Q.1: The respiration through lungs is known as ___________ respiration.
a) branchial
b) pulmonary
c) cutaneous
Q.2: ________________ reduces friction on the lung surface during the respiratory movements.
a) pericardial fluid
b) tissue fluid
c) pleural fluid
Q.3: While ___________, the pressure within the lungs is less than the atmospheric pressure.
a) inspiration
b) expiration
c) none
Q.4: The volume of air involved in breathing movements can be estimated using a ____________, which helps in clinical assessment of pulmonary functions.
a) spirometer
b) RMMI
c) manometer
Q.5: The amount of additional volume of air, a person can inspire by a forcible inspiration is known as ___________________.
a) Residual Volume
b) Expiratory Reserve Volume
c) Inspiratory Reserve Volume
Q.6: Volume of air that remains in lungs after a normal expiration is known as ________________.
a) Residual Volume
b) Functional Residual Capacity
c) Expiratory Capacity
Q.7: About _________ % of oxygen is transported by RBCs in the blood.
a) 93
b) 97
c) 98
Q.8: Each haemoglobin molecule can carry a maximum of _________ molecules of oxygen.
a) 3
b) 4
c) 5
Q.9: Every 100 ml of oxygenated blood can deliver around _____ ml of oxygen to the tissues under the normal physiological conditions.
a) 5
b) 10
c) 20
Q.10: On which of the following factors does the rate of diffusion depend ?
i) partial pressure gradients of O2 (pO2 ) and CO2 (pCO2 )
ii) thickness of the diffusion surface
iii) rate of metabolism
a) i and ii
b) ii and iii
c) i and iii
Answers:
- b
- c
- a
- a
- c
- b
- b
- b
- a
- a
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