- 1(current)
Q. No.In the regulation of respiration, a chemosensitive area adjacent to the rhythm centre in the medulla region of the brain, is highly sensitive to:
1. \(HCO^-_3\)
2. \(CO_2\)
3. \(O_2\)
4. \(N_2\)
Subtopic: Â Respiratory System: Regulation of Respiration |
 80%
Level 1: 80%+
NEET - 2022
Hints
Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.
| 1. | Medulla | 2. | Pons |
| 3. | Thalamus | 4. | Cerebrum |
Subtopic: Â Respiratory System: Regulation of Respiration |
 85%
Level 1: 80%+
NEET - 2022
Hints
Match the following columns and select the correct option:
| Column-I | Column-II | ||
| (a) | Pneumotaxic Centre | (i) | Alveoli |
| (b) | O2 Dissociation curve | (ii) | Pons region of the brain |
| (c) | Carbonic Anhydrase | (iii) | Haemoglobin |
| (d) | Primary site of exchange of gases | (iv) | R.B.C. |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (i) | (iii) | (ii) | (iv) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (iii) | (ii) | (iv) | (i) |
| 4. | (iv) | (i) | (iii) | (ii) |
Subtopic: Â Respiratory System: Exchange of Gases |Â Respiratory System: Regulation of Respiration |
 95%
Level 1: 80%+
NEET - 2020
Hints
- 1(current)
Q. No.
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