The nurse is caring for a patient with myxedema coma who has an order for levothyroxine intravenous bolus.

The order reads levothyroxine 0.5 mg intravenous bolus at a rate of 100 mcg/min.

The nurse will administer the medication over how many minutes? Fill in the blank with the numerical value only.

Answer and Explanation

The Correct Answer is ["5"]

The correct answer is 5.

Step 1 is 0.5 mg × 1000 mcg ÷ 1 mg = 500 mcg.

Step 2 is 500 mcg ÷ 100 mcg/min = 5 min.

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Correct Answer is B

Explanation

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.

A. Schedule the patient for annual prophylactic radiation therapy to the affected breast. B. Educate the patient about the need for routine mammography screening. C. Coordinate with the hospice team to complete the patient's advanced directives. D. Teach the patient that they no longer need survivorship care after five years of remission.

Correct Answer is B

Explanation

Choice A rationale

Routine prophylactic radiation therapy is not recommended for breast cancer survivors as it can lead to additional health issues such as secondary cancers and tissue damage. It is not a standard survivorship care practice.

Choice B rationale

Regular mammography screenings are crucial for early detection of breast cancer recurrence or new primary breast cancers. It is a standard component of survivorship care.

Choice C rationale

Coordinating with hospice care is more relevant for end-of-life care rather than survivorship care. Survivorship care focuses on maintaining health and monitoring for recurrence, not on palliative care planning.

Choice D rationale

Survivorship care is important throughout a patient's life, not just the first five years after remission. Continuous monitoring and health promotion are essential to detect any late effects of cancer treatment and maintain overall health.

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Naxlex Comprehensive Predictor Exams

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?

Correct Answer is B

Explanation

The nurse is caring for a patient who has been in remission from breast cancer for five years.What intervention will the nurse include as a component of survivorship care for this patient?

Correct Answer is B

Explanation

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