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BREATHING AND RESPIRATION (II)
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Question 1 |
Alveoli surfactant is produced by
Kupffer's cells | |
Dust cells | |
Type I pneumocyte | |
Type II pneumocyte |
Question 2 |
The "mountain sickness" in persons climbing to high attitudes without the aid of oxygen cylinders is due to
lack of sufficient amount of haemoglobin | |
lack of sufficient amount of erythrocytes | |
arterial hypoxia | |
anaemic hypoxia |
Question 3 |
If the length of trachea is extended to the length of two vertebrae in the linear position, to which thoracic vertebrae, the trachea is divided:
5th vertebrae | |
7th vertebrae. | |
12th vertebrae. | |
8th vertebrae. |
Question 4 |
Sound production in humans is controlled by
Pharynx | |
Larynx | |
Nares | |
Lungs |
Question 5 |
Assertion: CO2 is carried in the plasma mainly as HCO3- ions.
Reason: Enzyme carbonic anhydrase of RBC catalyses the formation of HCO3- ions that enter the plasma.
Reason: Enzyme carbonic anhydrase of RBC catalyses the formation of HCO3- ions that enter the plasma.
Both Assertion and Reason are true and Reason is the correct explanation of Assertion. | |
Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion. | |
Assertion is true but Reason is false. | |
Both Assertion and Reason are false. |
There are 5 questions to complete.