Lecture 12: Immunity & Host Defense (Part 1)

Question 1

_______ cells possess receptors which are specific for antigens.
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 1

B.) Adaptive (specific) immunity

Question 2

______ mediate the effect of B cells and neutralize foreign molecules.
A.) Antigens
B.) Antibodies

Answer 2

B.) Antibodies

Question 3

Immunity is the ability of the body to specifically counteract foreign organisms such as viruses, bacteria, and toxins (collectively called antigens).

Innate immunity is also known as _______ immunity, and involves many cells in the body.

Answer 3

nonspecific immunity

Question 4

Immunity is the ability of the body to specifically counteract foreign organisms such as viruses, bacteria, and toxins (collectively called antigens).

Adaptive immunity is also known as ______ or _______ immunity.

Answer 4

acquired or specific immunity



Question 5

______ are specific for pathogens.
A.) Antigens
B.) Antibodies

Answer 5

B.) Antibodies

Question 6

_______ is the early phases of the host response to infection.
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 6

A.) Innate (nonspecific) immunity

Question 7

______ are proteins produced by cells of the immune system, specifically B cells.
A.) Antigens
B.) Antibodies

Answer 7

B.) Antibodies

Question 8

_______ involves the use of specialized cells.
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 8

B.) Adaptive (specific) immunity

Question 9

_______ is present in all individuals, at all times.
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 9

A.) Innate (nonspecific) immunity

Question 10

______ are foreign substances.
A.) Antigens
B.) Antibodies

Answer 10

A.) Antigens

Question 11

_______ immune response to antigen is faster and stronger after the first exposure.
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 11

B.) Adaptive (specific) immunity

Question 12

_______ does not increase with repeated exposure to a given pathogen (lacks memory).
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 12

A.) Innate (nonspecific) immunity

Question 13

______ are not part of the immune system. Instead they are what the immune system responds to.
A.) Antigens
B.) Antibodies

Answer 13

A.) Antigens

Question 14

_______ have memory.
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 14

B.) Adaptive (specific) immunity

Question 15

_______ cannot discriminate between pathogens.
A.) Innate (nonspecific) immunity
B.) Adaptive (specific) immunity

Answer 15

A.) Innate (nonspecific) immunity

Question 16

______ are also called immunoglobulins.
A.) Antigens
B.) Antibodies

Answer 16

B.) Antibodies