Anatomy

Question 1

At what level does the larynx become the trachea?

Answer 1

C6

Question 2

At what level does the pharynx become the oesophagus?

Answer 2

C6

Question 3

Where is the thyroid gland?

Answer 3

The isthmus of the thyroid gland lies anterior to the oesophagus and the trachea.

Question 4

Where is the ziphoid process?

Answer 4

The most inferior part of the central chest wall

Question 5

Which ribs are true, false and floating?

Answer 5

True 1-7
False 8-10
Floating 11-12

Question 6

What are the 3 layers of skeletal muscle in the intercostal space?

Answer 6

external intercostal muscles
internal intercostal muscles
innermost intercostal muscles

Question 7

What is the name given to the nerves that lie internally to the lungs and what do they supply?

Answer 7

Phrenic nerves supply the diaphragm

Very important for breathing

Question 8

Where do the phrenic nerves originate?

Answer 8

C3-5

Question 9

What is the nerve supply to the arm called and where does it lie?

Answer 9

Brachial plexus

Along side the subclavian artery and axillary vein

Question 10

What is the recess at the bottom of the lungs called?

Answer 10

costodiaphragmatic recess