A nurse is receiving a client who is immediately postoperative following hip arthroplasty. Which of the following medications should the nurse plan to administer for DVT prophylaxis?

Warfarin PO

Enoxaparin subcutaneous

Aspirin PO

Heparin infusion

Answer and Explanation

The Correct Answer is B

Choice A reason: Warfarin PO is not a suitable medication for DVT prophylaxis in the immediate postoperative period, as it has a slow onset of action and requires frequent monitoring of the INR (international normalized ratio). Warfarin may be used for long-term anticoagulation, but it is not effective for preventing the formation of new clots.

Choice B reason: Enoxaparin subcutaneous is a suitable medication for DVT prophylaxis in the immediate postoperative period, as it has a rapid onset of action and does not require frequent monitoring of the coagulation status. Enoxaparin is a low-molecular-weight heparin that inhibits the formation of thrombin and prevents the growth of existing clots.

Choice C reason: Aspirin PO is not a suitable medication for DVT prophylaxis in the immediate postoperative period, as it has a weak anticoagulant effect and may increase the risk of bleeding. Aspirin is an antiplatelet agent that inhibits the aggregation of platelets and prevents the formation of arterial clots, but it is not effective for preventing venous clots.

Choice D reason: Heparin infusion is not a suitable medication for DVT prophylaxis in the immediate postoperative period, as it requires continuous intravenous administration and frequent monitoring of the aPTT (activated partial thromboplastin time). Heparin is an unfractionated heparin that inhibits the formation of thrombin and prevents the growth of existing clots, but it has a narrow therapeutic window and a high risk of bleeding.

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Correct Answer is C

Explanation

Choice A reason: Migraines are not a contraindication for propranolol. In fact, propranolol is used as a prophylactic treatment for migraines, as it reduces the frequency and severity of migraine attacks.

Choice B reason: Glaucoma is not a contraindication for propranolol. Propranolol does not affect the intraocular pressure or the drainage of aqueous humor in the eye.

Choice C reason: Asthma is a contraindication for propranolol. Propranolol is a nonselective beta-blocker, which means it blocks both beta-1 and beta-2 receptors in the body. Beta-2 receptors are found in the bronchial smooth muscle, and when they are blocked, they cause bronchoconstriction and increased airway resistance. This can worsen the symptoms of asthma and cause a life-threatening asthma attack.

Choice D reason: Depression is not a contraindication for propranolol. Propranolol does not cause depression, although it may cause some side effects such as fatigue, insomnia, and sexual dysfunction. However, these side effects are usually mild and reversible.

A. Blood pressure 160/94 mm Hg B. Heart rate 46/min C. Oxygen saturation 95% D. Respiratory rate 18/min

Correct Answer is B

Explanation

Choice A reason: Blood pressure 160/94 mm Hg is not a reason to withhold atenolol, as it is a beta-blocker that lowers blood pressure and reduces the workload of the heart. Atenolol is indicated for hypertension, angina, and arrhythmias. The nurse should administer atenolol as prescribed, unless the blood pressure is too low (hypotension).

Choice B reason: Heart rate 46/min is a reason to withhold atenolol, as it is a sign of bradycardia (slow heart rate), which can be a side effect of atenolol. Atenolol can decrease the heart rate by blocking the beta-1 receptors in the heart. The nurse should withhold atenolol if the heart rate is below 60 beats per minute or above 100 beats per minute, and report the finding to the provider.

Choice C reason: Oxygen saturation 95% is not a reason to withhold atenolol, as it is a normal value that indicates adequate oxygenation of the blood. Atenolol does not affect the oxygen saturation or the respiratory function. The nurse should monitor the oxygen saturation regularly, and report any signs of hypoxia (low oxygen level).

Choice D reason: Respiratory rate 18/min is not a reason to withhold atenolol, as it is a normal value that indicates normal breathing. Atenolol does not affect the respiratory rate or the respiratory function. The nurse should monitor the respiratory rate regularly, and report any signs of dyspnea (difficulty breathing).

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A nurse is receiving a client who is immediately postoperative following hip arthroplasty. Which of the following medications should the nurse plan to administer for DVT prophylaxis?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has hypertension and asks the nurse about a prescription for propranolol. The nurse should inform the client that this medication is contraindicated in clients who have a history of which of the following conditions?

Correct Answer is C

Explanation

A nurse is assessing a client prior to administering atenolol. Which of the following findings should prompt the nurse to withhold the medication?

Correct Answer is B

Explanation

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