1. The circumflex artery and the anterior interventricular artery are branches of the:
A) left coronary artery
B) Pulmonary trunk
C) right coronary artery
D) great cardiac vein
E) coronary sinus
2. Thromboxane A2 is:
a) an oxygen-storage molecule inside platelets andphagocytes
B) an enzyme that stimulates the activity of fibroblasts tohelp repair damage to blood vessel walls
C) a prostaglandin in platelets that causes vasoconstrictionand platelet activation.
D) a growth factor that stimuates the production ofplatelets
E) a type of anticoagulant that blocks the action ofantithrobin III