A nurse is assisting with teaching a class about pulmonary circulation. The nurse should include that blood flow from the right ventricle leaves the heart to go to the lungs through which of the following locations?

Pulmonary artery.

Left atrium.

Pulmonary veins.

Left ventricle.

Answer and Explanation

The Correct Answer is A

Choice A rationale:
The right ventricle pumps deoxygenated blood to the lungs via the pulmonary artery. This is the only artery in the body that carries deoxygenated blood.
Choice B rationale:
The left atrium receives oxygenated blood from the lungs via the pulmonary veins, not the right ventricle.
Choice C rationale:
Pulmonary veins carry oxygenated blood from the lungs to the left atrium, not from the right ventricle to the lungs.
Choice D rationale:
The left ventricle pumps oxygenated blood to the rest of the body through the aorta, not to the lungs.

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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.

A. Vitamin A. B. Vitamin D. C. Vitamin E. D. Vitamin K.

Correct Answer is ["A","B","C","D"]

Explanation

Choice A rationale:
Vitamin A is a fat-soluble vitamin that is stored in the liver and adipose tissues. It plays a crucial role in vision, growth, and immune function.
Choice B rationale:
Vitamin D is a fat-soluble vitamin that is essential for calcium absorption and bone health. It can be synthesized by the body when exposed to sunlight.
Choice C rationale:
Vitamin E is a fat-soluble vitamin that acts as an antioxidant, protecting cells from damage caused by free radicals.
Choice D rationale:
Vitamin K is a fat-soluble vitamin that plays a key role in blood clotting. It is also involved in bone metabolism.

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A nurse is assisting with teaching a class about pulmonary circulation. The nurse should include that blood flow from the right ventricle leaves the heart to go to the lungs through which of the following locations?

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Naxlex Comprehensive Predictor Exams

A nurse withdraws morphine 2 mg from a vial that contains 4 mg/mL to inject IM for a client. Which of the following actions should the nurse take for wasting the excess medication?

Correct Answer is D

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Correct Answer is ["A","B","C","D"]

Explanation

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