https://www.stuvia.com/
,https://www.stuvia.com/
Chapter 1. Introduction to Immunity and the Immune System
Multiple t6Choice
1. Eosinophils t6are t6involved t6insthe t6immune t6response t6against:
A. viruses.
B. intracellularsbacteria.
C. parasites t6that t6cannot t6be t6phagocytized.
D. extracellular t 6 bacteria.
ANS: t6C
2. Which t6of t6the t6following t6are t6components t6of t6both t6innate t6and t6adaptive t6immunesresponses?
A. Immunoglobulins
B. T t6helper t6cells
C. Macrophages
D. B
cells
t6
t6 ANS: t6C
3. The t6process t6by t6which t6leukocytes t6are t6attractedsto t6a t6specific t6area t6byschemical t6messengers t6is t6called:
A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS: t6C
4. Which t6of t6the t6followingsis t6a t6characteristic t6of t6natural t6killer t6cells?
A. They t6maturesin t6thesthymus.
B. They t6aressmallersthan t6B t6and t6Tscells.
C. They t6are t6astype t6of t6lymphocyte.
D. They t6are t6part t6of t6thesadaptivesimmune t6system.
ANS: t6C
5. Which t6of t6the t6following t6bestsdescribes t6diapedesis?
A. Movement t6toward t6increasingsconcentrations t6 of t6ascytokine
B. Attachment t6of t6immunoglobulin t6to t6target t6cells
,https://www.stuvia.com/
C. Movement t6through t6bloodsvessel t6walls t6as t6cells t6exit t6the t6circulation
D. Engulfment t6of t6target
cells t6ANS: t6C
t6
6. The t6most t6effective t6phagocytic t6and t6antigen-presenting t6cell t6is t6the:
A. neutrophil.
B. monocyte.
C. dendritic t6cell.
D. macrophage.
ANS: t6C
7. Which t6of t6the t6followingsis t6characteristic t6of t6natural t6immunity?
A. It t6involves t6memory.
B. T t6lymphocytes t6play t6a t6major t6role.
C. It t6involves t6specificity.
D. Mechanisms t6are t6always t6present t6and t6fully t6functional.
ANS: t6D
8. All t6of t6thesfollowingscells t6aresconsidered t6part t6of t6naturalsimmunity t6EXCEPT:
A. eosinophils.
B. B t6lymphocytes.
C. monocytes.
D. neutrophils.
ANS: t6B
9. Where t6does t6thesspecific t6immune t6responsestosa t6foreign t6antigen t6mainlysoccur?
A. Lymph t6nodes
B. Blood
C. Bone t6marrow
D. Skin
t6 ANS:
A
t6
10. Which t6white t6cell t6in t6the t6peripheral t6blood t6migrates t6into t6tissuesto t6become t6a t6macrophage?
A. Eosinophil
B. Basophil
C. Neutrophil
,https://www.stuvia.com/
D. Monocyte
ANS: t6D
t6
11. A t6white t6blood t6cell t6that t6is t616 t6to t618 t6micrometers t6in t6diameter, t6has
t6ashorseshoe- t6shaped t6nucleus, t6and t6iscapable t6of t6phagocytosis t6is t6a:
A. neutrophil.
B. eosinophil.
C. basophil.
D. monocyte.
ANS: t6D
12. Pasteur's t6discovery t6that t6oldersbacterial t6cultures t6would t6not t6cause t6disease t6in t6chickens t6but t6would
t6protectst t6hem t6fromssubsequent t6infection t6with t6more t6virulent t6strains t6is t6an t6example t6of:
A. attenuated t6 vaccine.
B. natural t6immunity.
C. passive t6immunity.
D. cross-immunity.
ANS: t6A
13. Antibodies t6are t6secreted t6by:
A. plasma t6cells.
B. B t6cells.
C. T t6cells.
D. dendritic t6cells.
ANS: t6A
14. Which t6of t6the t6following t6is t6characteristic t6of t6mucosal-associated t6lymphoid t6tissue?
A. It t6is t6one t6ofsthesprimary t6lymphoidsorgans.
B. It t6clears t6pathogens t6from t6the t6bloodstream.
C. It t6includes t6the t6tonsils t6andsthesappendix.
D. It t6includessthe t6liversand t6spleen.
ANS: t6C
15. Acquired t6(adaptive) t6immunityscan t6be t6characterized t6as:
A. nonspecifically t6activated.
B. immediately t6responsive.
,https://www.stuvia.com/
Chapter 1. Introduction to Immunity and the Immune System
Multiple t6Choice
1. Eosinophils t6are t6involved t6insthe t6immune t6response t6against:
A. viruses.
B. intracellularsbacteria.
C. parasites t6that t6cannot t6be t6phagocytized.
D. extracellular t 6 bacteria.
ANS: t6C
2. Which t6of t6the t6following t6are t6components t6of t6both t6innate t6and t6adaptive t6immunesresponses?
A. Immunoglobulins
B. T t6helper t6cells
C. Macrophages
D. B
cells
t6
t6 ANS: t6C
3. The t6process t6by t6which t6leukocytes t6are t6attractedsto t6a t6specific t6area t6byschemical t6messengers t6is t6called:
A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS: t6C
4. Which t6of t6the t6followingsis t6a t6characteristic t6of t6natural t6killer t6cells?
A. They t6maturesin t6thesthymus.
B. They t6aressmallersthan t6B t6and t6Tscells.
C. They t6are t6astype t6of t6lymphocyte.
D. They t6are t6part t6of t6thesadaptivesimmune t6system.
ANS: t6C
5. Which t6of t6the t6following t6bestsdescribes t6diapedesis?
A. Movement t6toward t6increasingsconcentrations t6 of t6ascytokine
B. Attachment t6of t6immunoglobulin t6to t6target t6cells
,https://www.stuvia.com/
C. Movement t6through t6bloodsvessel t6walls t6as t6cells t6exit t6the t6circulation
D. Engulfment t6of t6target
cells t6ANS: t6C
t6
6. The t6most t6effective t6phagocytic t6and t6antigen-presenting t6cell t6is t6the:
A. neutrophil.
B. monocyte.
C. dendritic t6cell.
D. macrophage.
ANS: t6C
7. Which t6of t6the t6followingsis t6characteristic t6of t6natural t6immunity?
A. It t6involves t6memory.
B. T t6lymphocytes t6play t6a t6major t6role.
C. It t6involves t6specificity.
D. Mechanisms t6are t6always t6present t6and t6fully t6functional.
ANS: t6D
8. All t6of t6thesfollowingscells t6aresconsidered t6part t6of t6naturalsimmunity t6EXCEPT:
A. eosinophils.
B. B t6lymphocytes.
C. monocytes.
D. neutrophils.
ANS: t6B
9. Where t6does t6thesspecific t6immune t6responsestosa t6foreign t6antigen t6mainlysoccur?
A. Lymph t6nodes
B. Blood
C. Bone t6marrow
D. Skin
t6 ANS:
A
t6
10. Which t6white t6cell t6in t6the t6peripheral t6blood t6migrates t6into t6tissuesto t6become t6a t6macrophage?
A. Eosinophil
B. Basophil
C. Neutrophil
,https://www.stuvia.com/
D. Monocyte
ANS: t6D
t6
11. A t6white t6blood t6cell t6that t6is t616 t6to t618 t6micrometers t6in t6diameter, t6has
t6ashorseshoe- t6shaped t6nucleus, t6and t6iscapable t6of t6phagocytosis t6is t6a:
A. neutrophil.
B. eosinophil.
C. basophil.
D. monocyte.
ANS: t6D
12. Pasteur's t6discovery t6that t6oldersbacterial t6cultures t6would t6not t6cause t6disease t6in t6chickens t6but t6would
t6protectst t6hem t6fromssubsequent t6infection t6with t6more t6virulent t6strains t6is t6an t6example t6of:
A. attenuated t6 vaccine.
B. natural t6immunity.
C. passive t6immunity.
D. cross-immunity.
ANS: t6A
13. Antibodies t6are t6secreted t6by:
A. plasma t6cells.
B. B t6cells.
C. T t6cells.
D. dendritic t6cells.
ANS: t6A
14. Which t6of t6the t6following t6is t6characteristic t6of t6mucosal-associated t6lymphoid t6tissue?
A. It t6is t6one t6ofsthesprimary t6lymphoidsorgans.
B. It t6clears t6pathogens t6from t6the t6bloodstream.
C. It t6includes t6the t6tonsils t6andsthesappendix.
D. It t6includessthe t6liversand t6spleen.
ANS: t6C
15. Acquired t6(adaptive) t6immunityscan t6be t6characterized t6as:
A. nonspecifically t6activated.
B. immediately t6responsive.
