Muscles

Question 1

Which anatomical part closes the inferior thoracic apeture

Answer 1

Diaphragm

Question 2

What are the two parts of the diaphragm

Answer 2

Muscular part
Central tendon

Question 3

Where do the muscular fibers of the muscular part of the diaphragm originate from?

Answer 3

Lumbar vertebrae
Costal cartilage of ribs 7-10
Ribs 11-12
Xiphoid process of the sternum

Question 4

List the named openings of the diaphragm

Answer 4

Caval opening of diaphragm
Aortic hiatus
oesophaegal hiatus

Question 5

In which part of the diaphragm is the caval opening located?

Answer 5

Located on the central tendon on T8

Question 6

Which anatomical items accompany the esophagus through the esophageal hiatus?

Answer 6

Right and Left vagus nerve
Esophageal br. of the left gastric artery and vein.

Question 7

Where does the thoracic duct pass through the diaphragm

Answer 7

Aortic hiatus

Question 8

Name atleast two accessory respiratory muscles

Answer 8

Sternocleidomastoid muscle
pectoralis major
pectoralis minor
latissimus dorsi
External/ Internal obliques muscle

Question 9

Which is the most lateral part of the erector spinae muscle

Answer 9

illiocostalis

Question 10

Name the intercostal muscles

Answer 10

External
Internal
Innermost intercostalis

Question 11

Which intercostal muscle is inspiratory muscle

Answer 11

External intercostals

Question 12

Which intercostal muscle is expiratory muscle?

Answer 12

Internal intercostals