A nurse is teaching a health class about the heart. Which information from the class members indicates teaching by the nurse is successful for the flow of blood through the heart, starting in the right atrium?

Left atrium, right ventricle, left ventricle

Left atrium, left ventricle, right ventricle

Right ventricle, left atrium, left ventricle

Right ventricle, left ventricle, left atrium

Answer and Explanation

The Correct Answer is A

A. Blood flow starts from the right atrium, moves into the right ventricle, then to the lungs, where it is oxygenated and returns to the left atrium, and then flows into the left ventricle before being pumped into the aorta.
B. This sequence incorrectly places the left atrium before the right ventricle, which is not the correct flow of blood.
C. This sequence starts incorrectly with the right ventricle, skipping the left atrium entirely after blood is oxygenated.
D. This option also incorrectly starts with the right ventricle and does not include the proper sequence of blood flow.

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Correct Answer is D

Explanation

A. A 3-mL syringe is not appropriate for administering U-500 insulin, as the concentration may not allow for accurate dosing at such a small volume.
B. A U-100 syringe is designed for U-100 insulin and would not provide accurate measurement for U-500 insulin.
C. A needleless syringe may be useful in certain contexts, but it does not specifically provide the necessary precision for insulin dosage.
D. A tuberculin syringe is suitable for administering small doses (like 0.3 mL) and provides more accurate measurement for high-concentration insulin such as U-500.

A. Explain the importance of maintaining morning hygiene practices. B. Tell the patient that daily morning baths are the "normal" routine. C. Cancel hygiene for the day and attempt again in the morning. D. Defer the bath until evening and pass on the information to the next shift.

Correct Answer is D

Explanation

A. Explaining the importance of morning hygiene may overlook the patient's established routine and could create resistance.
B. Stating that morning baths are the "normal" routine does not acknowledge the patient's preferences, potentially causing the patient to feel invalidated.
C. Canceling hygiene for the day disregards the patient's needs and preferred routine.
D. Deferring the bath until evening respects the patient’s routine and preference, promoting patient-centered care and improving comfort and compliance with hygiene practices.

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A nurse is teaching a health class about the heart. Which information from the class members indicates teaching by the nurse is successful for the flow of blood through the heart, starting in the right atrium?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient has been prescribed to receive 0.3 mL of U-500 insulin. Which syringe will the nurse use to administer the medication?

Correct Answer is D

Explanation

The nurse is caring for a patient who refuses to bathe in the morning. When asked why, the patient says, "I always bathe in the evening." Which action by the nurse is best?

Correct Answer is D

Explanation

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