Question

52
Pneumotaxic centre is present in
a) Pons
b) Cerebrum
c) Cerebellum
d) Medulla oblongata​

Answer 1

Answer:

Option a) Pons

Explanation:

• The Hindbrain consists of two divisions: metencephalon and myelencephalon. While the myelencephalon is constituted of the medulla oblongata, the metencephalon is constituted by the pons and cerebellum.

• The pneumotaxic center is located in the dorsal part of the pons region of the hindbrain. This is very effective in controlling the switch-off point of breathing or respiratory ramp thereby controlling the filling phase of the lung cycle.

• This pneumotaxic center is a group of nuclei that regulate the respiratory rhythm is present in the upper pons Varolii region in the hindbrain.

Hence option a)Pons is correct.