Obstructive Sleep Apnea MCQ Quiz | Respiratory System

Welcome to the Obstructive Sleep Apnea (OSA) quiz, specifically designed for MBBS students. This quiz will test your understanding of the pathophysiology, risk factors, diagnosis, and management of OSA, a critical topic within the respiratory system module. It consists of 25 multiple-choice questions that reflect the level of detail expected in your professional exams. Carefully read each question and select the best possible answer. After submitting, you’ll receive your score and a detailed review of your answers. For your revision, you can also download all the questions along with their correct answers in a convenient PDF format. Good luck!

1. What is the primary pathophysiological event in Obstructive Sleep Apnea (OSA)?

2. Apnea is defined as the cessation of airflow for at least how long?

3. The Apnea-Hypopnea Index (AHI) represents the total number of apneas and hypopneas per:

4. Which of the following is considered the most significant modifiable risk factor for OSA?

5. The gold standard for the diagnosis of Obstructive Sleep Apnea is:

6. What is the first-line treatment for most patients with moderate to severe OSA?

7. A patient with an AHI of 25 events/hour would be classified as having:

8. Which of the following is NOT a common site of upper airway collapse in OSA?

9. Untreated severe OSA is a significant independent risk factor for which of the following cardiovascular conditions?

10. The Epworth Sleepiness Scale (ESS) is a questionnaire used to assess:

11. Which anatomical feature is a well-known risk factor for OSA?

12. A neck circumference greater than which value is a strong predictor for OSA in adult males?

13. Which endocrine disorder is commonly associated with an increased risk of OSA due to macroglossia and soft tissue deposition?

14. What is the most common symptom reported by patients with OSA?

15. A high Mallampati score (Class III or IV) indicates:

16. Polysomnography (PSG) records all of the following parameters EXCEPT:

17. A diagnosis of severe OSA is confirmed when the AHI is:

18. Which of the following metabolic conditions is strongly linked to OSA, independent of obesity?

19. Patients with untreated OSA are at an increased risk of:

20. Which of the following is a common side effect of CPAP therapy?

21. Hypopnea is typically defined as a reduction in airflow by at least 30% for 10 seconds, associated with:

22. Oral appliances are a therapeutic option for OSA. Their primary mechanism of action is:

23. Which of the following is NOT a typical feature of the history of a patient with OSA?

24. The STOP-BANG questionnaire is a screening tool for OSA. What does the ‘B’ stand for?

25. In OSA, repetitive episodes of hypoxia and reoxygenation lead to increased levels of:

Author

  • G S Sachin Author Pharmacy Freak
    : Author

    G S Sachin is a Registered Pharmacist under the Pharmacy Act, 1948, and the founder of PharmacyFreak.com. He holds a Bachelor of Pharmacy degree from Rungta College of Pharmaceutical Science and Research and creates clear, accurate educational content on pharmacology, drug mechanisms of action, pharmacist learning, and GPAT exam preparation.

    Mail- Sachin@pharmacyfreak.com

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