A nurse is caring for a client who has variant angina and is prescribed verapamil. Which of the following are expected outcomes of this medication? (Select all that apply.)

Decreased heart rate

Increased contractility

Dilated coronary arteries

Reduced blood pressure E.

Relieved chest pain.

Answer and Explanation

Correct Answer : C,E

Verapamil is a calcium channel blocker that is used to treat variant angina by dilating the coronary arteries and relieving the chest pain caused by spasms. It also reduces blood pressure and heart rate, but these are not the expected outcomes for variant angina.

Choice A is wrong because verapamil decreases heart rate, not increases it. This can help reduce the oxygen demand of the heart, but it is not the main goal of therapy for variant angina.

Choice B is wrong because verapamil decreases contractility, not increases it. This can also help reduce the oxygen demand of the heart, but it is not the main goal of therapy for variant angina.

Choice D is wrong because verapamil reduces blood pressure, not increases it. This can help lower the workload of the heart, but it is not the main goal of therapy for variant angina.

Normal ranges for heart rate are 60 to 100 beats per minute, for blood pressure are 120/80 mm Hg or lower, and for contractility are measured by ejection fraction, which is normally 55% or higher.

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Correct Answer is B

Explanation

This statement indicates that the patient understands that rivaroxaban (Xarelto) is an anticoagulant that can increase the risk of bleeding and bruising.The patient should avoid activities that may cause injury, such as contact sports, sharp objects, or falls.

Choice A is wrong because aspirin is also an antiplatelet drug that can further increase the risk of bleeding when taken with rivaroxaban.The patient should not take aspirin or any other nonsteroidal anti-inflammatory drugs (NSAIDs) without consulting the prescriber.

Choice C is wrong because rivaroxaban can be taken with or without food.The patient does not need to take the medication with food to prevent stomach upset or absorption problems.

Choice D is wrong because rivaroxaban should be taken as prescribed and not stopped abruptly without consulting the prescriber.Stopping the medication can increase the risk of blood clots and stroke.The patient should not stop taking the medication even if they feel better or have no symptoms.

A. Prothrombin time (PT) B. International normalized ratio (INR) C. Activated partial thromboplastin time (aPTT) D. Platelet count. E. Platelet count.

Correct Answer is C

Explanation

Activated partial thromboplastin time (aPTT).

Dabigatran (Pradaxa) is a direct oral anticoagulant (DOAC) that inhibits thrombin, a key enzyme in the coagulation cascade.

Dabigatran prolongs the aPTT, which is a measure of the intrinsic and common pathways of coagulation.The aPTT can be used to monitor the anticoagulant effect of dabigatran, although routine monitoring is not required.

Choice A) Prothrombin time (PT) is wrong because PT measures the extrinsic and common pathways of coagulation, which are not affected by dabigatran.

PT is used to monitor warfarin therapy, not dabigatran.

Choice B) International normalized ratio (INR) is wrong because INR is a standardized version of PT that is used to monitor warfarin therapy, not dabigatran.

INR is not affected by dabigatran.

Choice D) Platelet count is wrong because platelet count is a measure of the number of platelets in the blood, which are involved in primary hemostasis.

Platelet count is not affected by dabigatran, which acts on secondary hemostasis.

Normal ranges for these tests are:

• aPTT: 25 to 35 seconds

• PT: 11 to 13.5 seconds

• INR: 0.8 to 1.2

• Platelet count: 150,000 to 450,000 per microliter of blood

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A nurse is caring for a client who has variant angina and is prescribed verapamil. Which of the following are expected outcomes of this medication? (Select all that apply.)

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Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is C

Explanation

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