BCEN BCEN Respiratory Emergencies

Question 1

A patient presents with sudden pleuritic chest pain, dyspnea, and absent breath sounds on the left. What is the most likely diagnosis?

Accepted Answer

Pneumothorax

Answer

Pulmonary embolism

Answer

Hemothorax

Answer

Pleural effusion

Question 2

What is the immediate treatment for a tension pneumothorax?

Accepted Answer

Needle decompression at 2nd ICS midclavicular line

Answer

Chest X-ray then chest tube

Answer

High-flow O2 and observation

Answer

Intubation and mechanical ventilation

Question 3

Which ABG pattern is most consistent with acute respiratory failure (Type 1)?

Accepted Answer

pH 7.48, PaCO2 30, PaO2 55

Answer

pH 7.30, PaCO2 55, PaO2 80

Answer

pH 7.38, PaCO2 40, PaO2 58

Answer

pH 7.32, PaCO2 50, PaO2 60

Question 4

A patient with a known history of asthma presents with severe wheezing, accessory muscle use, and SpO2 of 88%. What is the priority intervention?

Accepted Answer

Nebulized albuterol and supplemental oxygen

Answer

Chest X-ray

Answer

IV corticosteroids only

Answer

Intubate immediately

Question 5

Which sign indicates impending respiratory arrest in a patient with severe asthma exacerbation?

Accepted Answer

Silent chest with markedly decreased air movement

Answer

Loud wheezing bilaterally

Answer

Moderate tachycardia

Answer

Mild accessory muscle use

Question 6

What is the most common cause of community-acquired pneumonia in adults in the US?

Accepted Answer

Streptococcus pneumoniae

Answer

Haemophilus influenzae

Answer

Legionella pneumophila

Answer

Mycoplasma pneumoniae