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Gaseous Exchange /
Quiz 3

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NCAT - Practice Test - Biology - Gaseous Exchange Quiz

Attempt 10 MCQs on NCAT - Practice Test - Biology - Gaseous Exchange | Quiz 3

21. Which lung volume cannot be measured by spirometry?

Residual volume
Expiratory reserve volume
Tidal volume
Inspiratory capacity

22. What is the maximum volume of air the lungs can hold?

Total lung capacity
Vital capacity
Functional residual capacity
Minute ventilation

23. What is the volume of air breathed per minute?

Minute ventilation
Alveolar ventilation
Dead space ventilation
Pulmonary blood flow

24. Which spirometry measurement assesses airway obstruction?

FEV1
FVC
PEF
MVV

25. What condition results from air entering the pleural space?

Pneumothorax
Hemothorax
Pleural effusion
Atelectasis

26. Which reflex limits lung inflation?

Hering-Breuer reflex
Cough reflex
Sneeze reflex
Bainbridge reflex

27. Which part of the brain controls the basic rhythm of breathing?

Medulla oblongata
Pons
Both
Cerebellum

28. Which sensors detect blood gas levels?

Carotid bodies
Aortic bodies
Central chemoreceptors
All of these

29. What effect shifts the oxygen-hemoglobin dissociation curve to the right?

Bohr effect
Haldane effect
Root effect
Christian effect

30. What effect explains increased CO₂ carriage by deoxygenated blood?

Haldane effect
Bohr effect
Haldane-Bohr effect
Carbon dioxide transport

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