Medicine

Question 1

Cardiogenic area derived from =

Answer 1

Splanchnic mesoderm forms 2 endocardial tubes

Question 2

5 dilatations of heart

Answer 2

Truncus arteriosus
Conus 
Ventricle 
Atrium
Sinus venosus

Question 3

Truncus arteriosus splits ?

Answer 3

Aorta and pulmonary artery

Question 4

Sinus venosus blood supply

Answer 4

Umbilical vein
Vitelline vein
Rt common cardinal vein

Question 5

Epicardium and myocardium derived from

Answer 5

Neural crest cell

Lateral plate mesoderm

Question 6

Vitelline vein

Answer 6

Hepatic vein
Sup mesenteric vein
Portal vein
Inf portion of ivc

Question 7

Funny currents ? Drug ,action

Answer 7

Na channels, phase 4 - sodium influx , bradycardia action , ivabradine

Question 8

Dromotropy ? Components

Answer 8

Conduction of impulses 
Comp - SA node 
  - AV node
  -his bundle 
  - purkinje fibers

Question 9

Inferior surface - leads ,artery

Answer 9

Lead 2 , lead 3 , avF

Right coronary artery

Question 10

Antero septal leads and artery

Answer 10

Leads - V1 , V2 , V3 , V4

left anterior descending territory

Question 11

Lateral surface leads and artery

Answer 11

Leads - V5,V6, avL , lead 1

Left circumflex artery