Week 1 Anatomy

Question 1

What divides the mediastinum between superior/inferior

Answer 1

sternal angle (T4-T5)

Question 2

Layers of pericardium

Answer 2

outer fibrous pericardium, inner serous pericardium

Question 3

Layers of serous pericardium

Answer 3

outer parietal layer, inner visceral layer (epicardium)

Question 4

Where does the fibrous pericardium attach

Answer 4

diaphragm

Question 5

Phrenic nerve origin

Answer 5

ventral rami C3-C5

Question 6

Function of phrenic nerve

Answer 6

motor to diaphragm, sensory from phrenic nerve

Question 7

Groove between atria and ventricles.

Answer 7

coronary sulcus

Question 8

Groove between L and R ventricles

Answer 8

inter ventricular sulcus

Question 9

Brachiocephalic v =

Answer 9

Jugular v + subclavian v

Question 10

Branches off of aortic arch

Answer 10

brachiocephalic trunk (right common carotid a, right subclavian a), left common carotid a, left subclavian a

Question 11

Branch off of vagus nerve

Answer 11

L/R recurrent laryngeal nerve

Question 12

Location L recurrent laryngeal nerve

Answer 12

hooks around aortic arch

Question 13

Location R recurrent laryngeal nerve

Answer 13

hooks around right subclavian a

Question 14

Systole

Answer 14

ventricles contract

Question 15

Branches of right coronary a

Answer 15

sinoatrial, right marginal, Atrioventricular nodal, Posterior inter ventricular artery (PDA)

Question 16

Branches of L coronary a

Answer 16

Anterior inter ventricular (LAD) (its branches: Septal and diagonal branches), Left circumflex (LCX) (branch: left marginal)

Question 17

Arteries in coronary sulcus

Answer 17

right coronary artery, LCX

Question 18

Artery in inter ventricular sulcus

Answer 18

Anterior inter ventricular (LAD)