Thorax

Question 1

What is the surface marking of the superior border of the left atria?

Answer 1

Lower aspect of 2nd coastal cartilage on the left, 2.5cm lateral from sternum.

Question 2

What is the surface marking of the superior aspect of the right atrium?

Answer 2

Upper aspect of the 3rd costal cartilage, 1cm lateral to sternum on right

Question 3

What is the surface marking of the inferior aspect of the right atrium?

Answer 3

Upper border of 6th costal cartilage 1cm lateral to sternum on right

Question 4

What is the name of the 2nd intercostal nerve?

Answer 4

Intercostal brachial

Question 5

What is the action of transverse thoracis?

Answer 5

Depress ribs

Question 6

What innervates the lungs?

Answer 6

Pulmonary plexus (vagus, T1-T2)

Question 7

What blood vessel supplies pectoral is major and minor?

Answer 7

Thoracoacromial artery

Question 8

Where does serratus anterior originate from?

Answer 8

Upper 9 ribs

Question 9

Where does transverse thoracis originate from?

Answer 9

Ribs 3-6

Question 10

Where does pectoral is minor originate from?

Answer 10

Ribs 3-5

Question 11

What does endothoracic fascia lie between?

Answer 11

Innermost intercostal muscles and parietal pleura

Question 12

What is the surface marking of the horizontal fissure?

Answer 12

4th rib from mid axillary line

Question 13

What is the surface marking of the oblique fissure?

Answer 13

6th rib from the mid axillary line

Question 14

What is the surface marking of the pleura?

Answer 14

6th rib by the sternum, 8th rib mid clavichord, 10th mid axillary, 12th at back

Question 15

Where are the branches of the left bronchus given off?

Answer 15

Inside the lung

Question 16

Where are the branches of the right main bronchus given off?

Answer 16

Superior lobar branch is given off outside