. A nurse is reinforcing teaching with a client who is scheduled for a blood test to measure her thyroid-stimulating hormone (TSH) level. Which of the following statements should the nurse give?

"This test measures the absorption of iodine and how it relates to the thyroid gland."

"The test determines whether your thyroid gland is overactive, appropriately active, or underactive."

"This test detects antithyroid antibodies in your blood."

"This test measures the amount of thyroid hormone that attaches to a protein in your blood."

Answer and Explanation

The Correct Answer is B

A. "This test measures the absorption of iodine and how it relates to the thyroid gland.": This describes a radioactive iodine uptake (RAIU) test, not TSH testing.

B. "The test determines whether your thyroid gland is overactive, appropriately active, or underactive.": A TSH test evaluates thyroid function by measuring the pituitary gland’s response to circulating thyroid hormone levels.

C. "This test detects antithyroid antibodies in your blood.": This describes a thyroid antibody test, which is used to diagnose autoimmune thyroid conditions like Hashimoto’s thyroiditis or Graves’ disease.

D. "This test measures the amount of thyroid hormone that attaches to a protein in your blood.": This describes a thyroid hormone-binding ratio test, not TSH.

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Correct Answer is B

Explanation

A. Has no peak: NPH insulin has a distinct peak time, unlike long-acting insulins such as glargine or detemir, which have no peak.

B. 4 to 14 hr: NPH insulin is an intermediate-acting insulin with an onset of 1-2 hours, a peak between 4-14 hours, and a duration of 16-24 hours.

C. 1 to 5 hr: This timeframe describes the peak of short-acting insulins such as regular insulin.

D. 30 min to 3 hr: This timeframe describes the peak of rapid-acting insulins such as lispro, aspart, or glulisine.

A. Serum potassium 4.8 mEq/L (3.5 to 5.0 mEq/L) B. Serum sodium 138 mEq/L (136 to 145 mEq/L) C. Calcium level of 10.0 mg/dL (9.0 to 10.5 mg/dL) D. Serum glucose 58 mg/dL (74 to 106 mg/dL)

Correct Answer is D

Explanation

A. Serum potassium 4.8 mEq/L (3.5 to 5.0 mEq/L): A normal potassium level suggests effective treatment of hyperkalemia.

B. Serum sodium 138 mEq/L (136 to 145 mEq/L): This is within the normal sodium range and unrelated to the adverse effects of insulin therapy.

C. Calcium level of 10.0 mg/dL (9.0 to 10.5 mg/dL): This is within the normal calcium range, unaffected by insulin therapy for hyperkalemia.

D. Serum glucose 58 mg/dL (74 to 106 mg/dL): Hypoglycemia is a potential adverse effect of insulin therapy because insulin drives glucose into cells, lowering blood sugar.

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. A nurse is reinforcing teaching with a client who is scheduled for a blood test to measure her thyroid-stimulating hormone (TSH) level. Which of the following statements should the nurse give?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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