Q1. Which part of the respiratory system is the common passage for food and air?A. LarynxB. TracheaC. PharynxD. Bronchi
Q2. Which of the following animals use tracheal tubes for respiration?A. EarthwormsB. FrogsC. InsectsD. Fishes
Q3. Which of the following statements about lung function is correct?A. Lung expansion is caused by contraction of the pleura.B. Air moves into the lungs when intrapulmonary pressure is lower than atmospheric pressure.C. Gas exchange occurs primarily in the bronchi.D. Expiration is caused by contraction of the diaphragm.
Q4. Which lung capacity includes Tidal Volume and Inspiratory Reserve Volume?A. Vital CapacityB. Expiratory CapacityC. Inspiratory CapacityD. Functional Residual Capacity
Q5. Which of the following correctly represents the partial pressure of oxygen (pO₂) in the alveoli?A. 159 mmHgB. 95 mmHgC. 40 mmHgD. 104 mmHg
Q6. What is the function of surfactant in the alveoli?A. Facilitates oxygen transportB. Reduces surface tensionC. Enhances carbon dioxide transportD. Stimulates respiratory muscles
Q7. Which part of the respiratory system is commonly called the "voice box"?A. TracheaB. LarynxC. PharynxD. Bronchi
Q8. Which parameter is used to assess lung function in a clinical setting?A. Body Mass IndexB. SpirometryC. Blood pressure monitoringD. Electrocardiogram
Q9. Which of the following statements about hemoglobin and oxygen transport is correct?A. Hemoglobin binds oxygen irreversibly.B. Oxygen dissociation from hemoglobin is influenced by pH and pCO₂ levels.C. Oxygen transport is unaffected by temperature changes.D. Oxygen binds to hemoglobin in tissues and is released in the lungs.
Q10. What type of respiration is used by amphibians like frogs in addition to pulmonary respiration?A. Tracheal respirationB. Cutaneous respirationC. Branchial respirationD. Anaerobic respiration