Respiratory Skills Quiz: Airway to Ventilation

1. An endotracheal tube cuff pressure should be maintained between what range to prevent tracheal injury?

5–10 cm H₂O

15–30 cm H₂O

40–50 cm H₂O

60–80 cm H₂O

2. Which finding suggests tension pneumothorax requiring immediate decompression?

Bilateral breath sounds, normal JVD

Unilateral breath sounds, tracheal deviation, hypotension

Crackles throughout lung fields

Wheezing on exhalation

3. A patient with ARDS is started on lung-protective ventilation. What is the target tidal volume?

8–10 mL/kg ideal body weight

6–8 mL/kg ideal body weight

12–15 mL/kg actual body weight

15–20 mL/kg ideal body weight

4. True or False: Hypercapnia (elevated CO₂) is always harmful and requires immediate correction.

True

False

5. Which of the following indicate readiness for weaning from mechanical ventilation?

PEEP ≤5 cm H₂O, FiO₂ ≤0.4, adequate oxygenation

PEEP ≥10 cm H₂O, FiO₂ ≥0.6, stable hemodynamics

Increased sedation requirements, high respiratory rate

Severe hypoxemia, hemodynamic instability

6. Which blood gas result represents respiratory acidosis?

PH 7.32, PaCO₂ 50 mmHg, HCO₃⁻ 24 mEq/L

PH 7.48, PaCO₂ 32 mmHg, HCO₃⁻ 25 mEq/L

PH 7.35, PaCO₂ 40 mmHg, HCO₃⁻ 22 mEq/L

PH 7.30, PaCO₂ 30 mmHg, HCO₃⁻ 18 mEq/L

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8. Which ventilator setting directly controls the number of breaths delivered per minute?

Tidal volume

Respiratory rate

FiO₂

Inspiratory time

9. A patient develops post-extubation stridor. What is the most appropriate initial intervention?

Immediate reintubation

Humidified oxygen, dexamethasone, monitor closely

Increase sedation

Perform emergency cricothyrotomy

10. Which airway assessment finding indicates the highest risk for difficult intubation?

Mallampati Class IV

Mallampati Class II

Normal mouth opening

Prominent thyroid cartilage

11. A patient requires mechanical ventilation post-operatively. Which mode provides the most patient control?

Controlled mandatory ventilation (CMV)

Synchronized intermittent mandatory ventilation (SIMV)

Pressure support ventilation (PSV)

Inverse ratio ventilation (IRV)

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Respiratory Skills Quiz: Airway to Ventilation

1. An endotracheal tube cuff pressure should be maintained between what range to prevent tracheal injury?

2.

What first name or nickname would you like us to use?

2. Which finding suggests tension pneumothorax requiring immediate decompression?

3. A patient with ARDS is started on lung-protective ventilation. What is the target tidal volume?

4. True or False: Hypercapnia (elevated CO₂) is always harmful and requires immediate correction.

5. Which of the following indicate readiness for weaning from mechanical ventilation?

6. Which blood gas result represents respiratory acidosis?

7. Acute hypoxemia is defined as PaO₂ less than ____ mmHg on room air.

8. Which ventilator setting directly controls the number of breaths delivered per minute?

9. A patient develops post-extubation stridor. What is the most appropriate initial intervention?

10. Which airway assessment finding indicates the highest risk for difficult intubation?

11. A patient requires mechanical ventilation post-operatively. Which mode provides the most patient control?

12. PEEP (positive end-expiratory pressure) primarily functions to ____.

13. The primary purpose of suctioning an intubated patient is to ____.

14. The A-a gradient (alveolar-arterial oxygen difference) helps assess ____.

15. Normal arterial oxygen tension (PaO2) on room air at sea level is approximately ____.