Glucose Regulation Practice Test 2025 – Complete Exam Prep

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What action should a nurse take if a client took metformin before a procedure with iodine-based contrast?

Administer the medication as scheduled

Contact the healthcare provider

When a client has taken metformin prior to a procedure involving iodine-based contrast, the appropriate action is to contact the healthcare provider. This is crucial because metformin can increase the risk of lactic acidosis, especially if there is a contrast-induced kidney injury. After the administration of iodine-based contrast, the function of the kidneys can be temporarily impaired, elevating the risk of complications associated with metformin.

Healthcare providers typically recommend withholding metformin for 48 hours before and after the procedure to ensure kidney function is monitored and to minimize the risk of lactic acidosis. By informing the healthcare provider, the nurse enables an evaluation of the client's situation and can obtain directive orders that are specific to the client's needs in relation to the contrast procedure. This proactive communication is essential for the safety and well-being of the client.

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Delay the procedure

Notify the pharmacy

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