Respiration is regulated by certain specialised centres in the brain. One of the following listed centres can reduce the inspiratory duration upon stimulation:

Respiratory rhythm centre

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Pneumotaxic centre

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Apneustic centre

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Chemosensitive centre

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Solution

The correct option is B Pneumotaxic centre
Pneumotaxic centre located in the pons varoli of the brain can reduce the duration of inspiration and thus alter the respiratory rate.

Respiratory rhythm centre is a specialised region present in medulla of the brain. It is primarily responsible for regulating the respiration.

The apneustic center stimulates the inspiratory neurons in the medulla and overstimulation of this area produces long, gasping inspirations that are interrupted by occasional expirations. This pattern is called apneustic breathing.

Chemosensitive centre is situated adjacent to the rhythm centre which is highly sensitive to $C O_{2}$ and hydrogen ions. Increase in $C O_{2}$ and $H^{+}$ ions in the body activates this centre.

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Similar questions

Respiratory process is regulated by certain specialised centres in the brain. One of the following Listed centres can reduce the inspiratory duration upon stimulation.

(a) Medullary inspiratory centre

(b) Pneumotaxic centre

(d) Chemosensitive centre

Q. Respiratory process is regulated by certain specialised centres in the brain. One of the following listed centres can reduce the inspiratory duration upon stimulation.

Q. Fill up the blanks in the following paragraph by selecting the correct option.
Human beings have a significant ability to maintain and moderate the respiratory rhythm, to suit the demands of the body tissues. This is done by the neural system. A specialised centre present in the medulla region of the brain called ___(i)___ is primarily responsible for this regulation. Another centre present in the pons region of the brain called ___(ii)___ can moderate the functions of the respiratory rhythm centre. Neural signal from this centre can reduce the duration of ___(iii)___ and thereby alter the respiratory rate. A __(iv)__ is situated adjacent to the rhythm centre which is highly sensitive to

C O_{2}

and hydrogen ions.

Q. Chemosensitive area of the respiratory centre of the brain is affected by

Q. Human beings have a significant ability to maintain and moderate the respiratory rhythm to suit the demands of the body. If :
Respiratory rhythm centre in medulla - R
Pneumotaxic centre in pons - PT
Chemosensitive area in medulla - C1
Peripheral chemoreceptors in aortic arch and carotid artery - C2

Find out the correct path for regulation of respiration.

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