A Primary Adenoma Causes Thyroid and Adrenal Hypofunction Because the Tumor

question 29

Multiple Choice

A primary adenoma causes thyroid and adrenal hypofunction because the tumor:

• A)metastasizes to the thyroid and adrenal glands through the lymphatic system causing reduced secretion of necessary hormones.
• B)has a paradoxical effect on adjacent cells, which results in hyposecretion of other anterior pituitary hormones.
• C)invades the hypothalamus adjacent to it and causes a reduction in the amount of hormones produced.
• D)releases tumor markers that occupy the hormone receptor sites of other endocrine organs.

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