Advanced Lung Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. What anatomical structure marks the bifurcation of the trachea?
- Carina
- Hilum
- Cricoid cartilage
- Larynx
Q2. Which lung segment is most commonly affected by aspiration in a supine patient?
- Apical segment of left upper lobe
- Basal posterior segment
- Right middle lobe
- Superior segment of right lower lobe
Q3. What histological feature distinguishes bronchi from bronchioles?
- Smooth muscle
- Ciliated cells
- Alveolar sacs
- Presence of cartilage and glands
Q4. Which cell type in the alveoli plays a primary role in removing debris?
- Type I pneumocytes
- Goblet cells
- Alveolar macrophages
- Basal cells
Q5. How does the pulmonary circulation accommodate increased cardiac output during exercise?
- Reduces lung compliance
- Dilates vessels and recruits capillaries
- Thickens alveolar membrane
- Contracts pulmonary veins
Q6. What is the function of Clara (club) cells in terminal bronchioles?
- Detoxify, secrete surfactant, repair epithelium
- Phagocytosis of bacteria
- Produce cilia
- Transport oxygen
Q7. Which layer of the pleura is sensitive to pain?
- Parietal pleura
- Pleural fluid layer
- Pulmonary ligament
- Visceral pleura
Q8. What is the partial pressure of oxygen in alveolar air under normal atmospheric conditions?
- 104 mmHg
- 75 mmHg
- 140 mmHg
- 120 mmHg
Q9. Which bronchopulmonary segment is anatomically adjacent to the heart on the left?
- Posterior segment
- Apical segment
- Anterior basal segment
- Lingular segment
Q10. What is the primary driving force for oxygen diffusion across the alveolar membrane?
- Osmotic pressure
- Oxygen partial pressure gradient
- Active transport proteins
- Carbon dioxide gradient