A nurse is caring for a client who has a sulfonamide allergy. Which of the following medications should the nurse identify as contraindicated?

Famotidine

Aspirin

Metronidazole

Glyburide

Answer and Explanation

The Correct Answer is D

A. Famotidine is an H2 receptor antagonist used to treat conditions like ulcers and gastroesophageal reflux disease (GERD). It does not contain sulfonamide and is generally safe for patients with sulfonamide allergies.
B. Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) used for pain relief, fever reduction, and anti-inflammatory purposes. It does not contain sulfonamide and is not contraindicated for patients with sulfonamide allergies.
C. Metronidazole is an antibiotic used to treat various infections, including those of the gastrointestinal tract and the reproductive system. It does not contain sulfonamide and is safe for patients with sulfonamide allergies.
D. Glyburide is a sulfonylurea used to treat type 2 diabetes by increasing insulin production in the pancreas. It contains sulfonamide and can cause allergic reactions in patients with sulfonamide allergies, making it contraindicated.

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Correct Answer is C

Explanation

A. Zinc is not known to significantly interfere with the absorption of levothyroxine. While it is important to consider potential interactions with any supplement, zinc does not require a specific time gap when taken with levothyroxine.
B. Vitamin C does not interfere with the absorption of levothyroxine. In fact, some studies suggest that vitamin C might enhance the absorption of levothyroxine, but it does not necessitate a waiting period.
C. Calcium is known to interfere with the absorption of levothyroxine. Calcium supplements can bind to levothyroxine in the gastrointestinal tract, reducing its absorption. Therefore, it is recommended to wait at least 4 hours after taking levothyroxine before consuming calcium supplements.
D. Ginkgo biloba does not have a significant interaction with levothyroxine. While it is always good practice to monitor for any potential interactions, ginkgo biloba does not require a specific waiting period when taken with levothyroxine.

A. Use the Z-track method to administer the medication. B. Grasp skin between thumb and forefinger throughout the injection. C. Gently massage the site following the injection. D. Aspirate the syringe prior to injecting the heparin.

Correct Answer is B

Explanation

A. Use the Z-track method to administer the medication is typically used for intramuscular injections to prevent medication from leaking back into the subcutaneous tissue. It is not appropriate for subcutaneous heparin injections and does not help minimize bleeding.
B. Grasp skin between thumb and forefinger throughout the injection helps to stabilize the tissue and ensure the medication is delivered into the subcutaneous layer. This technique can help minimize bleeding and bruising by reducing tissue trauma during the injection.
C. Gently massage the site following the injection is not recommended for heparin injections as it can increase the risk of bleeding and bruising. Massaging the site can cause the medication to spread into the surrounding tissue, leading to hematoma formation.
D. Aspirate the syringe prior to injecting the heparin is not necessary for subcutaneous injections and can increase the risk of bleeding. Aspiration is typically done for intramuscular injections to ensure the needle is not in a blood vessel, but it is not required for subcutaneous heparin administration.

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A nurse is caring for a client who has a sulfonamide allergy. Which of the following medications should the nurse identify as contraindicated?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is taking a medication history from a client who has a new prescription for levothyroxine. The nurse should instruct the client to wait 4 hours after taking levothyroxine before taking which of the following supplements?

Correct Answer is C

Explanation

A nurse is preparing to administer heparin subcutaneously to a client. Which of the following actions should the nurse plan to take to minimize bleeding following the injection?

Correct Answer is B

Explanation

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