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 D
Explanation
Choice A rationale:
Telling the client that the physician wants them to take the medicine may not address the client’s concerns or fears about the medication.
Choice B rationale:
Explaining the purpose of the medication is important, but it does not directly address the client’s refusal.
Choice C rationale:
Asking the client why they are being difficult could escalate the situation and is not a respectful or therapeutic response.
Choice D rationale:
Documenting that the client refuses the medication is the most appropriate action as it accurately records the client’s decision and can inform future care planning.
Correct Answer is ["B","C","E"]
Explanation
Choice A rationale:
Keeping the client NPO after midnight is not necessary for an ECG. It is a non-invasive procedure that does not require fasting.
Choice B rationale:
Inspecting the electrode pads is important to ensure good contact with the skin and accurate readings.
Choice C rationale:
Instructing the client to breathe normally during the ECG helps to prevent artifacts in the tracing that could lead to misinterpretation.
Choice D rationale:
Administering an analgesic prior to the procedure is not necessary. An ECG is a painless procedure.
Choice E rationale:
Using alcohol to wipe the skin before placing the electrodes can improve the quality of the ECG by reducing skin impedance.
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