The nurse is caring for a patient who has a new prescription for levothyroxine.
The nurse will include in the teaching plan that levothyroxine decreases the action of which medication?
Metformin.
Warfarin.
Sertraline.
Methylprednisolone.
The Correct Answer is B
Choice A rationale
Metformin is used to manage diabetes, primarily by improving insulin sensitivity and reducing glucose production in the liver. Levothyroxine, used to treat hypothyroidism, does not significantly impact the action of metformin. The two medications do not have a direct interaction that decreases metformin's efficacy.
Choice B rationale
Levothyroxine can decrease the action of warfarin by increasing the metabolism of clotting factors in the liver, which may reduce the anticoagulant effect of warfarin. This interaction necessitates closer monitoring of INR (International Normalized Ratio) levels and potential dose adjustments of warfarin to maintain its therapeutic effect.
Choice C rationale
Sertraline is an antidepressant that belongs to the selective serotonin reuptake inhibitor (SSRI) class. While it can interact with other medications, levothyroxine does not significantly decrease its action. Therefore, no major adjustments are needed when both drugs are prescribed together.
Choice D rationale
Methylprednisolone, a corticosteroid, is used for its anti-inflammatory and immunosuppressant properties. Levothyroxine does not decrease the action of methylprednisolone. These medications do not have a significant pharmacological interaction that would require adjusting methylprednisolone’s dosage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Increasing the dose of corticosteroids without consulting a healthcare provider can be dangerous as it can cause serious side effects like immunosuppression, weight gain, and high blood pressure. Patients with Cushing's syndrome already have excess corticosteroids and should avoid additional doses.
Choice B rationale
This statement is incorrect as Cushing's syndrome is not related to a thyroid gland tumor. The treatment for Cushing's syndrome often involves removing a tumor from the adrenal gland or pituitary gland, not the thyroid.
Choice C rationale
Resuming physically intense activities like football should be discussed with a healthcare provider. Patients with Cushing's syndrome may have muscle weakness, osteoporosis, and other health issues that could be exacerbated by high-impact sports.
Choice D rationale
Patients with Cushing's syndrome have a weakened immune system due to high corticosteroid levels. Avoiding infections and promptly reporting any signs of illness, like fever, is crucial for their health.
Correct Answer is A
Explanation
Choice A rationale
For a client with severe malnutrition, immediate intervention is necessary to address nutritional deficiencies. Inserting a nasogastric tube and beginning enteral feeding is the first step to provide essential nutrients, stabilize the patient's condition, and prevent further complications from malnutrition.
Choice B rationale
Teaching the patient to increase protein intake and to eat more frequently is important but not the immediate priority in a case of severe malnutrition. This can be addressed after initial stabilization and nutritional support.
Choice C rationale
Total parenteral nutrition (TPN) is an option for patients who cannot tolerate enteral feeding, but initiating strict NPO status without first attempting enteral feeding is not the best initial approach. Enteral feeding is generally preferred if the gastrointestinal tract is functional.
Choice D rationale
Rinsing the mouth with alcohol-based mouthwash before meals is not a priority in managing severe malnutrition. It does not address the immediate need for nutritional support and could be harmful if ingested.
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