A nurse is preparing to administer dabigatran to a client who has atrial fibrillation. The nurse should explain that the purpose of this medication is which of the following?
To slow the response of the ventricles to the fast atrial impulses
To dissolve clots in the bloodstream
To reduce the risk of stroke in clients who have atrial fibrillation
To convert atrial fibrillation to sinus rhythm
The Correct Answer is C
Choice A Reason: This is incorrect because dabigatran does not affect the electrical activity of the heart or the conduction system. It does not slow down the ventricular response to the atrial impulses.
Choice B Reason: This is incorrect because dabigatran does not dissolve existing clots in the bloodstream. It only prevents new clots from forming.
Choice C Reason: This is correct because dabigatran reduces the risk of stroke in clients who have atrial fibrillation by preventing clot formation and reducing blood viscosity. Dabigatran is an anticoagulant medication that prevents the formation of blood clots in the heart and blood vessels. Atrial fibrillation is a condition where the atria beat irregularly and rapidly, which can cause blood to pool and clot in the heart chambers. These clots can travel to the brain and cause a stroke. Dabigatran reduces the risk of stroke by preventing clot formation and reducing blood viscosity.
Choice D Reason: This is incorrect because dabigatran does not restore normal sinus rhythm in clients who have atrial fibrillation. It does not affect the heart rate or rhythm.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A Reason: This is correct because the carotid pulse is the most accessible and reliable pulse to check during CPR for an adult client. The carotid pulse is the most accessible and reliable pulse to check during CPR for an adult client. The carotid pulse is located on the side of the neck, near the trachea. The nurse should use two fingers to palpate the carotid pulse for at least 5 seconds and no more than 10 seconds.
Choice B Reason: This is incorrect because the popliteal pulse is located behind the knee and is not easily palpable during CPR.
Choice C Reason: This is incorrect because the radial pulse is located on the wrist and may not be detectable during CPR due to low blood pressure or peripheral vasoconstriction.
Choice D Reason: This is incorrect because the apical pulse is located on the chest and requires a stethoscope to auscultate. The nurse should not interrupt chest compressions or ventilations to listen to the apical pulse during CPR.
Correct Answer is A
Explanation
The correct answer is: a. Place a black tag on the client’s upper body and attempt to help the next client in need.
Choice A: Place a black tag on the client’s upper body and attempt to help the next client in need.
In mass casualty incidents, the START (Simple Triage and Rapid Treatment) triage system is often used. According to this system, if a patient is apneic (not breathing) and does not resume breathing after repositioning the airway, they are considered deceased or non-salvageable and should be tagged with a black tag. This allows the nurse to focus on other victims who have a higher chance of survival.
Choice B: Start CPR
While starting CPR might seem appropriate in a normal setting, during a mass casualty incident, resources and time are limited. The priority is to save as many lives as possible. Performing CPR on an apneic patient with a weak pulse would take significant time and resources that could be used to help other victims with a higher chance of survival.
Choice C: Place a red tag on the client’s upper body and obtain immediate help from other personnel.
A red tag is used for patients who need immediate care and have a high chance of survival if treated promptly. Since the client remains apneic even after repositioning the airway, they do not meet the criteria for a red tag.
Choice D: Reposition the client’s upper airway a second time before assessing his respirations.
Repositioning the airway a second time is not recommended in the START triage system. If the patient does not resume breathing after the initial repositioning, they are considered non-salvageable.
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