Respiratory Regulation

Question 1

Which control centre is responsible for respiratory regulation?

Answer 1

Respiratory Control Centre (RCC)

Question 2

Where is the RCC located?

Answer 2

Medulla Oblongata

Question 3

What are the 3 stages of respiratory regulation?

Answer 3

Feedback received via receptors
Sent to RCC
Action created (using motor nerves)

Question 4

What two centres are present in the RCC?

Answer 4

Inspiratory Centre

Expiratory Centre

Question 5

Role of IC

Answer 5

Stimulate inspiratory muscles to contract and relax at rest and during exercise
Responsible for rhythmic breathing

Question 6

Role of EC

Answer 6

Inactive at rest

Stimulate additional expiratory muscles to contract and relax during exercise

Question 7

IC: What does the intercostal nerve stimulate?

Answer 7

External intercostals

Question 8

IC: What does the phrenic nerve stimulate?

Answer 8

Diaphragm

Question 9

What 4 receptors are responsible for respiratory regulation?

Answer 9

Barorecpetors
Chemoreceptors
Proprioreceptors
Thermorecpetors

Question 10

Which 1 receptor is responsible for chemical control?

Answer 10

Chemoreceptors

Question 11

Which 3 receptors are responsible for neural control?

Answer 11

Barorecpetors
Proprioreceptors
Thermorecpetors

Question 12

Which 3 receptors work with the IC during inspiration?

Answer 12

Chemoreceptors
Proprioreceptors
Thermorecpetors

Question 13

Which 1 receptor works with the EC during expiration?

Answer 13

Baroreceptors

Question 14

Overall aim of IC:

Answer 14

Increase breathing depth

Question 15

Overall aim of EC:

Answer 15

Increase breathing rate