Cardio anatomy

Question 1

Where does the left coronary arise from? What are its two main braches?

Answer 1

Aorta

Circumflex and anterior intraventricular

Question 2

At what level do the aorta and IVC pass through the diaphragm?

Answer 2

T12–aorta

T8–IVC

Question 3

What does the azygous vein drain?

Answer 3

Hemiazygous

Accessory

Question 4

Name 3 structures in the posterior mediastinum?

Answer 4

Aorta
Azgous 
IVC
Trachea
Phrenic Nerve

Question 5

What is function of coronary sinus?

Answer 5

Delivers de-oxygenated blood to right atrium of heart

Question 6

Name the valve which lies between the left atrium and ventricle? How many cusps does it have?

Answer 6

Mitral valves

Two

Question 7

Name the layers of the pericardium?

Answer 7

Fibrous pericardium, parietal membrane, pericardial cavity and epicardium

Question 8

Where can trabeculae carnae be found?

Answer 8

Ventricles

Question 9

Where is SA node found and what its its function?

Answer 9

Right atrium

Acts as pacemaker

Question 10

At which vertebral level does the arch of the aorta arise?

Answer 10

T4

Question 11

Which coronary artery supplies the SA node?

Answer 11

The right coronary artery

Question 12

Which nerve plexus does the heart get its innervation from and where is this situated?

Answer 12

Cardiac Plexus

T1-4

Question 13

Which structures unite to form the superior vena cava?

Answer 13

IVC and Azygous

Left and right brachial vein

Question 14

What is the sensory nerve supply to the pericardium?

Answer 14

Via Phrenic

Question 15

Where does thoracic duct drain into?

Answer 15

Left subclavian

Question 16

Name 3 structures in the posterior mediastium?

Answer 16

Trachea
Oesophagus
vagus

Question 17

What happens to the abdominal aorta at vertebral level L4?

Answer 17

Bifurcates to l and r common iliac artery

Question 18

What connects the basilic and cephalic veins in the arm and why is this structure clinically important?

Answer 18

Median cubital

Where blood is taken from

Question 19

Where can the tibialis posterior arterial pulse be felt?

Answer 19

Inferior to malleolus

Question 20

At the 6th intercostal space the internal thoracic artery divides into which terminal branches?

Answer 20

Musculophrenic and superior epgiastric arteries

Question 21

The left atrium posses:

Answer 21

A bicuspid valve leading into the left ventricle

Question 22

The right ventricle possesses?

Answer 22

a septomarginal trabeculum

Question 23

The right coronary artery?

Answer 23

anastomoses with the circumflex artery

Question 24

The intrinsic rhythmicity of the myocardium is controlled by?

Answer 24

A pacemaker situated adajcent to the opening of the inferior vena cava in the right atrium

Question 25

The apex of the heart lies ?

Answer 25

5th left intercostal space on the midaxillary line

Question 26

The radial artery is found where?

Answer 26

Lateral side of arm

Question 27

What does transverse process articulate with?

Answer 27

Tubercle of rib