Control of Breathing

Question 1

The main respiratory center that is located in the medulla

Answer 1

DRG

Question 2

During exercise, this control center overdrives the main respiratory center

Answer 2

VRG in the medulla

Question 3

This control center which is located in the pons increases the RR

Answer 3

pneumotaxic center

Question 4

This control center prolongs inspiration leading to decreased RR

Answer 4

apneustic center

Question 5

This chemoreceptor causes increase in RR by responding to the CSF [H+]

Answer 5

Central Chemoreceptors

Located in the VENTRAL MEDULLA

Question 6

The peripheral chemoreceptors are located in ___ and ____

Answer 6

Carotid and aortic bodies

Question 7

The PaO2 of the patient is 50mmHg, what chemoreceptor recognizes it?

Answer 7

Peripheral chemoreceptors

Question 8

This chemoreceptor responds to High PaCO2 and high arterial [H+]

Answer 8

Peripheral chemoreceptor

Question 9

The increase in lactic acid increases ventilation. This chemoreceptor responds to increase in lactic acid

Answer 9

Peripheral chemoreceptors

Question 10

This mechanoreceptor is responsible for the feelings of dyspnea. This is located where?

Answer 10

Refers to J receptor which is located int eh juxtacapillary areas

Question 11

This mechanoreceptor is stimulated by limb movement which causes anticipatory increase in RR during exercise

Answer 11

Joint and muscle receptor

Question 12

The lung stretch receptor is stimulated by lung distension that decreases the RR bu prolonging the expiratory time. What do you call this reflex?

Answer 12

Herin-Breuer reflex

Question 13

Hypoxemia produces hyperventilation by a direct effect of the

Answer 13

Carotid and aortic body chemoreceptors