A nurse is teaching a newly licensed nurse about a nonrebreather oxygen mask. Which of the following instructions should the nurse include?

Use a nonrebreather mask to deliver low-flow oxygen

A nonrebreather mask should fit snugly over a client's face.

The reservoir bag on a nonrebreather mask should collapse with

A nonrebreather mask dries a client's mucous membranes

Answer and Explanation

The Correct Answer is B

A.   A nonrebreather mask is used to deliver high-flow oxygen, not low-flow. It provides the highest concentration of oxygen compared to other types of masks, which is crucial for patients with severe hypoxemia. The high-flow oxygen helps in achieving a higher concentration of oxygen in the blood.
B.   It is essential that a nonrebreather mask fits snugly over the client's face to ensure that the patient receives the maximum amount of oxygen and to prevent room air from mixing with the oxygen being delivered. A proper seal is necessary to achieve the desired level of oxygenation and to avoid oxygen leakage.
C.   The reservoir bag on a nonrebreather mask should not collapse with each breath. Ideally, the bag should remain partially inflated even during inspiration. If the bag collapses completely, it indicates that the patient is not receiving enough oxygen, and the mask may not be functioning correctly.
D.   A nonrebreather mask itself does not cause drying of the mucous membranes. However, high-flow oxygen can sometimes lead to dryness of the mucous membranes if not managed properly. Humidification may be required to prevent dryness, but this is not a direct effect of the mask itself.

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Correct Answer is ["2"]

Explanation

desired dose / available dose) x available volume.

The desired dose is 250 mg, and the available dose is 1000 mg in 8 mL.

So, the calculation would be: (250 mg / 1000 mg) x 8 mL = 2 mL. Therefore, the nurse should administer 2 mL of hydrocortisone sodium succinate.

A. Administering preoperative medications to the patient B. Witnessing the patient's signature on the consent form C. Explaining the surgical procedure to the patient D. Monitoring the patient's vital signs during the procedure

Correct Answer is B

Explanation

A. Administering preoperative medications is a nursing responsibility but not directly related to informed consent.
B. Witnessing the patient's signature is the nurse's primary responsibility regarding informed consent in the preoperative period. This verifies that the patient understands the procedure and voluntarily agrees to it.
C. Explaining the surgical procedure is the responsibility of the surgeon or physician.
D. Monitoring vital signs is a postoperative responsibility.

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A nurse is teaching a newly licensed nurse about a nonrebreather oxygen mask. Which of the following instructions should the nurse include?

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["2"]

Explanation

During the preoperative period, what is the nurse's responsibility regarding informed consent?

Correct Answer is B

Explanation

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