A nurse is reviewing the laboratory data on a client who has a new prescription for heparin for treatment of a pulmonary embolism. Which of the following data should the nurse report to the provider?

Hematocrit 45%

Platelets 74,000/mm3

Partial thromboplastin time (PTT) 65 seconds

White blood cell count 8,000/mm3

Answer and Explanation

The Correct Answer is B

Choice A reason: Hematocrit 45% is not the correct data. Hematocrit is the percentage of red blood cells in the blood. The normal range for hematocrit is 37% to 47% for women and 42% to 52% for men. Hematocrit 45% is within the normal range and does not indicate any abnormality related to heparin therapy. Heparin does not affect the production or destruction of red blood cells.

Choice B reason: Platelets 74,000/mm3 is the correct data. Platelets are the blood cells that are responsible for clotting and preventing bleeding. The normal range for platelets is 150,000 to 400,000/mm3. Platelets 74,000/mm3 is below the normal range and indicates thrombocytopenia, which is a low platelet count. Thrombocytopenia is a serious complication of heparin therapy that can cause bleeding, bruising, and petechiae. The nurse should report this finding to the provider immediately and stop the heparin infusion.

Choice C reason: Partial thromboplastin time (PTT) 65 seconds is not the correct data. PTT is a blood test that measures the time it takes for the blood to clot. The normal range for PTT is 25 to 35 seconds. PTT 65 seconds is above the normal range and indicates that the blood is taking longer to clot. This is an expected effect of heparin therapy, as heparin is an anticoagulant that inhibits the formation of blood clots. The nurse should monitor the PTT and adjust the heparin dose according to the provider's orders and the protocol.

Choice D reason: White blood cell count 8,000/mm3 is not the correct data. White blood cells are the blood cells that are involved in the immune system and fight infections. The normal range for white blood cells is 4,500 to 11,000/mm3. White blood cell count 8,000/mm3 is within the normal range and does not indicate any abnormality related to heparin therapy. Heparin does not affect the production or function of white blood cells.

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Correct Answer is A

Explanation

Choice A reason: Lidocaine is an antiarrhythmic medication that stabilizes the cardiac membrane and suppresses abnormal electrical impulses in the heart. It is used to treat ventricular dysrhythmias, such as ventricular tachycardia and ventricular fibrillation, which can occur after a cardiac arrest.

Choice B reason: Lidocaine is not primarily used to relieve pain, although it has local anesthetic properties. It is not effective for chest pain caused by myocardial ischemia or infarction.

Choice C reason: Lidocaine does not dissolve blood clots, nor does it prevent their formation. It has no anticoagulant or thrombolytic effects.

Choice D reason: Lidocaine does not slow intestinal motility, nor does it affect the gastrointestinal system. It has no antispasmodic or antidiarrheal effects.

A. A history of left-sided heart failure B. Recently treated bilateral pneumonia C. A concurrent prescription for tadalafil D. Diet-controlled Type 2 diabetes mellitus

Correct Answer is C

Explanation

Choice A reason: This is not a problem for a client who has hypertension and a new prescription for metoprolol, as metoprolol is a beta-blocker that can reduce the workload of the heart and improve the symptoms of heart failure.

Choice B reason: This is not a problem for a client who has hypertension and a new prescription for metoprolol, as metoprolol does not have any significant interactions with antibiotics or other medications used to treat pneumonia.

Choice C reason: This is a problem for a client who has hypertension and a new prescription for metoprolol, as tadalafil is a phosphodiesterase-5 inhibitor that can lower the blood pressure and cause hypotension when taken with metoprolol. The nurse should investigate further and notify the provider of the potential interaction.

Choice D reason: This is not a problem for a client who has hypertension and a new prescription for metoprolol, as metoprolol does not affect the blood glucose levels or the management of diabetes.

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A nurse is reviewing the laboratory data on a client who has a new prescription for heparin for treatment of a pulmonary embolism. Which of the following data should the nurse report to the provider?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse in a coronary care unit is admitting a client who has had CPR following a cardiac arrest. The client is receiving lidocaine IV at 2 mg/min. When the client asks the nurse why he is receiving that medication, the nurse should explain that it has which of the following actions?

Correct Answer is A

Explanation

A nurse is reviewing the medical record of a client who has hypertension and a new prescription for metoprolol. Which of the following findings should the nurse investigate further?

Correct Answer is C

Explanation

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