PAEA Surgery End Of Rotation (EOR) Practice Exam

Which of the following is NOT a cause of chronic dyspnea on exertion?

1. Asthma

2. Pneumothorax

3. Obesity

4. Cardiac dysfunction

The correct answer is: Pneumothorax

Chronic dyspnea on exertion is typically associated with conditions that cause a gradual decrease in the ability to breathe properly during physical activity over time. asthma is a chronic respiratory condition that can lead to episodic wheezing and dyspnea, particularly with exertion. Obesity can result in increased work of breathing and reduced lung volumes, making exertion more difficult and leading to chronic dyspnea. Cardiac dysfunction, such as heart failure, can also cause exertional dyspnea due to inadequate cardiac output and pulmonary congestion. Pneumothorax, on the other hand, is usually an acute condition characterized by the presence of air in the pleural space that leads to sudden onset of dyspnea and often chest pain. While a pneumothorax can cause difficulty breathing, it does not typically present as a chronic issue that causes exertional dyspnea over time. Instead, it needs immediate intervention and is not associated with chronic breathing difficulties in the same manner as the other conditions listed. Thus, it is not considered a cause of chronic dyspnea on exertion.