Thorax (thoracic wall)

Question 1

Where thoracic cavity communicates with the neck and upper limb

Answer 1

Superior thoracic aperture (anatomical thoracic inlet)

Question 2

Where thoracic cavity communicates with the abdomen

Answer 2

Inferior thoracic aperture (anatomical thoracic outlet)

Question 3

True ribs

Answer 3

1-7th ribs

Question 4

False ribs

Answer 4

8-10 ribs

Question 5

Floating ribs

Answer 5

11-12th ribs

Question 6

Which ribs are atypical?

Answer 6

1st, 2nd, and 10-12th

Question 7

What are the movements of the thoracic wall?

Answer 7

Inspiration
Expiration
Bucket-handle movement
Pump-handle movement

Question 8

Typical ribs are?

Answer 8

3 to 9

Question 9

Typical ribs have?

Answer 9

Head, neck, tubercle, body

Question 10

Bucket-handle movement?

Answer 10

Combination of movements during forced inspiration increases AP and transverse dimensions. Middle part of lower ribs move laterally when they are elevated

Question 11

Pump-handle movement?

Answer 11

Upper ribs elevates, AP dimension increased

Question 12

Formed by anterior rami T1-T11

Answer 12

Intercostal nerves

Question 13

Anterior rami of T12 nerves inferior to 12th ribs

Answer 13

Subcostal nerves

Question 14

Internal thoracic artery branches off from

Answer 14

Subclavian artery

Question 15

Superior and lateral thoracic arteries branch off from

Answer 15

Axillary artery

Question 16

During inspiration the diaphragm

Answer 16

Contracts and pull downward (caudal)

Question 17

Xiphoid process is on what level

Answer 17

T10

Question 18

Supply blood to the structures compromising the roots of the lungs, supporting tissues of the lungs

Answer 18

Bronchial arteries

Question 19

Structural unit for gas exchange in the lung

Answer 19

Pulmonary alveolus

Question 20

Right bronchial vein drains into

Answer 20

The azygos vein

Question 21

Left bronchial vein drains into

Answer 21

accessory hemi-azygos vein

Question 22

The vagus nerve does what for the lungs

Answer 22

Relaxes them

Question 23

This mediastinum contains the thymus, lymph nodes, fat, connective tissue

Answer 23

Anterior mediastinum

Question 24

This mediastinum contains the heart, roots of the great vessels, arch of zygos vein, and main bronchi

Answer 24

Middle mediastinum

Question 25

This mediastinum contains the esophagus, thoracic aorta, azygos, hemi-azygos vein, thoracic duct, vagus nerve, sympathetic trunk, splanchnic nerve

Answer 25

Posterior mediastinum