Blood and Its Functions Quiz

What shape are red blood cells (erythrocytes)?

• Spherical

• Biconcave discs

• Cuboidal

• Cylindrical

What is the average red blood cell count range per microliter of blood?

• 1 to 2 million

• 2 to 3 million

• 4 to 6 million

• 7 to 8 million

Which type of white blood cells includes neutrophils, eosinophils, and basophils?

• Agranulocytes

• Granulocytes

• Lymphocytes

• Monocytes

Which plasma protein helps maintain the colloid osmotic pressure?

• Fibrinogen

• Albumins

• Globulins

• Lipoproteins

What is the role of bicarbonate ions in plasma?

• Transporting lipids

• Synthesizing proteins

• Maintaining pH balance

• Storing energy

What triggers an immune response according to the text?

• Platelets

• Antigens

• Fibrin

• Collagen

What is a thrombus?

• A clot that moves in a vessel

• A blood vessel spasm

• An abnormal blood clot in a vessel

• A platelet plug

What is the basic event of coagulation?

• Platelet adhesion

• Conversion of soluble fibrinogen into insoluble fibrin

• Vasoconstriction

• Antigen production

What is the ABO blood group system based on?

• Presence of Rh antigens

• Presence or absence of antigens A and B

• Platelet count

• Clotting factors

What are antibodies according to the text?

• Molecules that trigger an immune response

• Protein molecules produced in response to an antigen

• Cells that form clots

• Components of platelet plugs