A client admitted to the hospital with chest pain and a history of type 2 diabetes mellitus is scheduled for a CT scan with contrast. Which medication must be withheld 24-48 hours before and restarted 48 hours after the procedure?

Metformin (Glucophage)

Glipizide

Regular insulin

Repaglinide (Prandin)

Answer and Explanation

The Correct Answer is A

A. Metformin is withheld before and after contrast studies to reduce the risk of lactic acidosis if kidney function is impaired.
B. Glipizide does not have this contraindication with contrast media.
C. Insulin therapy is adjusted based on blood glucose levels and is not routinely withheld.
D. Repaglinide is not contraindicated with contrast agents and does not require withholding.

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Correct Answer is C

Explanation

A. The nurse does not determine the presence or absence of mental illness; this is a medical assessment.
B. The spouse’s agreement is not required for the client’s consent; consent must come directly from the client if competent.
C. The nurse’s signature as a witness confirms that the client appears competent and voluntarily signs the consent form.
D. It is the provider’s responsibility, not the nurse’s, to explain the risks and benefits of the procedure.

A. sodium bicarbonate B. calcium chloride C. insulin and glucose D. potassium chloride

Correct Answer is B

Explanation

A. Sodium bicarbonate is used to correct metabolic acidosis, not hypocalcemia.
B. Calcium chloride is used to treat hypocalcemia, which is indicated by confusion, hallucinations, and a positive Chvostek sign.
C. Insulin and glucose are used to treat hyperkalemia.
D. Potassium chloride is used to correct hypokalemia, not hypocalcemia.

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A client admitted to the hospital with chest pain and a history of type 2 diabetes mellitus is scheduled for a CT scan with contrast. Which medication must be withheld 24-48 hours before and restarted 48 hours after the procedure?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a preoperative client. The nurse signs as a witness on the client's consent form. Which of the following does the nurse's signature on the consent form indicate?

Correct Answer is C

Explanation

A client is demonstrating confusion, hallucinations, and a positive Chvostek sign. Which medication(s) should the nurse anticipate administering to this client?

Correct Answer is B

Explanation

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