Question 1

Kerri purchased a new plant that she thought was just perfect. Unfortunately, she developed a rash after handling the plant. The rash is most likely the result of

Accepted Answer

A)   haptens derived from the plant combining with skin molecules and then stimulating an immune response.
B)   haptens binding directly to helper T cells and stimulating an immune response.
C)   haptens damaging blood vessels in the skin, resulting in increased permeability of these blood vessels.
D)   haptens interacting with existing antibodies and destroying Kerri's adaptive immunity.E) A) and B)
F) A) and C)

Question 2

Match the appropriate characteristic with the type of immunity.
-Neutrophils and macrophages

Accepted Answer

A)  Innate immunity
B)  Antibody-mediated immunity
C)  Cell-mediated immunity
D)  Both antibody-mediated and cell-mediated immunity
E)  Innate immunity, antibody-mediated immunity, and cell-mediated immunityF) C) and D)
G) A) and D)

Question 3

A body fluid has been collected and IgA antibodies have been detected. Which of the following statements is correct in regard to the fluid?

Accepted Answer

A)   The body fluid is most likely saliva due to the presence of IgA antibodies.
B)   The body fluid is most likely lymph that contain B lymphocytes because IgA antibodies are most often attached to B lymphocytes.
C)   The body fluid is most likely blood because IgA antibodies are only found in blood.D) A) and B)
E) A) and C)

Question 4

Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specific antigen provides ________ immunity.

Accepted Answer

A)   active
B)   passive
C)   no
D)   auto
E)   naturalF) A) and B)
G) D) and E)

Question 5

If the lymphatic vessels of the digestive tract were damaged, we would expect

Accepted Answer

A)   a decrease in the absorption of lipids from the small intestine.
B)   a decrease in the absorption of carbohydrates from the small intestines.
C)   a decrease in the absorption of amino acids from the small intestine.
D)   no affect because lymphatic vessels are scarce in the digestive tract.E) A) and D)
F) A) and C)

Question 6

Which of the following substances causes increased capillary permeability, chemotaxis, and vasodilation?

Accepted Answer

A)   Histamine
B)   Prostaglandins
C)   Leukotrienes
D)   Complement
E)   CytokinesF) A) and C)
G) C) and D)

Question 7

All of the following are components of lymph, except

Accepted Answer

A)   water.
B)   ions.
C)   nutrients.
D)   hormones.
E)   red blood cells.F) A) and B)
G) All of the above

Question 8

Which of the following statements concerning neutrophils and macrophages is false?

Accepted Answer

A)   They both exhibit chemotaxis.
B)   They both move by amoeboid motion.
C)   Both are capable of phagocytosis.
D)   Both release histamine when activated.
E)   Both can squeeze between cells.F) None of the above
G) D) and E)

Question 9

Match the appropriate characteristic with the type of immunity.
-Histamine produced

Accepted Answer

A)  Innate immunity
B)  Antibody-mediated immunity
C)  Cell-mediated immunity
D)  Both antibody-mediated and cell-mediated immunity
E)  Innate immunity, antibody-mediated immunity, and cell-mediated immunityF) A) and B)
G) A) and C)

Question 10

Inflammation of the lingual tonsil blocks air flow through the auditory tube, disrupting pressure equalization in the middle ear.

Accepted Answer

A) True 
 B)False

Question 11

The MHC (major histocompatibility complex)  class molecules

Accepted Answer

A)   are only found on B cells.
B)   are found in the nucleus of cells.
C)   allow the immune system to respond to antigens inside cells.
D)   are lipoproteins on cell surfaces.
E)   do not attach to plasma membranes.F) All of the above
G) C) and E)

Question 12

Which of the following best describes the structure of lymphatic capillary walls?

Accepted Answer

A)   Thin-walled, with tightly joined squamous cells
B)   Thin-walled, with tightly joined cuboidal cells
C)   Thick-walled, with overlapping squamous cells
D)   Thick-walled, with tightly joined squamous cells
E)   Thin-walled, with overlapping squamous cellsF) A) and D)
G) B) and D)

Question 13

Match the cell of adaptive immunity with its function.
-B cell

Accepted Answer

A)  Quick and responsive to antigen, remembers previous exposure
B)  After activation, differentiates to become plasma cell or memory B cell
C)  Produces antibodies
D)  Destroys cells by lysis or by production of cytokines
E)  Activates B and effector T cellsF) C) and D)
G) A) and D)

Question 14

Mucosal associated lymphatic tissues (MALT)  are

Accepted Answer

A)   aggregates of macrophages located in the intestines.
B)   clusters of splenocytes located in the lamina propria of mucous membranes.
C)   clumps of mucous lining the lumen of the gastrointestinal tract.
D)   aggregates of lymphatic tissue scattered throughout the lamina propria of mucous membranes.E) A) and D)
F) B) and C)

Question 15

Which of the following is NOT a characteristic of adaptive immunity?

Accepted Answer

A)   It has memory.
B)   You are born with it.
C)   It has specificity.
D)   Acquired throughout your lifetimeE) All of the above
F) C) and D)

Question 16

Lymphocyte activation can occur in several ways. However, in all cases

Accepted Answer

A)   lymphocytes must recognize an antigen.
B)   helper T cells are activated first and they then stimulate other cells.
C)   antigen-presenting cells process the antigen and present it to the lymphocytes.
D)   cytokines released by the antigen stimulate the lymphocyte response.
E)   antigens must be able to recognize the lymphocytes.F) C) and D)
G) None of the above

Question 17

As a result of opsonization,

Accepted Answer

A)   holes are produced in target cell membranes.
B)   organ transplant rejection occurs.
C)   antigens are more susceptible to phagocytosis.
D)   antigens clump together.
E)   inflammation, chemotaxis, and lysis occur.F) A) and B)
G) B) and D)

Question 18

Cell-mediated immunity would be least effective against ________.

Accepted Answer

A)   tumor cells
B)   virally infected cells
C)   intracellular bacteria
D)   extracellular antigens
E)   intracellular parasitesF) B) and C)
G) None of the above

Question 19

A sharp blow to the ________ could result in rupture of the spleen.

Accepted Answer

A)   left hypochondriac region
B)   left iliac region
C)   epigastric region
D)   umbilical regionE) A) and C)
F) All of the above

Question 20

Which is the proper order of events in cell-mediated immunity?
(1)  Cloning of cytotoxic T cells and memory T cells
(2)  Antigen presented to T lymphocyte
(3)  Activation of T lymphocytes
(4)  Cytotoxic T cells attack target cells

Accepted Answer

A)   2, 3, 4, 1
B)   1, 4, 2, 3
C)   2, 3, 1, 4
D)   3, 2, 4, 1
E)   1, 2, 3, 4,F) D) and E)
G) C) and D)

Exam 22: Lymphatic System and Immunity

Mucosal associated lymphatic tissues (MALT) are

Correct AnswerverifiedShow Answer

Match the appropriate characteristic with the type of immunity. -Neutrophils and macrophages

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A sharp blow to the ________ could result in rupture of the spleen.

Correct AnswerverifiedShow Answer

Inflammation of the lingual tonsil blocks air flow through the auditory tube, disrupting pressure equalization in the middle ear.

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If the lymphatic vessels of the digestive tract were damaged, we would expect

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Which of the following is NOT a characteristic of adaptive immunity?

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Kerri purchased a new plant that she thought was just perfect. Unfortunately, she developed a rash after handling the plant. The rash is most likely the result of

Correct AnswerverifiedShow Answer

A body fluid has been collected and IgA antibodies have been detected. Which of the following statements is correct in regard to the fluid?

Correct AnswerverifiedShow Answer

Which of the following statements concerning neutrophils and macrophages is false?

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Match the appropriate characteristic with the type of immunity. -Histamine produced

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The MHC (major histocompatibility complex) class molecules

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Which is the proper order of events in cell-mediated immunity? (1) Cloning of cytotoxic T cells and memory T cells (2) Antigen presented to T lymphocyte (3) Activation of T lymphocytes (4) Cytotoxic T cells attack target cells

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Which of the following substances causes increased capillary permeability, chemotaxis, and vasodilation?

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Cell-mediated immunity would be least effective against ________.

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Lymphocyte activation can occur in several ways. However, in all cases

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Which of the following best describes the structure of lymphatic capillary walls?

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Match the cell of adaptive immunity with its function. -B cell

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As a result of opsonization,

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All of the following are components of lymph, except

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Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specific antigen provides ________ immunity.

Correct AnswerverifiedShow Answer

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