AS Thrombosis & Atherosclerosis Quiz

Which of the following are soluble in water?

Tick all those that apply

• Prothrombin

• Thrombin

• Fibrinogen

• Fibrin

Which of the following are enzymes?

• Fibrin

• Thrombin

• Thromboplastin

• Fibrinogen

True or false?

Prothrombin is in active and the precursor molecule of thrombin

• True

• False

Which enzyme molecule starts the cascade of chemical changes that lead to the formation of a blood clot?

What type of ions need to be present in order for prothrombin to be converted into thrombin?

Fibrinogen is converted into ____________ by the enzyme thrombin

What molecule leads to the formation of a tangled mesh of fibres that traps erythrocytes (red blood cells) and platelets?

A thrombosis (blood clot) that forms in the coronary arteries can lead to a _________________

Select the most appropriate answer

• Anuerysm

• Stroke

• Heart attack

True or false?

Serotonin can lead to the smooth muscle in an artery to contract and narrow the lumen, decreasing the blood flow to the area

• True

• False

Which component of the blood is responsible for releasing calcium ions and serotonin?

• Lymphocytes

• Plasma

• Platelets

• Erythrocytes