A patient with long-term asthma develops Cushing syndrome. What is the cause of this condition?

Abruptly withdrawing cortisone therapy

Poorly functioning adrenal glands

Lacking ACTH, related to the pituitary gland

Taking corticosteroids for many years

Answer and Explanation

The Correct Answer is D

A. Abruptly withdrawing corticosteroid therapy can lead to adrenal insufficiency, not Cushing syndrome.
B. Poorly functioning adrenal glands cause Addison’s disease, not Cushing syndrome.
C. Lacking ACTH leads to secondary adrenal insufficiency, not Cushing syndrome.
D. Taking corticosteroids for many years can result in exogenous Cushing syndrome due to prolonged exposure to high cortisol levels, which mimic the effects of endogenous Cushing syndrome.

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Correct Answer is B

Explanation

A. A 2-hour blood glucose of 132 mg/dL is within normal limits, as levels under 140 mg/dL are considered normal after an oral glucose tolerance test.
B. A fasting blood glucose level of 155 mg/dL is above the normal threshold (greater than 126 mg/dL indicates diabetes).
C. A casual blood glucose of 178 mg/dL suggests hyperglycemia but does not meet the diagnostic criteria for diabetes unless associated with symptoms.
D. An HbA1c of 5.2% is well within the normal range (below 5.7%).

A. Vitamin D 25 ng/mL B. Calcium 9.8 mg/dL C. Magnesium 1.8 mEq/L D. Phosphate 5.7 mg/dL

Correct Answer is D

Explanation

A. Vitamin D levels may be normal or low in hypoparathyroidism, but this value is within the expected range.
B. Calcium levels are expected to be low in hypoparathyroidism. A calcium level of 9.8 mg/dL is within the normal range (8.5 to 10.5 mg/dL), which is not consistent with hypoparathyroidism.
C. Magnesium levels are often normal or low in hypoparathyroidism, but this value is within the normal range.
D. Hypoparathyroidism results in hypocalcemia and hyperphosphatemia due to insufficient parathyroid hormone (PTH) secretion. A phosphate level of 5.7 mg/dL is elevated, which is consistent with this condition.

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A patient with long-term asthma develops Cushing syndrome. What is the cause of this condition?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is checking the laboratory results of a client who is at risk for diabetes mellitus. Which of the following laboratory results indicates to the nurse that the client is at risk for diabetes mellitus?

Correct Answer is B

Explanation

A nurse is reviewing the laboratory report of a client who has hypoparathyroidism. The nurse should expect which of the following values?

Correct Answer is D

Explanation

A nurse is assisting with the plan of care for a client who had a subtotal thyroidectomy. In which of the following positions should the nurse plan to place the client?

A nurse is reviewing the laboratory report of a client who has hyperparathyroidism. The nurse should expect which of the following findings?

A nurse is reviewing nutrition therapy with a client who has Cushing's disease. Which of the following dietary modifications should the nurse include in this discussion?

A nurse is collecting data from a client who has Cushing's syndrome. Which of the following findings should the nurse expect?

A nurse is preparing to administer levothyroxine 100 mcg PO to a client who has hypothyroidism. Available is levothyroxine 50 mcg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is collecting data from a client who has Cushing's syndrome. Which of the following findings should the nurse expect?

A nurse is reinforcing teaching about exercise with a client who has type 1 diabetes mellitus. Which of the following statements by the client indicates an understanding of the teaching?