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Practice Question

What is the primary purpose of the dexamethasone suppression test?

Answer Choices:

Correct Answer:

To diagnose Cushing's syndrome

Rationale:

🔹 Mechanism: Dexamethasone suppresses cortisol in healthy individuals, but not in Cushing’s syndrome.

🔹 Evaluation: Measures serum or urine cortisol after steroid administration.

🔹 Differentiation: Helps distinguish endogenous cortisol overproduction.

🔹 Other conditions: Addison’s disease involves cortisol deficiency, not suppression testing.

🔹 Monitoring: Provides confirmation for hypercortisolism and guides treatment.

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This question is from Custom Haynes Fall 2025 ADN 252 Exam 4 which contains 44 questions.

More Questions from This Exam
A nurse is providing teaching to a client who has rheumatoid arthritis and a new prescription for methotrexate. Which of the following instructions should the nurse include? (Select all that apply.)

Answer Choices:

A. Take NSAIDS to help minimize the adverse effects of the medication.
B. Report unexplained bruising to the provider.
C. Avoid people who have infections.
D. Expect to feel the medication's effects immediately.
E. Do not drink alcoholic beverages while taking this medication.
Which of the following statements is correct regarding the collection of a 24-hour urine cortisol test?

Answer Choices:

A. It is acceptable to discard the first urine sample at the beginning of the 24-hour period.
B. All urine collected in the 24-hour period should be mixed together in a single container.
C. The urine sample should be kept at room temperature throughout the collection period.
D. The patient should avoid drinking water during the 24-hour collection period.
From Exam
Custom Haynes Fall 2025 ADN 252 Exam 4

44 Questions

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Question Details
  • Category: RN Nursing Exam(s)
  • Subcategory: ATI Exam(s)
  • Domain: RN ATI MedSurg
  • Answer Choices: 4
Q