Neurovascular of Heart

Which of the following coronary arteries runs in the coronary (atrioventricular) sulcus?

• Left anterior descending artery

• Right coronary artery

• Posterior interventricular artery

• Marginal artery

Which artery supplies the sinoatrial (SA) node in most people?

• Left anterior descending artery

• Circumflex artery

• Right coronary artery

• Posterior interventricular artery

Which vein drains into the coronary sinus?

• Anterior cardiac vein

• Great cardiac vein

• Inferior vena cava

• Superior vena cava

The left coronary artery typically supplies all of the following EXCEPT:

• Most of the left atrium

• Most of the left ventricle

• Interventricular septum

• Right atrium

Which nerve decreases heart rate through parasympathetic innervation?

• Phrenic nerve

• Vagus nerve

• Hypoglossal nerve

• Accessory nerve

Which foetal structure becomes the ligamentum arteriosum after birth?

• Ductus venosus

• Foramen ovale

• Ductus arteriosus

• Umbilical vein