A nurse in the emergency department is caring for a female client who reports shortness of breath and pain in the chest. The client states she began taking oral contraceptives 3 weeks ago and that she smokes. Her vital signs are: heart rate 110/min, respiratory rate 40/min, and blood pressure 140/80 mm Hg. Arterial blood gas results are: pH 7.50, PaCO₂ 29 mm Hg, PaO₂ 60 mm Hg, HCO₃⁻ 20 mEq/L, and SaO₂ 86%. Which of the following is the priority nursing intervention?
Administer oxygen via face mask
Prepare for mechanical ventilation
Prepare to administer a sedative
Assess for indications of pulmonary embolism
The Correct Answer is A
Rationale:
A. The ABGs show respiratory alkalosis (pH 7.50, PaCO₂ 29) with hypoxemia (PaO₂ 60, SaO₂ 86%). The priority is to administer oxygen via face mask to correct hypoxemia.
B. Mechanical ventilation may be needed if oxygen therapy is ineffective, but it is not the first action.
C. A sedative is not appropriate because the hyperventilation is compensatory for impaired oxygenation.
D. Assessing for pulmonary embolism is important (risk factors: oral contraceptives, smoking, sudden dyspnea), but ensuring oxygenation takes priority in the immediate situation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Ambulation helps with lung expansion but does not directly thin secretions.
B. Incentive spirometer use improves ventilation and prevents atelectasis but does not specifically thin secretions.
C. Coughing and deep breathing help mobilize secretions once loosened, but they do not thin them.
D. Increasing fluid intake hydrates the respiratory tract and helps thin secretions, making them easier to expectorate — this is the most effective action.
Correct Answer is ["D","E"]
Explanation
Rationale:
A. Weight gain is not expected. Clients with pulmonary TB typically experience weight loss due to chronic infection and decreased appetite.
B. High-grade fever is not typical. TB usually causes a low-grade fever, especially in the afternoon.
C. Flushed cheeks are not a characteristic manifestation of TB. The client may appear pale and fatigued instead.
D. Night sweats are a classic symptom of TB due to the body’s response to chronic infection.
E. Blood in the sputum (hemoptysis) is a hallmark sign of pulmonary TB due to lung tissue damage and cavitation.
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