The nurse is assisting in a seminar for newly licensed nurses, teaching about characteristics of the heart. The nurse shows understanding of the heart when she states that the innermost layer of the heart is called the.
chambers.
pericardium.
epicardium.
endocardium.
The Correct Answer is D
Choice A rationale:
Chambers refer to the four compartments of the heart, not a layer of the heart.
Choice B rationale:
Pericardium is the sac that surrounds the heart, not a layer of the heart itself.
Choice C rationale:
Epicardium is the outermost layer of the heart, not the innermost.
Choice D rationale:
Endocardium is indeed the innermost layer of the heart, lining the inner surfaces of the heart chambers and valves.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
The first step when a medication error occurs is to assess the client. This is to ensure the safety of the patient and to monitor for any adverse effects.
Choice B rationale:
Reporting the error to the nurse manager is important, but it is not the first step. Patient safety is the priority.
Choice C rationale:
Notifying the provider is crucial, but it comes after ensuring the patient’s safety.
Choice D rationale:
Completing an incident report is a later step in the process. The immediate concern is the patient’s wellbeing.
Correct Answer is B
Explanation
Choice A rationale:
Imagery therapy is a mind-body intervention that does not involve any physical risk to the pacemaker.
Choice B rationale:
Magnetic therapy could potentially interfere with the functioning of the pacemaker.
Choice C rationale:
Relaxation therapy, like imagery therapy, is a mind-body intervention that does not involve any physical risk to the pacemaker.
Choice D rationale:
Yoga is a physical activity that does not involve any direct risk to the pacemaker.
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