A nurse is caring for a client who has a prescription for warfarin. Which of the following laboratory tests should the nurse monitor?

Triiodothyronine

Blood urea nitrogen

Arterial blood gases

Prothrombin time

Answer and Explanation

The Correct Answer is D

Warfarin is an anticoagulant medication that works by inhibiting the synthesis of vitamin K-dependent clotting factors in the liver. Therefore, it is important to monitor the client's clotting ability to ensure that the medication is working properly and not causing any adverse eﬀects. The laboratory test that is used to monitor warfarin therapy is the prothrombin time (PT), which measures the time it takes for the blood to clot. The nurse should monitor the client's PT regularly and adjust the dosage of warfarin as necessary to maintain the therapeutic range. Option a (Triiodothyronine) is a thyroid hormone and is not directly related to warfarin therapy. Option b (Blood urea nitrogen) is a measure of kidney function and is also not directly related to warfarin therapy. Option c (Arterial blood gases) is a measure of oxygen and carbon dioxide levels in the blood and is not related to warfarin therapy.

Nursing Test Bank

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Free Nursing Study Resources

Correct Answer is ["1.5"]

Explanation

To calculate the required mL of morphine solution needed to administer 30 mg of morphine orally (PO), you can use the following formula:

Volume (in mL) = Amount (in mg) / Concentration (in mg/mL)

In this case, the amount of morphine is 30 mg, and the concentration of the morphine solution is 20 mg/mL.

Volume (in mL) = 30 mg / 20 mg/mL

Volume (in mL) = 1.5 mL

Therefore, the nurse should administer 1.5 mL of the morphine solution to deliver 30 mg of morphine to the client orally.

A. Maintain the head of the client's bed in high-Fowler's position. B. Remove the client's dressing when it becomes saturated. C. Check the client's pedal pulses every hour. D. Place an abductor wedge under the client's right knee.

Correct Answer is C

Explanation

A nurse assisting with the care of a client who is 6 hours postoperative following a right total knee arthroplasty should check the client's pedal pulses every hour. This is important to assess the adequacy of blood flow and tissue perfusion to the extremity.

It is also important to monitor the client's pain level, administer pain medication as ordered, and encourage the client to perform exercises as appropriate.

The head of the client's bed should be maintained in a semi-Fowler's position to promote optimal respiratory function, and the client's dressing should be changed only as needed and with sterile technique.

An abductor wedge is not typically used following knee arthroplasty surgery.

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A nurse is caring for a client who has a prescription for warfarin. Which of the following laboratory tests should the nurse monitor?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer morphine 30 mg PO to a client who reports pain. Available is morphine solution 20 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["1.5"]

Explanation

A nurse is assisting with the care of a client who is 6 hr postoperative following a right total knee arthroplasty. Which of the following actions should the nurse take?

Correct Answer is C

Explanation

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