Internal Landmarks

Question 1

Aortic arch

Answer 1

2.5cm below jugular notch

Question 2

aortic bifurcation

Answer 2

L4-L5

Question 3

Carina

Answer 3

T4-T5, Sternal angle

Question 4

Celiac trunk

Answer 4

4cm above transpyloric plane

Question 5

carotid bifurcation

Answer 5

upper border of thyroid cartilage

Question 6

circle of willis

Answer 6

suprasellar cistern

Question 7

common iliac vein bifurcation

Answer 7

upper margin of sacroiliac joint

Question 8

conus medullaris

Answer 8

T12-L1, L2

Question 9

Heart- apex

Answer 9

5th intercostal space, left midclavicular line

Question 10

Heart- base

Answer 10

level of 2nd and 3rd costal cartilages behind sternum

Question 11

inferior mesenteric artery

Answer 11

4cm above bifurcation of abdominal aorta

Question 12

inferior vena cava

Answer 12

L5

Question 13

Portal vein

Answer 13

posterior to pancreatic neck

Question 14

renal arteries

Answer 14

anterior to L1, inferior to superior mesenteric artery

Question 15

superior mesenteric artery

Answer 15

2cm above transpyloric plane

Question 16

thyroid gland

Answer 16

thyroid cartilage

Question 17

vocal cords

Answer 17

midway between superior and inferior border of thyroid cartilage