Question: 1) Which refers to the ability of a host organism to recognize and defend itself against the onslaught of pathogenic microorganisms?

Answer: a) Immunity

b) Passive immunity

c) Susceptibility

d) Innate immunology

Answer: a

Question: 2) Adaptive immunity is _____.

Answer: a) the ability of a host to mount a defense against a specific inherited agent

b) only acquired artificially

c) only acquired naturally

d) immunity obtained in some manner other than by heredity

Answer: d

Question: 3) Injection of a patient with ready-made antibodies produced in a different host is an example of what type of immunity?

Answer: a) Artificially acquired active immunity

b) Naturally acquired active immunity

c) Naturally acquired passive immunity

d) Artificially acquired passive immunity

Answer: d

Question: 4) Injection of a person with a vaccine that induces protective immunity in that individual is an example of what type of immunity?

Answer: a) Actively acquired natural immunity

b) Innately acquired natural immunity

c) Actively acquired artificial immunity

d) Passively acquired natural immunity

Answer: c

Question: 5) Colostrum, which contains high concentrations of antibodies passed onto an infant from a mother during breast-feeding, is an example of what type of immunity?

Answer: a) Artifically acquired active immunity

b) Naturally acquired active immunity

c) Naturally acquired passive immunity

d) Artifically acquired passive immunity

Answer: c

Question: 6) What is a substance that is recognized by the body as foreign and normally induces an immune response?

Answer: a) Antibody

b) Antigen

c) Agglutinin

d) Antitoxin

Answer: b

Question: 7) An area on an antigen molecule to which an antibody molecule binds.

Answer: a) Fc fragment

b) Fab fragment

c) Fab and Fc fragment

d) Epitope or antigenic determinant

Answer: d

Question: 8) Antigens are found on:

Answer: a) human cells

b) bacteria and viruses

c) antibodies

d) two of the above

Answer: d

Question: 9) A protein molecule produced in a host in response to an antigen which is capable of binding specifically to that antigen is a/an:

Answer: a) perforin

b) antigen

c) antibody

d) cytokine

Answer: c

Question: 10) Most antigens are _____.

Answer: a) large and complex molecules

b) polysaccharides

c) are proteins with molecular weights less than 10,000 Da

d) internal components of microbial cells

Answer: a