CFRN Respiratory Emergencies and Mechanical Ventilation 3

Question 1

What is the primary risk of administering 100% FiO2 for extended periods during flight transport?

Accepted Answer

Absorption atelectasis and oxygen toxicity

Answer

Hypercapnia

Answer

Hypoglycemia

Answer

Pulmonary hypertension

Question 2

A patient on CPAP via facemask vomits during transport. What is the immediate priority?

Accepted Answer

Remove the mask, suction the airway, and prepare for intubation if needed

Answer

Increase CPAP pressure to prevent aspiration

Answer

Turn the patient prone

Answer

Administer antiemetics without interrupting CPAP

Question 3

Which breath sound finding is associated with pulmonary edema during auscultation in-flight?

Accepted Answer

Bilateral basilar crackles (rales)

Answer

Stridor

Answer

Unilateral absent breath sounds

Answer

Expiratory wheezing only

Question 4

Auto-PEEP (intrinsic PEEP) is most likely to develop in which type of transport patient?

Accepted Answer

Mechanically ventilated COPD or asthma patient with air trapping

Answer

Patient with cardiogenic shock on low respiratory rates

Answer

Patient with ARDS on high PEEP settings

Answer

Patient with normal lung compliance on assist-control ventilation

Question 5

What is the recommended initial SpO2 target for adult non-COPD patients during air medical transport?

Accepted Answer

94–98%

Answer

88–92%

Answer

92–96%

Answer

100%

Question 6

During RSI in a patient with a suspected difficult airway, which backup airway device should be immediately available if intubation fails?

Accepted Answer

Supraglottic airway device (e.g., LMA or King LT)

Answer

Nasopharyngeal airway only

Answer

Rigid bronchoscope

Answer

Tracheostomy kit only