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Biology Concepts and Applications

Cecie Starr, Christine A. Evers, Lisa Starr

Chapter 34

Immunity - all with Video Answers

Educators

Chapter Questions

01:10

Problem 1

________trigger $(s)$ immune responses.
a. Cytokines
b. Lysozyme
c. Antibodies
d. Antigens
e. Histamines
f. MHC markers

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
01:21

Problem 2

Which of the following is not a surface barrier to infection?
a. skin
b. acidic gastric fluid
c. lysozyme in saliva
d. resident bacterial populations
e. complement activation
f. flushing action of diarrhea

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:56

Problem 3

Which of the following is not part of innate immunity?
a. phagocytic cells
b. fever
c. histamines
d. cytokines
e. inflammation
f. complement activation
g. presenting antigen
h. all take part

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
01:31

Problem 4

Which does not take part in adaptive immunity?
a. phagocytic cells
b. antigen-presenting cells
c. MHC markers
d. cytokines
e. antigen receptors
f. complement activation
g. antibodies
h. all take part

Charles Machakwa
Charles Machakwa
Numerade Educator
00:35

Problem 5

Activated complement proteins________.
a. puncture cells
b. promote inflammation
c. attract macrophages
d. all of the above

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:57

Problem 6

Choose the defining characteristics of innate immunity.
a. self/nonself recognition
b. immediate response
c. set of general defenses
d. antigen memory
e. diverse antigen receptors
f. fixed number of PAMPs
g. tailored for specific antigens

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:39

Problem 7

Choose the defining characteristics of adaptive immunity.
a. self/nonself recognition
b. immediate response
c. set of general defenses
d. antigen memory
e. diverse antigen receptors
f. fixed number of PAMPs
g. tailored for specific antigens

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:44

Problem 8

Antibodies are________.
a. antigen receptors
b. made only by B cells
c. proteins
d. all of the above

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:43

Problem 9

A dendritic cell engulfs a bacterium, then presents bacterial bits on its surface along with a(n)________.
a. MHC marker
b. antibody
c. T cell receptor
d. antigen

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:26

Problem 10

Antibody-mediated responses are most effective against________.
a. intracellular pathogens
b. extracellular pathogens
c. cancerous cells
d. a and $c$

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:28

Problem 11

Cell-mediated responses are most effective against ________.
a. intracellular pathogens
b. extracellular pathogens
c. cancerous cells
d. a and $c$

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:34

Problem 12

________are targets of cytotoxic T cells.
a. Extracellular virus particles in blood
b. Virus-infected body cells or tumor cells
c. Parasitic worms in the liver
d. Bacterial cells in pus
e. Pollen grains in nasal mucus

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:31

Problem 13

Which combination of the following types of antibodies and immune cells is central to hay fever?
a. IgE and mast cells
b. IgG and basophils
c. IgA and lymphocytes
d. IgM and macrophages

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
01:12

Problem 14

Match the immune cell with its main function.
dendritic cell
B cell
helper T cell
NK cell
macrophage
a. professional phagocyte
b. antigen-presenter
c. activates other lymphocytes
d. makes antibodies
e. kills ailing body cells that lack MHC markers

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:27

Problem 15

Allergies occur when the immune system responds to________.
a. pathogens
b. toxins
c. normally harmless substances
d. all of the above

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:24

Problem 16

Match the immunity concept with the best description.
________anaphylactic shock
________immune memory
________autoimmunity
________inflammation
________immune deficiency
________antigen receptor
________antigen processing
a. recognizes antigen
b. inadequate immune response
c. general defense mechanism
d. immune response against one's own body
e. secondary response
E acute allergic reaction
g. presenting antigen together with MHC markers

Mishal Gul
Mishal Gul
Numerade Educator