Regulation of Respiration
BIOXI17: BREATHING AND EXCHANGE OF GASES

338787 Respiratory movements are controlled by

1 Cerebellum
2 Cerebrum
3 Medulla oblongata
4 Crura cerebri
BIOXI17: BREATHING AND EXCHANGE OF GASES

338788 Neural signal from which centre can reduce the duration of inspiration is (Inspiration inhibition)

1 Chemosensitive area
2 Respiratory rhythm centre
3 Receptors associated with aortic arch and carotid artery
4 Pneumotaxic centre
BIOXI17: BREATHING AND EXCHANGE OF GASES

338789 Assertion :
A chemosensitive area is situated adjacent to the rhythm centre which is highly sensitive to \(\mathrm{CO}_{2}\) and hydrogen ions.
Reason :
The role of oxygen in the regulated of respiratory rhythm is quite insignificant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338790 The respiratory process is regulated by respiratory rhythm centre present in medulla of the brain, which is?

1 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in aortic arch
2 Stimulated by higher \(\mathrm{CO}_{2}\) and higher \(\mathrm{H}^{+}\) concentration.
3 Inhibited byhigher \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\)concentration
4 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in carotid artery
BIOXI17: BREATHING AND EXCHANGE OF GASES

338791 Identify which of the following is incorrect?
i. Incase of forceful expiration, lungs become empty
ii. Exchange of gases in the lungs is interrupted during expiration.
iii. Chemosensitive area of respiratory centre in medulla is affected by excess \(\mathrm{CO}_{2}\) and \(\mathrm{H}^{+}\)ions
iv. Respiratory movements are controlled by \(\mathrm{CO}_{2}\) concentration of arterial blood

1 ii and iii only
2 i and ii only
3 i only
4 iii and iv only
BIOXI17: BREATHING AND EXCHANGE OF GASES

338787 Respiratory movements are controlled by

1 Cerebellum
2 Cerebrum
3 Medulla oblongata
4 Crura cerebri
BIOXI17: BREATHING AND EXCHANGE OF GASES

338788 Neural signal from which centre can reduce the duration of inspiration is (Inspiration inhibition)

1 Chemosensitive area
2 Respiratory rhythm centre
3 Receptors associated with aortic arch and carotid artery
4 Pneumotaxic centre
BIOXI17: BREATHING AND EXCHANGE OF GASES

338789 Assertion :
A chemosensitive area is situated adjacent to the rhythm centre which is highly sensitive to \(\mathrm{CO}_{2}\) and hydrogen ions.
Reason :
The role of oxygen in the regulated of respiratory rhythm is quite insignificant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338790 The respiratory process is regulated by respiratory rhythm centre present in medulla of the brain, which is?

1 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in aortic arch
2 Stimulated by higher \(\mathrm{CO}_{2}\) and higher \(\mathrm{H}^{+}\) concentration.
3 Inhibited byhigher \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\)concentration
4 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in carotid artery
BIOXI17: BREATHING AND EXCHANGE OF GASES

338791 Identify which of the following is incorrect?
i. Incase of forceful expiration, lungs become empty
ii. Exchange of gases in the lungs is interrupted during expiration.
iii. Chemosensitive area of respiratory centre in medulla is affected by excess \(\mathrm{CO}_{2}\) and \(\mathrm{H}^{+}\)ions
iv. Respiratory movements are controlled by \(\mathrm{CO}_{2}\) concentration of arterial blood

1 ii and iii only
2 i and ii only
3 i only
4 iii and iv only
BIOXI17: BREATHING AND EXCHANGE OF GASES

338787 Respiratory movements are controlled by

1 Cerebellum
2 Cerebrum
3 Medulla oblongata
4 Crura cerebri
BIOXI17: BREATHING AND EXCHANGE OF GASES

338788 Neural signal from which centre can reduce the duration of inspiration is (Inspiration inhibition)

1 Chemosensitive area
2 Respiratory rhythm centre
3 Receptors associated with aortic arch and carotid artery
4 Pneumotaxic centre
BIOXI17: BREATHING AND EXCHANGE OF GASES

338789 Assertion :
A chemosensitive area is situated adjacent to the rhythm centre which is highly sensitive to \(\mathrm{CO}_{2}\) and hydrogen ions.
Reason :
The role of oxygen in the regulated of respiratory rhythm is quite insignificant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338790 The respiratory process is regulated by respiratory rhythm centre present in medulla of the brain, which is?

1 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in aortic arch
2 Stimulated by higher \(\mathrm{CO}_{2}\) and higher \(\mathrm{H}^{+}\) concentration.
3 Inhibited byhigher \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\)concentration
4 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in carotid artery
BIOXI17: BREATHING AND EXCHANGE OF GASES

338791 Identify which of the following is incorrect?
i. Incase of forceful expiration, lungs become empty
ii. Exchange of gases in the lungs is interrupted during expiration.
iii. Chemosensitive area of respiratory centre in medulla is affected by excess \(\mathrm{CO}_{2}\) and \(\mathrm{H}^{+}\)ions
iv. Respiratory movements are controlled by \(\mathrm{CO}_{2}\) concentration of arterial blood

1 ii and iii only
2 i and ii only
3 i only
4 iii and iv only
BIOXI17: BREATHING AND EXCHANGE OF GASES

338787 Respiratory movements are controlled by

1 Cerebellum
2 Cerebrum
3 Medulla oblongata
4 Crura cerebri
BIOXI17: BREATHING AND EXCHANGE OF GASES

338788 Neural signal from which centre can reduce the duration of inspiration is (Inspiration inhibition)

1 Chemosensitive area
2 Respiratory rhythm centre
3 Receptors associated with aortic arch and carotid artery
4 Pneumotaxic centre
BIOXI17: BREATHING AND EXCHANGE OF GASES

338789 Assertion :
A chemosensitive area is situated adjacent to the rhythm centre which is highly sensitive to \(\mathrm{CO}_{2}\) and hydrogen ions.
Reason :
The role of oxygen in the regulated of respiratory rhythm is quite insignificant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338790 The respiratory process is regulated by respiratory rhythm centre present in medulla of the brain, which is?

1 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in aortic arch
2 Stimulated by higher \(\mathrm{CO}_{2}\) and higher \(\mathrm{H}^{+}\) concentration.
3 Inhibited byhigher \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\)concentration
4 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in carotid artery
BIOXI17: BREATHING AND EXCHANGE OF GASES

338791 Identify which of the following is incorrect?
i. Incase of forceful expiration, lungs become empty
ii. Exchange of gases in the lungs is interrupted during expiration.
iii. Chemosensitive area of respiratory centre in medulla is affected by excess \(\mathrm{CO}_{2}\) and \(\mathrm{H}^{+}\)ions
iv. Respiratory movements are controlled by \(\mathrm{CO}_{2}\) concentration of arterial blood

1 ii and iii only
2 i and ii only
3 i only
4 iii and iv only
BIOXI17: BREATHING AND EXCHANGE OF GASES

338787 Respiratory movements are controlled by

1 Cerebellum
2 Cerebrum
3 Medulla oblongata
4 Crura cerebri
BIOXI17: BREATHING AND EXCHANGE OF GASES

338788 Neural signal from which centre can reduce the duration of inspiration is (Inspiration inhibition)

1 Chemosensitive area
2 Respiratory rhythm centre
3 Receptors associated with aortic arch and carotid artery
4 Pneumotaxic centre
BIOXI17: BREATHING AND EXCHANGE OF GASES

338789 Assertion :
A chemosensitive area is situated adjacent to the rhythm centre which is highly sensitive to \(\mathrm{CO}_{2}\) and hydrogen ions.
Reason :
The role of oxygen in the regulated of respiratory rhythm is quite insignificant.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338790 The respiratory process is regulated by respiratory rhythm centre present in medulla of the brain, which is?

1 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in aortic arch
2 Stimulated by higher \(\mathrm{CO}_{2}\) and higher \(\mathrm{H}^{+}\) concentration.
3 Inhibited byhigher \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\)concentration
4 Stimulated by lower \(\mathrm{O}_{2}\) and \(\mathrm{H}^{+}\) concentration in carotid artery
BIOXI17: BREATHING AND EXCHANGE OF GASES

338791 Identify which of the following is incorrect?
i. Incase of forceful expiration, lungs become empty
ii. Exchange of gases in the lungs is interrupted during expiration.
iii. Chemosensitive area of respiratory centre in medulla is affected by excess \(\mathrm{CO}_{2}\) and \(\mathrm{H}^{+}\)ions
iv. Respiratory movements are controlled by \(\mathrm{CO}_{2}\) concentration of arterial blood

1 ii and iii only
2 i and ii only
3 i only
4 iii and iv only