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प्रश्न
Give any two effects of carbon monoxide poisoning.
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उत्तर
- In the presence of carbon monoxide, haemoglobin readily combines to form a stable compound called carboxyhaemoglobin.
- The formation of carboxyhaemoglobin prevents the binding of oxygen with haemoglobin and less haemoglobin is available for oxygen transport depriving the cells of oxygen.
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संबंधित प्रश्न
The size of the chest cavity increases during inhalation.
Choose the correct alternative.
_______ muscles contract when the external intercostal muscles contract.
Define Hamburger’s phenomenon. Add a note on it.
Differentiate between inhalation and exhalation.
Make the correct pairs.
| Column – I | Column – II |
| (P) IC | i. maximum volume of air breathe in after forced. |
| (Q) EC | ii. Volume of air present after expiration in lungs. |
| (R) VC | iii. Volume of air inhaled after expiration. |
| (S) FRC | iv. Volume of air present after expiration in lungs. |
______ is formed when carbon monoxide combines with haemoglobin.
In Hamburger’s phenomenon, ______.
The figure given below shows a small part of human lung where exchange of gas takes place. In which one of the options given below, the one part A, B, C or D is correctly identified along with its function.
Listed below are four respiratory capacities (1 - 4) and four jumbled respiratory volumes of a normal human adult
| Respiratory Capacities | Respiratory Volumes |
| 1. Residual volume | 2500 mL |
| 2. Vital capacity | 5500 mL |
| 3. Inspiratory sore volume | 1200 mL |
| 4. Total Lung capacity | 4500 mL |
Which one of the following is the correct matching of two capacities and volumes?
Interpret the given diagrams A and B. Enlist the changes occuring, during inspiration and expiration.
