Medical Quiz

Defence against Infectious Diseases Quiz


proteins in the plasma that serve to activate various parts of the blood clotting process by being transformed from inactive to active forms. Also known as coagulation factors.

A. Clotting factors

B. Fibrin

C. Fibrinogen

a clot formed in the coronary arteries.

A. Thrombus


C. Antibiotic

white blood cells a type of white cell that carries endocytosis of large foreign substances.

A. Phagocytic

B. Plasma cell

C. Platelet

a section of DNA on a chromosome that controls a specific trait.

A. Gene

B. Lymphocyte

C. Memory cell

a protease in blood that facilitates blood clotting by converting fibrinogen to fibrin.

A. Thrombin

B. Thrombus


a long-lived cell of the immune system that has previously encountered a specific antigen and that upon re-exposure produces large amounts of antibody.

A. Memory cell

B. Metabolism

C. Mucous membranes

a chemical that kills or inhibits growth of bacteria by deregulation of metabolic pathways.

A. Antibiotic

B. Antibody

C. Blood clotting

membrane lining all body passages and having cells and associated glands that secrete mucus. Also called mucosa.

A. Mucous membranes

B. Pathogen

C. Penicillin

a protein in the blood plasma that is essential for the coagulation of blood and is converted to fibrin by the action of thrombin.

A. Fibrinogen

B. Gene

C. Lymphocyte

the process by which blood becomes thick and stops flowing, forming a solid cover over any place where your skin has been cut or broken.

A. Blood clotting

B. Clotting factors

C. Fibrin

any organism that causes disease, such as a bacterium or fungus.

A. Pathogen

B. Penicillin

C. Phagocytic

a white blood cell that could be a B-cell or a T-cell.

A. Lymphocyte

B. Memory cell

C. Metabolism

(Acquired immunodeficiency syndrome) is the name of the active HIV infection characterized by the reduction of T-cells and the appearance of characteristic secondary infections.


B. Antibiotic

C. Antibody

the totality of all the chemical processes in an organism, consisting of anabolic and catabolic mechanisms.

A. Metabolism

B. Mucous membranes

C. Pathogen

the activated form of the blood-clotting protein fibrinogen.

A. Fibrin

B. Fibrinogen

C. Gene

a small fragment of red blood cells found in the blood plasma that functions to promote blood clotting.

A. Platelet

B. Thrombin

C. Thrombus

any of the antibiotic drugs obtained from penicillium moulds or produced synthetically, most active against gram-positive bacteria and used in the treatment of various infections and diseases.

A. Penicillin

B. Phagocytic

C. Plasma cell

an antigen-binding protein produced by B-cells.

A. Antibody

B. Blood clotting

C. Clotting factors

any of the antibody-producing cells, and derived from B-cells. It plays a major role in antibody-mediated immunity reacting with a specific antigen.

A. Plasma cell

B. Platelet

C. Thrombin


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