A nurse is reviewing evidence-based practice principles about administration of oxygen therapy with a newly licensed nurse.
Which of the following actions should the nurse include?

Regulate the flow rate by aligning the rate with the top of the ball inside the flow meter.

Regulate oxygen via nasal cannula at a flow rate of no more than 6 L/min.

Ensure the reservoir bag of a partial rebreathing mask remains deflated.

Use petroleum jelly to lubricate the patient’s nares, face, and lips.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Regulating the flow rate by aligning the rate with the top of the ball inside the flow meter is a common practice in oxygen therapy. However, this action is not the most critical aspect to include when reviewing evidence-based practice principles about administration of oxygen therapy with a newly licensed nurse.

Choice B rationale

Regulating oxygen via nasal cannula at a flow rate of no more than 6 L/min is indeed an important aspect of oxygen therapy. Oxygen delivered at higher rates using a traditional nasal cannula can dry out sinus passages and lead to nosebleeds. Nasal cannula is typically started at 2L/min and then titrated upwards to as high as 6L/min, although 2-4L/min is ideal. This delivers 25-40% FIO2, depending upon their respiratory rate, tidal volume, and amount of mouth breathing. Therefore, this action should be included when educating a newly licensed nurse about the administration of oxygen therapy.

Choice C rationale

Ensuring the reservoir bag of a partial rebreathing mask remains deflated is not a recommended practice. A partial rebreathing mask is a face mask with a reservoir bag that delivers moderate to higher concentrations of oxygen. Frequent inspection of the reservoir bag is required to ensure that it remains inflated; if it is deflated, exhaled air collects in it, which results in the patient rebreathing large amounts of exhaled carbon dioxide. Therefore, this action should not be included when educating a newly licensed nurse about the administration of oxygen therapy.

Choice D rationale

Using petroleum jelly to lubricate the patient’s nares, face, and lips is not recommended. Even though use of intranasal petroleum jelly is common, it is not recommended. The heaviness of the base does not allow normal secretion and/or absorption of fluids or medications. Vitamin E oil is a much more appropriate and equally available remedy. This lighter nonpetroleum lubricant has a natural emollient effect. Therefore, this action should not be included when educating a newly licensed nurse about the administration of oxygen therapy. Dressing Dressing Explore

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Correct Answer is A

Explanation

Choice A rationale

Walking briskly is a weight-bearing exercise that is essential for maintaining bone mass, which can help to prevent osteoporosis. Regular weight-bearing exercise, such as a 20-30-minute aerobic exercise, 3 times a week, is recommended for older adults at risk for osteoporosis.

Choice B rationale

Riding a bicycle is a non-weight-bearing exercise. While it can contribute to overall fitness and health, it does not provide the same benefits for bone health as weight-bearing exercises like walking.

Choice C rationale

Performing isometric exercises can help to strengthen muscles, but these exercises do not have the same impact on bone health as weight-bearing exercises.

Choice D rationale

Engaging in high-impact aerobics can be beneficial for bone health, but it may not be suitable for an older adult at risk for osteoporosis due to the increased risk of injury.

A. Carry a patient’s soiled linens out of the room in a mesh linen bag. B. Place a patient who has tuberculosis in a room with negative-pressure airflow. C. Provide disposable plates and utensils for a patient who is HIV-positive. D. Dispose of a patient’s blood-saturated dressing in a trash bag inside a second trash bag.

Correct Answer is B

Explanation

Choice A rationale

Carrying a patient’s soiled linens out of the room in a mesh linen bag is not the most effective way to prevent the spread of infection. While it’s important to handle soiled linens properly to avoid contaminating oneself or the environment, this action alone does not have a significant impact on preventing the spread of infection among a group of patients.

Choice B rationale

Placing a patient who has tuberculosis in a room with negative-pressure airflow is a key measure in preventing the spread of this airborne infection. Negative-pressure rooms prevent

contaminated air from escaping the room and spreading to other areas, thereby protecting other patients and healthcare workers.

Choice C rationale

Providing disposable plates and utensils for a patient who is HIV-positive is not necessary for preventing the spread of infection. HIV is not transmitted through casual contact or through sharing food or utensils.

Choice D rationale

Disposing of a patient’s blood-saturated dressing in a trash bag inside a second trash bag is a good practice for handling biohazardous waste, but it is not the most effective measure for preventing the spread of infection among a group of patients.

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A nurse is reviewing evidence-based practice principles about administration of oxygen therapy with a newly licensed nurse.
Which of the following actions should the nurse include?