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:
Saving the excess medication for the next administration is not recommended. This could lead to medication errors.
Choice B rationale:
Returning the excess medication to the secure cabinet is not the proper way to dispose of excess medication. It could be accidentally used by someone else.
Choice C rationale:
Placing the excess medication in the sharps container is not correct. Sharps containers are for sharp objects like needles, not for medication.
Choice D rationale:
Having a second nurse witness the disposal of the excess medication is the correct action. This ensures accountability and prevents misuse of the medication.
Correct Answer is D
Explanation
Choice A rationale:
Orange essential oil is known for its uplifting and worry-reducing properties, not necessarily for promoting sleep.
Choice B rationale:
Ginger essential oil is often used for its anti-inflammatory properties and can help with digestion, but it doesn’t directly promote sleep.
Choice C rationale:
Peppermint essential oil is commonly used for its refreshing and invigorating properties, not for sleep promotion.
Choice D rationale:
Lavender essential oil is widely recognized for its calming and soothing properties, which can promote sleep.
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