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
The Correct Answer is D
Prothrombin time.
Explanation:
When a client is prescribed warfarin, monitoring the prothrombin time (PT) and the International Normalized Ratio (INR) is crucial. Warfarin is an anticoagulant medication that affects the clotting ability of the blood by inhibiting vitamin K-dependent clotting factors. Monitoring the prothrombin time and INR helps determine the client's blood's ability to clot and the appropriate dosage of warfarin to maintain the desired 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
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Sponge baths are recommended until the umbilical cord stump falls off, which typically occurs within the first two weeks of life. After that, the baby can be immersed in water for a regular bath. Using talcum powder is not recommended as it can be harmful to the baby's respiratory system if inhaled. Mild, pH-balanced soap should be used instead of alkaline soap to avoid irritating the baby's delicate skin. The bathwater temperature should be around 98 degrees Fahrenheit and not hoter than 100 degrees Fahrenheit to prevent burns.

Correct Answer is A
Explanation
a. Apply pressure to the lacrimal punctum after administering the drops.
When administering eye drops to a child, the nurse should apply gentle pressure to the lacrimal punctum (the small opening in the inner corner of the eye) after administering the drops. This can help prevent the medication from draining into the tear duct and being absorbed into the bloodstream, which can reduce systemic side effects.

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