Gaseous Exchange in Humans Quiz
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Which of the following is NOT the structure of haemoglobin?
A. Each haemoglobin molecule contains 4 haem group
B. Haemoglobin is a quaternary structure
C. Every each haem group in haemoglobin can bind with 4 molecule of oxygen
D. Each haemoglobin has 2 α-chain and 2 β-chain polypeptide subunits
In ……… , the alveolus loses its elasticity and increases in size.
A. asthma
B. chronic bronchitis
C. emphysema
D. gastrisis
Which of the following is not Chronic Obstructive Pulmonary Disease (COPD)?
A. asthma
B. chronic bronchitis
C. emphysema
D. gastrisis
Tiny air sacs for gaseous exchange . It looks like grape
A. Alveolus
B. Blood capillary
C. Lung
D. Trachea
Gaseous exchange is by process of
A. respiration
B. diffusion
Oxyhaemoglobin gives up O2 when …
A. CO2 concentrations are high.
B. Body temperature is lowered.
C. pH values are high.
D. O2 concentrations are higher.
Which of the following is not correct about alveolus?
A. Thick wall
B. Thin wall
C. Moist wall
D. Large surface area
In ……… , bronchiole becomes inflamed, swollen and blocked.
A. asthma
B. chronic bronchitis
C. emphysema
D. gastrisis
Which of the following helps an asthmatic patient to breathe?
A. inhaler
B. medicine
C. mask
D. intravenous injection
Carbonic anhydrase in the erythrocytes …
A. Catalyzes the removal of oxygen from the erythrocytes.
B. Catalyzes the conversion of carbon dioxide into water.
C. Catalyzes the reaction of carbon dioxide with water to form carbonic acid.
D. Catalyzes the increase in blood pH.
Name A
A. Trachea
B. Lung
C. Alveolus
D. Blood capillary
Most of the carbon dioxide produced by the body tissue is transported to the lungs in the form of …
A. Carbonic acid.
B. Blood plasma.
C. Bicarbonate ion.
D. Carbaminohaemoglobin.
Which of the following disease causes continuous coughing?
A. asthma
B. chronic bronchitis
C. emphysema
D. gastrisis
Name B
A. Trachea
B. Lung
C. Alveolus
D. Blood capillary
Why the gaseous exchange becomes less efficient for an emphysema patient?
A. alveolus wall is moist
B. the total surface area of alveolus decreases
C. alveolus is elastic
D. alveolus decrease in size
