Question 1

Figure 22-1 The Structure of a Lymph Node
 
Use Figure 22-1 to answer the following questions:
-Identify the structure labeled "3."

Accepted Answer

A)   deep cortex
B)   capsule
C)   subcapsular space
D)   trabeculae
E)   outer cortexF) All of the above
G) C) and D)

Question 2

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Accepted Answer

A)   B
B)   T
C)   plasma
D)   nodule
E)   NKF) D) and E)
G) B) and E)

Question 3

A sensitized B cell typically is not activated until

Accepted Answer

A)   it binds a helper T cell that releases cytokines.
B)   it binds a cytotoxic T cell.
C)   memory B cells have been cloned.
D)   it has cloned plasma cells.
E)   antibodies have been produced.F) D) and E)
G) C) and E)

Question 4

Plasma contains ________ special proteins that form the complement system.

Accepted Answer

A)   about 3
B)   exactly 10
C)   roughly 18
D)   exactly 25
E)   more than 30F) D) and E)
G) C) and E)

Question 5

All of the following are true of the thymus gland except that it

Accepted Answer

A)   activates B cells.
B)   reaches its greatest relative size during the second year of life.
C)   involutes after puberty.
D)   produces T cells.
E)   lies in the anterior mediastinum.F) B) and C)
G) A) and E)

Question 6

The complement system works closely with and complements the action of

Accepted Answer

A)   interferons.
B)   antibodies.
C)   pyrogens.
D)   phagocytes.
E)   microphages.F) A) and C)
G) C) and E)

Question 7

Partial antigens that do not cause B cell activation alone are called

Accepted Answer

A)   complete antigens.
B)   immunoglobulins.
C)   mature antigens.
D)   haptens.
E)   short chains.F) C) and D)
G) B) and E)

Question 8

The movement of phagocytes through the capillary wall is called

Accepted Answer

A)   chemotaxis.
B)   diapedesis.
C)   adherens.
D)   transcytosis.
E)   diffusion.F) A) and B)
G) B) and D)

Question 9

Cells that help regulate the immune response are ________ cells.

Accepted Answer

A)   B
B)   plasma
C)   helper T
D)   cytotoxic T
E)   NKF) B) and C)
G) B) and D)

Question 10

The merging of ________ forms the right lymphatic duct.

Accepted Answer

A)   the right jugular, right subclavian, and right bronchomediastinal trunks
B)   the right lumbar, right subclavian, and right bronchomediastinal trunks
C)   two great vessels
D)   the thoracic and mediastinal ducts
E)   superior and inferior lymphatic ductsF) C) and E)
G) A) and C)

Question 11

List and briefly describe the four general properties of adaptive immunity.

Accepted Answer

(1) Specificity: The immune response is ...

Question 12

Cytotoxic T cells can attack target cells with which of the following chemical weapons?

Accepted Answer

A)   secrete strong acid
B)   secrete organic solvent
C)   secrete free radicals
D)   secrete a cytokine that triggers apoptosis
E)   secrete mutant proteins that get incorporated into the target's DNAF) C) and E)
G) A) and D)

Question 13

Milly has just received a kidney transplant and is taking cyclosporin A to help prevent graft rejection. This medication is one in a class of drugs known as ________ drugs.

Accepted Answer

A)   anticoagulant
B)   antibiotic
C)   analgesic
D)   retroviral
E)   immunosuppressiveF) B) and C)
G) None of the above

Question 14

The end result of the classical and alternative pathways of complement activation is

Accepted Answer

A)   an increase in pyrogen release.
B)   release of histamine.
C)   activated C3B attached to the cell wall.
D)   C1 bound to two antibodies.
E)   activation of properdin.F) B) and E)
G) A) and B)

Question 15

The release of endogenous pyrogen (or interleukin-1)  by active macrophages would

Accepted Answer

A)   cause inflammation.
B)   produce a fever.
C)   activate complement.
D)   opsonize pathogens.
E)   activate antibodies.F) B) and E)
G) A) and E)

Question 16

Microphages include

Accepted Answer

A)   monocytes.
B)   Kupffer cells.
C)   neutrophils.
D)   eosinophils.
E)   both neutrophils and eosinophils.F) B) and D)
G) A) and C)

Question 17

Lymph nodes do all of the following except

Accepted Answer

A)   produce antibodies through B cells.
B)   monitor the contents of lymph.
C)   remove debris and pathogens from the lymph.
D)   accumulate cancer cells.
E)   remove excess nutrients from the lymph.F) None of the above
G) D) and E)

Question 18

Inappropriate or excessive immune responses to antigens are

Accepted Answer

A)   immunodeficiency diseases.
B)   autoimmune diseases.
C)   allergies.
D)   the result of stress.
E)   signs of a weak immune system.F) B) and E)
G) B) and C)

Question 19

A crime scene investigator found that a biological fluid sample contains a large amount of IgA-type antibody. This fluid is probably

Accepted Answer

A)   blood.
B)   lymph.
C)   serum.
D)   tears.
E)   interstitial.F) A) and E)
G) A) and D)

Question 20

Each IgG has ________ binding sites for attachment to antigenic determinants.

Accepted Answer

A)   1
B)   2
C)   4
D)   up to 8
E)   as many as a 1000F) A) and D)
G) C) and D)

Exam 22: The Lymphatic System and Immunity

Inappropriate or excessive immune responses to antigens are

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List and briefly describe the four general properties of adaptive immunity.

Correct Answerverified(1) Specificity: The immune response is ...View AnswerShow Answer

The end result of the classical and alternative pathways of complement activation is

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A sensitized B cell typically is not activated until

Correct AnswerverifiedShow Answer

All of the following are true of the thymus gland except that it

Correct AnswerverifiedShow Answer

The complement system works closely with and complements the action of

Correct AnswerverifiedShow Answer

Milly has just received a kidney transplant and is taking cyclosporin A to help prevent graft rejection. This medication is one in a class of drugs known as ________ drugs.

Correct AnswerverifiedShow Answer

A crime scene investigator found that a biological fluid sample contains a large amount of IgA-type antibody. This fluid is probably

Correct AnswerverifiedShow Answer

Microphages include

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Each IgG has ________ binding sites for attachment to antigenic determinants.

Correct AnswerverifiedShow Answer

The release of endogenous pyrogen (or interleukin-1) by active macrophages would

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Figure 22-1 The Structure of a Lymph Node Use Figure 22-1 to answer the following questions: -Identify the structure labeled "3."

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The movement of phagocytes through the capillary wall is called

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The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Correct AnswerverifiedShow Answer

The merging of ________ forms the right lymphatic duct.

Correct AnswerverifiedShow Answer

Lymph nodes do all of the following except

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Cytotoxic T cells can attack target cells with which of the following chemical weapons?

Correct AnswerverifiedShow Answer

Plasma contains ________ special proteins that form the complement system.

Correct AnswerverifiedShow Answer

Partial antigens that do not cause B cell activation alone are called

Correct AnswerverifiedShow Answer

Cells that help regulate the immune response are ________ cells.

Correct AnswerverifiedShow Answer

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