Critical Care Exam 1: Respiratory

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Critical Care Exam 1: Respiratory

Practice Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

What is the first priority when assessing a patient with acute respiratory distress?

• Obtain a chest X-ray
• Administer oxygen

✔✔C. Assess airway patency

• Administer pain medication

Which of the following signs would indicate that a patient is experiencing respiratory failure?

• Increased respiratory rate
• Use of accessory muscles

✔✔C. Decreased oxygen saturation despite supplemental oxygen

• Increased lung sounds
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In which position should a patient with severe respiratory distress be placed to optimize breathing?

• Supine position

✔✔B. High Fowler's position

• Prone position
• Trendelenburg position

Which of the following is a key indicator of hypoxemia in a critically ill patient?

✔✔A. Oxygen saturation less than 90%

• Respiratory rate greater than 12 breaths per minute
• Blood pressure greater than 140/90
• Heart rate less than 60 beats per minute

Which of the following is the most appropriate nursing intervention for a patient with acute exacerbation of asthma?

• Administer IV fluids 2 / 4

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✔✔B. Administer bronchodilators as ordered

• Encourage deep breathing exercises
• Restrict oxygen therapy

What is the purpose of using a non-rebreather mask in respiratory emergencies?

• To deliver a high concentration of oxygen

✔✔B. To provide 100% oxygen and prevent carbon dioxide buildup

• To deliver low-flow oxygen for long periods
• To prevent airway obstruction

What is the expected outcome when using positive end-expiratory pressure (PEEP) in mechanical ventilation?

• Increased lung compliance

✔✔B. Prevention of alveolar collapse

• Decreased oxygenation
• Decreased tidal volume 3 / 4

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In a patient with acute pulmonary edema, what is the priority nursing action?

✔✔A. Administer oxygen and diuretics as ordered

• Place the patient in a prone position
• Begin chest physiotherapy
• Restrict fluids immediately

When assessing a patient on mechanical ventilation, which of the following should the nurse monitor frequently?

• Electrolyte levels

✔✔B. End-tidal CO2

• Blood glucose
• Hemoglobin levels

Which of the following is a common cause of ARDS (acute respiratory distress syndrome)?

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