A nurse is checking a client's ventilator settings. The nurse should understand that positive end- expiratory pressure has which of the following purposes?

To deliver a set tidal volume

To provide positive airway pressure during inspiration

To control the rate of ventilations

To prevent alveolar collapse

Answer and Explanation

The Correct Answer is D

Positive end-expiratory pressure (PEEP) is a mode of mechanical ventilation that maintains a positive pressure in the airways at the end of expiration, preventing alveolar collapse and improving oxygenation. PEEP does not affect tidal volume, inspiratory pressure, or ventilation rate, which are determined by other ventilator settings.

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Correct Answer is A

Explanation

The ABG results show a low pH (acidosis), a high PaCO2 (respiratory component), and a normal HCO3 (metabolic component). This indicates respiratory acidosis, which is caused by hypoventilation and retention of carbon dioxide.

A. Recommend staying at a local shelter until the client can afford the bill. B. Contact the local Department of Health and Human Services for the client. C. Contact the client's family members to tell them the client's financial status. D. Provide the client with written information about the dangers of hypothermia.

Correct Answer is B

Explanation

This is because older adults are at increased risk of hypothermia, which is a potentially life-threatening condition that occurs when the body temperature drops below 35° C (95° F).

Hypothermia can cause confusion, drowsiness, slurred speech, slow heartbeat, shallow breathing, and loss of consciousness. Some factors that increase the risk of hypothermia in older adults are low indoor temperature, inadequate clothing, poor nutrition, chronic illness, medication use, and social isolation.

The nurse should contact the local Department of Health and Human Services for the client to help them access resources and programs that can assist them with paying their heating bills or finding alternative housing options. The nurse should also educate the client on how to prevent hypothermia by wearing warm clothing, eating well-balanced meals, drinking warm fluids, avoiding alcohol and caffeine, and staying active.

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A nurse is checking a client's ventilator settings. The nurse should understand that positive end- expiratory pressure has which of the following purposes?

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Naxlex Comprehensive Predictor Exams

A nurse is reviewing the following ABG results for a postoperative client: pH 7.27, PaCO2 49 mm Hg, PaO2 65 mm Hg, HCO 22 mEq/L. The nurse should interpret the findings as which of the following imbalances?

Correct Answer is A

Explanation

Correct Answer is B

Explanation

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