Thoracic Wall

Question 1

What is the Superior Thoracic Aperture?

Answer 1

Passage of structures between thorax and neck/upper limb

Question 2

What is the Inferior Thoracic Aperture?

Answer 2

Passage of structures between thorax and abdomen

Question 3

What ribs are typical?

Answer 3

3rd to 9th

Question 4

What ribs are atypical?

Answer 4

1st, 2nd, 10th and 12th

Question 5

What ribs are true?

Answer 5

1st to 7th

Question 6

What ribs are false?

Answer 6

8th to 10th

Question 7

What ribs are floating?

Answer 7

11th and 12th

Question 8

What rib articulates with the sternum at the manubriosternal angle?

Answer 8

Rib 2

Question 9

In the mid-axillary line the parietal pleura extends to the level of which rib?

Answer 9

Rib 10

Question 10

Changes in dimensions of the thoracic cavity on inspiration?

Answer 10

Ribs 1-6 and sternum move anteriorly and superiorly increasing the anterior-posterior dimensions

Ribs 7-12 move laterally increasing lateral dimensions.

Question 11

What are the muscles in the thoracic wall?

Answer 11

Intercostal, subcostal and transversus thoracis

Question 12

What are the secondary muscles in respiration?

Answer 12

Scalene and Serratus

Question 13

What muscles are found in C5-T1?

Answer 13

Pectoral muscles

Question 14

What muscles are found in C5-7?

Answer 14

Serratus muscles

Question 15

What muscles are found in T7-12?

Answer 15

External oblique muscles

Question 16

What muscles are also found in T7-12?

Answer 16

Rectus Abdominis

Question 17

What are the three layers of muscle?

Answer 17

External intercostal, internal intercostal and innermost intercostal

Question 18

What is found among the intercostal space?

Answer 18

Vein, artery and nerves

Question 19

What dermatome is found in the nipple region?

Answer 19

T4