Chapter 10 & 11

Question 1

actinomycetes

Answer 1

bacteria that produce branching filaments from which streptomycin was extracted

Question 2

active immunity

Answer 2

immunity produced by the body manufacturing antibodies against foreign antigen

Question 3

antibiotic

Answer 3

a chemical able to inhibit the growth of or kill micro-organisms, particularly bacteria

Question 4

agglutination

Answer 4

the clumping together of mirco-organisms or blood cells

Question 5

antibody

Answer 5

a substance produced in response to a specific antigen, combines with the antigen to neutralise or destroy it

Question 6

antigen-antibody complex

Answer 6

a compound formed when an antibody combines with an antigen

Question 7

antigen

Answer 7

any substance capable of causing formation of antibodies when introduced into the tissues

Question 8

antiviral drug

Answer 8

a drug used for the treatment of viral infections

Question 9

artificial immunity

Answer 9

immunity produced by giving a person an antigen, which triggers the immune response, or by giving a person antibodies to an infecting antigen

Question 10

bactericidal antibiotic

Answer 10

a drug used to treat bacterial infections; it does not kill the bacteria but stops them reproducing

Question 11

B-cell

Answer 11

a type of lymphocyte that develops either into a plasma cell that produces antibodies or into a memory cell

Question 12

broad-spectrum antibiotic

Answer 12

an antibiotic that affects many types of bacteria

Question 13

cell-mediated response

Answer 13

the part of the immune response in which T-cells attach to antigens to destroy them; also called cellular immunity

Question 14

cephalosporin

Answer 14

a type of antibiotic

Question 15

cerumen

Answer 15

ear wax, secreted by special glands near the opening of the ear canal

Question 16

cilia

Answer 16

hair-like projections from a cell; they beat rhythmically to move material across a tissue surface

Question 17

clone

Answer 17

a group of cells with the same genetic characteristics

Question 18

communicable diseases

Answer 18

a disease passed from one person to another by infection with micro-organisms; also called an infectious or transmissible disease

Question 19

contagious diseases

Answer 19

a disease passed on by direct contact

Question 20

disease

Answer 20

any condition in which normal functioning of the body is impaired

Question 21

fever

Answer 21

an elevation of body temperature above normal temp of 37 degrees