Muscles Of Respiration

Question 1

Origin of diaphragm

Answer 1

. Xiphoid process
. Ribs 7-12
. Costal cartilages
. Li-L3

Question 2

Origin of external intercostals

Answer 2

Inferior border of the rib above

Question 3

Origin of internal intercostals

Answer 3

Superior border of the rib below

Question 4

Origin of the innermost intercostals

Answer 4

Adjacent ribs

Question 5

Insertion of the diaphragm

Answer 5

Central tendon of diaphragm

Question 6

Insertion of external intercostals

Answer 6

Superior border of the rib below

Question 7

Insertion for internal intercostals

Answer 7

Inferior border of the rib above

Question 8

Insertion for the innermost intercostals

Answer 8

Adjacent ribs

Question 9

What 2 nerves innervate the muscles of respiration?

Answer 9

1.) phrenic
2.) Intercostals nerves

Question 10

List is the only muscle innervated by the phrenic nerve?

Answer 10

Diaphragm

Question 11

What is the primary muscle of respiration?

Answer 11

The diaphragm

Question 12

What two muscles are involved in inspiration?

Answer 12

Diaphragm
External intercostals

Question 13

What 2 muscles are involves in expiration?

Answer 13

Internal intercostals
Innermost intercostals