FCCS FCCS Respiratory Management 2

Question 1

In a patient on mechanical ventilation, sudden increase in peak airway pressure with unchanged plateau pressure most likely indicates:

Accepted Answer

Increased airway resistance (e.g., bronchospasm, secretions)

Answer

Pneumothorax

Answer

Decreased lung compliance

Answer

Right mainstem intubation

Question 2

What is the primary purpose of PEEP in mechanical ventilation?

Accepted Answer

Prevent alveolar collapse and improve oxygenation

Answer

Increase tidal volume

Answer

Reduce respiratory rate

Answer

Decrease FiO2 requirements acutely

Question 3

Which acid-base disturbance is most commonly caused by mechanical hyperventilation?

Accepted Answer

Respiratory alkalosis

Answer

Metabolic acidosis

Answer

Metabolic alkalosis

Answer

Respiratory acidosis

Question 4

Before oral intubation, pre-oxygenation should ideally achieve what SpO2?

Accepted Answer

100%

Answer

Greater than 88%

Answer

Greater than 95%

Answer

Greater than 90%

Question 5

Endotracheal tube cuff pressure should be maintained between which values to prevent tracheal injury?

Accepted Answer

20–30 cmH2O

Answer

5–10 cmH2O

Answer

35–45 cmH2O

Answer

50–60 cmH2O

Question 6

Which breath sound finding is most consistent with right mainstem intubation?

Accepted Answer

Absent breath sounds on the left

Answer

Bilateral wheezing

Answer

Stridor over the trachea

Answer

Crackles bilaterally