Question 1

Interferon is produced by

Accepted Answer

A)   phagocytic cells
B)   T-lymphocytes
C)   virus-infected cells
D)   B-lymphocytes
E)   plasma cellsF) None of the above
G) B) and C)

Question 2

The effects of chemical mediators released by damaged tissues include all of the following EXCEPT

Accepted Answer

A)   chemotaxis
B)   vasodilation
C)   stimulate production of interferon
D)   increase capillary permeabilityE) All of the above
F) A) and B)

Question 3

What is the term for the B-cell clone that produces antibodies?

Accepted Answer

The answer of What is the term for the B-cell...

Question 4

Which of the following factors accounts for the fact that the passage of lymph through a lymph node is slowed down to allow time for cleansing action?

Accepted Answer

A)   There are more afferent vessels than efferent vessels.
B)   There are valves where the afferent vessels enter the node to regulate the flow of lymph.
C)   Lymph nodes are located where flow is naturally slow because there is no pressure gradient.
D)   There is no resistance to flow in the lymph nodes, consequently there is no pressure and rate of flow is reduced.E) B) and C)
F) A) and C)

Question 5

What is the major antibody in primary and secondary immune responses?

Accepted Answer

The answer of What is the major antibody in primary...

Question 6

Vaccines are used to provide passive artificial immunity.

Accepted Answer

A) True 
 B)False

Question 7

What is the term for the lack of resistance to disease?

Accepted Answer

The answer of What is the term for the lack...

Question 8

Lymph enters a lymph capillary by

Accepted Answer

A)   diffusion through the wall of the capillary
B)   osmosis through the wall of the capillary
C)   pressure from the accumulation of fluid that forces the fluid between the cells that make up the wall
D)   pressure from the contraction of the heartE) A) and C)
F) A) and B)

Question 9

The secondary response to a pathogen is _____ than the primary response.

Accepted Answer

A)   faster
B)   slower
C)   less effective
D)   of shorter durationE) A) and D)
F) A) and C)

Question 10

The function of plasma cells is to

Accepted Answer

A)   produce more B-cells
B)   phagocytize bacteria
C)   produce antibodies
D)   stimulate clones of T-cellsE) A) and B)
F) None of the above

Question 11

What is the term for the vessel that drains lymph from the upper right quadrant of the body?

Accepted Answer

right lymp...

Question 12

The lymphatic organ that filters blood and acts as a reservoir for blood is the

Accepted Answer

A)   thymus
B)   tonsil
C)   lymph node
D)   spleen
E)   Peyer's patchF) C) and E)
G) All of the above

Question 13

Lymph is

Accepted Answer

A)   excess plasma
B)   interstitial fluid that has entered a lymph capillary
C)   blood that has escaped through a broken vessel
D)   a suspension of formed elements and waterE) A) and D)
F) None of the above

Question 14

You step on a dirty,rusty nail and the physician gives you an injection of tetanus immunoglobulin.This is an example of _____ immunity.

Accepted Answer

A)   active natural
B)   active artificial
C)   passive natural
D)   passive artificialE) A) and B)
F) A) and C)

Question 15

What is the term for the tissue where T-lymphocytes differentiate and mature?

Accepted Answer

The answer of What is the term for the tissue...

Question 16

All of the following are functions of the lymphatic system EXCEPT to

Accepted Answer

A)   return excess interstitial fluid to venous blood
B)   facilitate the absorption of fats and fat-soluble vitamins
C)   increase the osmotic pressure of the blood
D)   defend the body against invading microorganisms and diseaseE) All of the above
F) B) and D)

Question 17

Two characteristics of specific defense mechanisms are

Accepted Answer

A)   lymphocytes and macrophages
B)   specificity and memory
C)   T-cells and B-cells
D)   natural and artificial immunity
E)   barriers and chemicalsF) C) and E)
G) B) and E)

Question 18

The vessel that receives lymph from regions not drained by the thoracic duct is the

Accepted Answer

A)   left lymphatic duct
B)   left lumbar trunk
C)   right lumbar trunk
D)   right lymphatic ductE) A) and B)
F) A) and C)

Question 19

The wall of a lymph capillary is composed of overlapping cells that form one-way valves.These cells are

Accepted Answer

A)   simple squamous epithelium
B)   stratified squamous epithelium
C)   simple cuboidal epithelium
D)   loose connective tissue
E)   smooth muscle cellsF) A) and B)
G) B) and E)

Question 20

What is the term for the clusters of lymphatic tissue under the mucous membrane of the nose,mouth,and throat?

Accepted Answer

The answer of What is the term for the clusters...

Exam 14: Lymphatic System and Body Defense

What is the term for the vessel that drains lymph from the upper right quadrant of the body?

Correct Answerverifiedright lymp...View AnswerShow Answer

The lymphatic organ that filters blood and acts as a reservoir for blood is the

Correct AnswerverifiedShow Answer

Vaccines are used to provide passive artificial immunity.

Correct AnswerverifiedShow Answer

What is the term for the clusters of lymphatic tissue under the mucous membrane of the nose,mouth,and throat?

Correct AnswerverifiedShow Answer

Lymph is

Correct AnswerverifiedShow Answer

Lymph enters a lymph capillary by

Correct AnswerverifiedShow Answer

The function of plasma cells is to

Correct AnswerverifiedShow Answer

What is the major antibody in primary and secondary immune responses?

Correct AnswerverifiedShow Answer

What is the term for the tissue where T-lymphocytes differentiate and mature?

Correct AnswerverifiedShow Answer

Two characteristics of specific defense mechanisms are

Correct AnswerverifiedShow Answer

The vessel that receives lymph from regions not drained by the thoracic duct is the

Correct AnswerverifiedShow Answer

All of the following are functions of the lymphatic system EXCEPT to

Correct AnswerverifiedShow Answer

The secondary response to a pathogen is _____ than the primary response.

Correct AnswerverifiedShow Answer

What is the term for the B-cell clone that produces antibodies?

Correct AnswerverifiedShow Answer

What is the term for the lack of resistance to disease?

Correct AnswerverifiedShow Answer

You step on a dirty,rusty nail and the physician gives you an injection of tetanus immunoglobulin.This is an example of _____ immunity.

Correct AnswerverifiedShow Answer

Which of the following factors accounts for the fact that the passage of lymph through a lymph node is slowed down to allow time for cleansing action?

Correct AnswerverifiedShow Answer

The effects of chemical mediators released by damaged tissues include all of the following EXCEPT

Correct AnswerverifiedShow Answer

Interferon is produced by

Correct AnswerverifiedShow Answer

The wall of a lymph capillary is composed of overlapping cells that form one-way valves.These cells are

Correct AnswerverifiedShow Answer

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