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.

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Correct Answer is C

Explanation

Bacterial meningitis is a serious infection of the membranes surrounding the brain and spinal cord that can cause inflammation and damage to the nervous system.

Nuchal rigidity refers to stiffness and pain in the neck that makes it difficult to flex the neck forward. This finding is indicative of inflammation of the meninges and is a classic sign of meningitis.

Pedal edema refers to swelling of the feet and ankles and can be caused by various conditions such as heart, liver, or kidney problems.

Jaundice refers to yellowing of the skin and eyes and can be caused by liver or bile duct disease.

Hematuria refers to the presence of blood in the urine and can be caused by various conditions such as urinary tract infections, kidney stones, or bladder cancer. These findings are not related to bacterial meningitis and may suggest other health concerns that require further evaluation and management.

A. "I will set my blood pressure goal at 130 over 84," B. "I can have two glasses of wine with dinner." C. "I should decrease my salt intake to 2 grams per day." D. "I should exercise for 15 minutes two times per week!"

Correct Answer is C

Explanation

Maintaining a healthy lifestyle is crucial for managing mild hypertension. One of the key lifestyle changes recommended for individuals with hypertension is reducing salt (sodium) intake.

The American Heart Association recommends limiting sodium intake to no more than 2,300 milligrams (about 2 grams) per day. By expressing the goal to decrease salt intake to 2 grams per day, the client demonstrates an understanding of the teaching.

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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?

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