CSS :: Respiratory System Physiology
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1. |
Respiration means: |
A. |
Intake of oxygen only |
B. |
Use of oxygen in oxidation of assimilated food resulting in liberation of energy and CO2 |
C. |
Removal of carbon dioxide only |
D. |
All of these |
Answer: Option D
Explanation:
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2. |
External respiration usually called breathing involves: |
A. |
Intake of oxygen only |
B. |
Removal of CO2 only |
C. |
Both of these processes |
D. |
None of these processes |
Answer: Option C
Explanation:
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3. |
How many times we breathe per minute: |
A. |
5 time |
B. |
10 times |
C. |
12 time |
D. |
72 times |
Answer: Option C
Explanation:
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4. |
We inhale about which of these amounts of air in one breathe: |
Answer: Option D
Explanation:
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5. |
Because being trapped in 'dead space' which of these amounts of inhaled air does not reach alveoli of our lungs: |
A. |
150ml |
B. |
250ml |
C. |
350ml |
D. |
None of these |
Answer: Option A
Explanation:
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6. |
The amount of air of respiratory importance reaching into alveoli is: |
Answer: Option D
Explanation:
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7. |
Air we inhale has which of the following substances in it: |
A. |
20.84% of oxygen |
B. |
0.04% of CO2 |
C. |
0.5% of water vapour |
D. |
All of these |
Answer: Option D
Explanation:
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8. |
After each expiration the alveoli of lungs contain which of these amounts of air: |
Answer: Option B
Explanation:
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9. |
Our normal O2 intake per minute amounts to: |
Answer: Option B
Explanation:
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10. |
We loose which of these amounts of CO2 per minute: |
Answer: Option B
Explanation:
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