Which of the following is an expected change in an older patient? A) Thyroid stimulating hormone (TSH)secretion below normal B) Triiodothyronine (T₃)level below normal C) Cortisol level above normal D) Adrenocorticotropin hormone (ACTH)level above normal

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It is common for TSH secretion to decrease in older adults, leading to lower thyroid hormone levels. This is known as subclinical hypothyroidism, which is present in up to 20% of older adults. Answer: B T₃ levels may also decrease with age, but this is not as common as decreased TSH secretion. Answer: C There is no expected increase in cortisol levels in older adults, and in fact, cortisol secretion may decrease with age. Answer: D There is no expected increase in ACTH levels in older adults, and in fact, ACTH secretion may decrease with age.

Which of the Following Is an Expected Change in an Older