The nurse provides care to a patient who is recovering from facial trauma who requires high-flow oxygen therapy. Which method of oxygen delivery does the nurse recognize as best for this patient?

Nonrebreather mask

Face tent

Nasal cannula

Venturi mask

Answer and Explanation

The Correct Answer is B

A. Nonrebreather mask. A nonrebreather mask delivers high concentrations of oxygen but requires a tight seal around the face, which is not suitable for patients with facial trauma.

B. Face tent. A face tent is the best option for a patient with facial trauma as it provides high-flow oxygen without requiring direct contact with the face, preventing pressure on injured areas.

C. Nasal cannula. A nasal cannula provides low-flow oxygen and may be ineffective for a patient requiring high-flow therapy.

D. Venturi mask. A Venturi mask delivers precise oxygen concentrations but still requires a snug fit on the face, which may not be comfortable or feasible for a patient with facial trauma.

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Correct Answer is C

Explanation

A. HCO3- 30 mEq/L: In chronic respiratory acidosis, the kidneys compensate by increasing bicarbonate (HCO3-) to buffer excess CO2.

B. Potassium 3.3 mEq/L: Respiratory acidosis is typically associated with hyperkalemia (high potassium), not hypokalemia (low potassium).

C. PaCO2 50 mm Hg: Respiratory acidosis is caused by CO2 retention, leading to an elevated PaCO2 (>45 mm Hg).

D. pH 7.45: A pH of 7.45 is normal or slightly alkalotic. Respiratory acidosis is characterized by a pH below 7.35.

A. Financial stability B. Engaging in extracurricular activities C. Loss of a job D. Exercising caution in behavior

Correct Answer is C

Explanation

A. Financial stability: Financial stability is a protective factor against suicide.

B. Engaging in extracurricular activities: Social involvement and participation in activities generally reduce suicide risk.

C. Loss of a job: Job loss is a significant psychosocial stressor that can contribute to feelings of hopelessness, depression, and suicidal ideation.

D. Exercising caution in behavior: Individuals at risk for suicide often engage in impulsive or risky behavior, not cautious behavior.

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The nurse provides care to a patient who is recovering from facial trauma who requires high-flow oxygen therapy. Which method of oxygen delivery does the nurse recognize as best for this patient?

Nursing Test Bank

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