Nursing Elites

1. The nurse is caring for a client with atrial fibrillation on dabigatran (Pradaxa). What is the most important instruction to give to the client?

• A. Take the medication with food to prevent stomach upset.
• B. Do not miss a dose and take it at the same time each day.
• C. Avoid consuming alcohol while on this medication.
• D. Monitor for signs of bleeding.

Correct answer: B

Rationale: The most important instruction to give to a client on dabigatran (Pradaxa) is not to miss a dose and take it at the same time each day. This is crucial for maintaining the anticoagulant effect of the medication. Choice A is not necessary as dabigatran does not need to be taken with food. Choice C is important but not as crucial as ensuring proper dosing. Choice D is also important but falls behind in priority compared to maintaining consistent dosing.

2. The nurse is administering enoxaparin (Lovenox) to a client. What is the most important lab value to monitor?

• A. Platelet count
• B. Hemoglobin
• C. White blood cell count
• D. aPTT

Correct answer: A

Rationale: The correct answer is A: Platelet count. When administering enoxaparin, it is crucial to monitor the platelet count because enoxaparin can lead to a rare but serious side effect known as thrombocytopenia, which is a decrease in platelet levels. Monitoring the platelet count helps in detecting this adverse effect early. Choices B, C, and D are incorrect because hemoglobin, white blood cell count, and aPTT are not the most important lab values to monitor specifically for enoxaparin administration.

3. What is a condition where the heart is unable to pump blood effectively, leading to a buildup of fluid in the lungs and other parts of the body?

• A. Heart failure
• B. Cardiomyopathy
• C. Myocardial infarction
• D. Pulmonary edema

Correct answer: A

Rationale: The correct answer is A: Heart failure. Heart failure occurs when the heart is unable to pump blood effectively, resulting in a buildup of fluid in the lungs and other parts of the body. Choice B, Cardiomyopathy, refers to diseases of the heart muscle, not specifically the inability to pump blood effectively. Choice C, Myocardial infarction, is a heart attack caused by a blocked blood supply to the heart muscle, not directly related to the heart's pumping efficiency. Choice D, Pulmonary edema, is a condition characterized by fluid accumulation in the lungs, often a consequence of heart failure but not the primary condition described in the question.

4. What procedure involves using a balloon to open a narrowed or blocked blood vessel, often followed by the placement of a stent?

• A. Angioplasty
• B. Valve replacement
• C. Coronary artery bypass graft (CABG)
• D. Endarterectomy

Correct answer: A

Rationale: The correct answer is A, Angioplasty. Angioplasty is a procedure that uses a balloon to open a narrowed or blocked blood vessel, often followed by the placement of a stent to maintain vessel patency. Choice B, Valve replacement, involves replacing damaged heart valves, not treating narrowed blood vessels. Choice C, Coronary artery bypass graft (CABG), is a procedure to bypass blocked coronary arteries, not directly open them using a balloon. Choice D, Endarterectomy, is a surgical procedure to remove plaque from the inner lining of an artery, not involving the use of a balloon and stent to open a vessel.

5. During which process does coronary artery blood flow to the myocardium occur during diastole, when coronary vascular resistance is reduced?

• A. Coronary perfusion pressure
• B. Coronary vascular resistance
• C. Diastolic filling
• D. Ventricular ejection

Correct answer: A

Rationale: The correct answer is A: Coronary perfusion pressure. Coronary perfusion pressure refers to the process of coronary artery blood flow to the myocardium during diastole when coronary vascular resistance is reduced. This process ensures that the myocardium receives sufficient oxygen and nutrients for proper functioning. Choice B, Coronary vascular resistance, is the opposite of what is described in the question. During coronary perfusion, resistance is reduced to enhance blood flow. Choices C and D, Diastolic filling and Ventricular ejection, do not directly relate to the process of coronary artery blood flow during diastole.

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