Which of the following paths describes the passage of blood originating in the left leg through the circulatory system?

• Vena cava, left atrium, right atrium, lungs, left ventricle, right ventricle

• Vena cava, left atrium, left ventricle, lungs, right atrium, right ventricle, aorta

• Vena cava, right atrium, left atrium, lungs, right ventricle, left ventricle, aorta

• Vena cava, right atrium, right ventricle, lungs, left atrium, left ventricle, aorta

Most of the cardiac muscle of the heart is found in the

• Epicardium

• Endocardium

• Myocardium

• Pericardium

The only vein in the body that transports oxygen-rich blood is the

• Pulmonary Vein

• Hepatic Portal Vein

• Aortic Vein

• Coronary Vein

Individuals with type AB blood can receive blood from donors possessing

• Type AB blood only

• Type O blood only

• Type A blood only

• Type B blood only

• Any blood type

The 2 main branches of the right coronary artery (RCA) are the

• Circumflex branch and left marginal branch

• Right marginal branch and posterior interventricular branch

• Anterior interventriuclar branch and anterior left descending branch

• Great and middle cardiac vein

A blockage in the pulmonary trunk would first affect which heart chamber with a buildup of blood?

• Left ventricle

• Right ventricle

• Left atrium

• Right atrium

The pacemaker cells are located in the

• Purkinje fibers

• SA node

• AV bundle

• AV node

Which valve is indicated by the black arrow?

• Tricuspid

• Pulmonary

• Aortic

• Bicuspid

What part of the heart is indicated by the black arrow?

• Left common carotid artery

• Left subclavian artery

• Brachiocephalic trunk

• bracLeft pulmonary artery

These are fibres that are connected to the papillary muscles and limit the movement of the cusps when the valve closes.

• Moderator band

• Trabeculae carneae

• Chordae tendineae

• Atria