condition that leads to the destruction of thyroid gland tissues, resulting in an underactive thyroid or hypothyroidism over time.

As thyroid hormone levels decline due to the compromised function of the thyroid gland, the pituitary gland responds by producing more TSH in an attempt to stimulate the thyroid to produce adequate levels of thyroid hormones (T3 and T4). This compensatory mechanism results in elevated TSH levels in the bloodstream.

In the context of this condition, 'increased' accurately represents the common endocrine response to the reduced thyroid hormone production seen in Hashimoto's thyroiditis, making it the correct answer.

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Decreased

Normal

Variable

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