Week 10 (A)

Question 1

What is the name of the nerve that innervates the diaphragm?

And which part of the spinal cord does it come out of?

Answer 1

Phrenic nerve

Cervical

Question 2

What nerves innovate the intercostal muscles?

And which part of the spine do they come out of?

Answer 2

Intercostal nerves

Thoracic spine

Question 3

What nerves innovate the ‘accessory muscles’ required for breathing during high work etc (like abdomen)?

And which part of the spine do they come out of?

Answer 3

Dunno nerve name

But they come from the spinal column

Question 4

Where is the main respiratory pacemaker located?

Answer 4

In the PRE BOETZINGER COMPLEX

Question 5

What is the region of the brain that response to C02?

Answer 5

Retrotrapeziod nucleus (RTN)

RETRO-TRAPEZIOD nucleus (RTN)

Question 6

There are 02 and C02 sensors in peripheral arteries that send signals to the RETRO-TRAPEZIOD nucleus (RTN), T/F

Answer 6

TRUE

Question 7

Name the two peripheral inputs to the respiratory centre?

Answer 7

1. Chemosensors (through he RTN)

2. Lung irritant and stretch: (through the DRG)

Question 8

From a respiratory perspective, what substance becomes very low during a panic attack

Answer 8

C02

Question 9

What is the tern given to the discomfort of being short of breath?

Answer 9

Dyspnea

Question 10

What have studies shown about the impact of ‘relaxed’ breathing vs ‘attentive’ deep slow breathing on pain threshold, autonomic activity and mood

Answer 10

Only relaxed breathing increased pain threshold and sympathetic activity