Thorax

Question 1

Arrangement of structures BELOW the ribs

Answer 1

VAN

Question 2

Superior margin od manubrium

Answer 2

Jugular notch

Question 3

Also called manubriosternal joint

Answer 3

Sternal angle of Louis

Question 4

Located at level of sternal angle of Louis

Answer 4

1. Second rib articulation to sternum
2. Begin of aortic arch
3. End of aortic arch
4. Bifurcation of trachea
5. Leve of T4-T5

Question 5

When xyphoid process becomes bony

Answer 5

40 yrs old

Question 6

True ribs

Answer 6

1st-7th

Question 7

False ribs/ vertebrochondral

Answer 7

8th-12th

Question 8

Floating ribs

Answer 8

11 and 12

Question 9

Typical ribs

Answer 9

3-9

Question 10

Head of the rib articulates to what part of vertebrae?

Answer 10

Vertebral body immediately above

Question 11

Where does the tubercle or the ribs articulate?

Answer 11

Transverse process of the same numerical rib

Question 12

Atypical ribs

Answer 12

1,2,10,11,12

Question 13

What happens anterior of the first rib?

Answer 13

Subclavian vein crosses the rib

Question 14

What happens post. Of the first rib?

Answer 14

Subclavian artery and lower trunk of brachial plexus cross rib

Question 15

Part lacking in ribs 11-12

Answer 15

Neck and tubercle

Question 16

Weakest part of the rib

Answer 16

Anterior to the angle

Question 17

Most commonly fractured ribs

Answer 17

5-9

Question 18

Lesion to the lower trunk of brachial plexus produces pain down the medial forearm (ulnar nerve involved)

Answer 18

Thoracic outlet obstruction

Question 19

Movement of diaphragm on inspiration or expiration

Answer 19

Ins- down

Exp- up

Question 20

Muscles depress ribs

Answer 20

Serratus post inf
Int intercostal
Transverse thoracis

Question 21

Blood supply of posterior intercostal

Answer 21

First 2- superior intercostal from costocervical trunk

Remaining- descending aorta

Question 22

Blood supply of anterior intercostal:

Answer 22

Upper 6- internal thoracic artery

Ramining- muschilophrenic

Question 23

Boarders of mediastinum

Answer 23

Superior- thoracic inlet
Inferior- diaphragm
Anterior- sternum and costal cartilages
Posterior- bodies of thoracic vert

Question 24

Contents of superior mediastinum

Answer 24

Brachiocephalic
AA
trachea
Svc
Thoracic duct
Esophagus 
Vagus and phrenic nerves
Thymus

Question 25

Contents of anterior mediastinum

Answer 25

Thymus
Anterior mediastinal Ln
Internal mammarey vessels

Question 26

Middle mediastinum contents

Answer 26

Heart
Ascending and transverse aortic arches
Vena cava
Brachiocephalic vessles
Pulmo vessles
Phrenic nerve
Trachea and main bronchus

Question 27

Posterior mediastinum contents

Answer 27

Descending aorta 
Esophagus
Thoracic duct
Azygous and hemi-azygoue veins
Posterior mediastinum LN
vagus nerve

Question 28

Organs absent in Di George

Answer 28

Thymus and parathyroid