Question 1

Cells that attack foreign cells, normal cells infected with viruses, and cancer cells that appear in normal tissues are ________.

Accepted Answer

A)   NK cells
B)   memory B cells
C)   regulatory T cells
D)   cytotoxic T cells
E)   plasmocytesF) C) and D)
G) B) and E)

Question 2

A typical B cell spends about ________ in a lymph node before moving to another location.

Accepted Answer

A)   20 minutes
B)   12 hours
C)   30 hours
D)   1 week
E)   2 monthsF) A) and B)
G) A) and C)

Question 3

What role does the lymphatic system play in metastatic cancer?

Accepted Answer

Cancer that starts in the lymph nodes it...

Question 4

Helper T cells and regulatory T cells ________.

Accepted Answer

A)   include approximately 10-15 percent of the circulating lymphocytes
B)   can differentiate into plasmocytes when appropriately stimulated
C)   are solely responsible for the phenomenon in the body known as "humoral immunity"
D)   control the activation and activity of B cells
E)   are responsible for the production and secretion of antibodiesF) All of the above
G) B) and E)

Question 5

Which of the following are described as large lymphoid nodules that are located in the walls of the pharynx?

Accepted Answer

A)   thymus glands
B)   lymph nodes
C)   thymic corpuscles
D)   tonsils
E)   aggregated lymphoid nodulesF) A) and B)
G) B) and E)

Question 6

How does the blood-thymus barrier function to prevent premature stimulation of developing T cells?

Accepted Answer

The capillaries of the thymus resemble t...

Question 7

Figure 23.1
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label C.

Accepted Answer

A)   Spleen
B)   Right lymphatic duct
C)   Tonsil
D)   Cisterna chyli
E)   ThymusF) A) and B)
G) D) and E) B

Question 8

The walls of lymphatic capillaries are only one cell thick.

Accepted Answer

A) True 
 B)False

Question 9

Trabecular arteries radiate toward the capsule of the ________, branching extensively and surrounded by white pulp.

Accepted Answer

A)   spleen
B)   thymus
C)   MALT nodules
D)   tonsils
E)   liverF) B) and E)
G) B) and C) A

Question 10

The process in which the thymus degenerates with age is called ________.

Accepted Answer

A)   inhibition
B)   involution
C)   cortication
D)   mediation
E)   hypertrophyF) A) and E)
G) A) and B)

Question 11

The lymphatic system functions to maintain normal blood volume and eliminate local variations in the ________.

Accepted Answer

A)   pH of blood
B)   production of urine
C)   composition of CSF
D)   number of peripheral synapses
E)   composition of interstitial fluidF) C) and E)
G) A) and B) E

Question 12

The increased incidence of ________ in the elderly reflects the fact that immune surveillance declines.

Accepted Answer

A)   heart attacks
B)   strokes
C)   cancer
D)   muscle injury
E)   gallstonesF) None of the above
G) A) and E)

Question 13

Antigens are usually associated with pathogens, parts or products of pathogens, or other foreign compounds.

Accepted Answer

A) True 
 B)False

Question 14

Figure 23.1
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label O.

Accepted Answer

A)   Right lymphatic duct
B)   Lumbar lymph node
C)   Cisterna chyli
D)   Cervical lymph nodes
E)   Axillary lymph nodesF) All of the above
G) B) and E)

Question 15

Figure 23.2
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label O.

Accepted Answer

A)   Right lumbar trunk
B)   Cisterna chyli
C)   Superior vena cava
D)   Inferior vena cava
E)   Intestinal trunkF) D) and E)
G) A) and B)

Question 16

Larger lymphatics, like veins, contain internal valves.

Accepted Answer

A) True 
 B)False

Question 17

Figure 23.3
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label K.

Accepted Answer

A)   Cortex
B)   Medullary sinus
C)   Capsule
D)   Hilum
E)   Afferent vesselF) C) and E)
G) None of the above

Question 18

Figure 23.2
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label L.

Accepted Answer

A)   Cisterna chyli
B)   Intestinal trunk
C)   Right lumbar trunk
D)   Superior vena cava
E)   Inferior vena cavaF) C) and E)
G) B) and E)

Question 19

Figure 23.2
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label B.

Accepted Answer

A)   Superior vena cava
B)   Cisterna chyli
C)   Right internal jugular vein
D)   Azygos vein
E)   Hemi-azygos veinF) B) and C)
G) A) and E)

Question 20

Figure 23.3
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label M.

Accepted Answer

A)   Lymph node artery and vein
B)   Afferent lymphatic vessel
C)   Medullary cord
D)   Trabeculae
E)   Efferent lymphatic vesselF) None of the above
G) All of the above

Exam 23: The Lymphatic System

Cells that attack foreign cells, normal cells infected with viruses, and cancer cells that appear in normal tissues are ________.

Correct AnswerverifiedShow Answer

A typical B cell spends about ________ in a lymph node before moving to another location.

Correct AnswerverifiedShow Answer

What role does the lymphatic system play in metastatic cancer?

Correct AnswerverifiedCancer that starts in the lymph nodes it...View AnswerShow Answer

Helper T cells and regulatory T cells ________.

Correct AnswerverifiedShow Answer

Which of the following are described as large lymphoid nodules that are located in the walls of the pharynx?

Correct AnswerverifiedShow Answer

How does the blood-thymus barrier function to prevent premature stimulation of developing T cells?

Correct AnswerverifiedThe capillaries of the thymus resemble t...View AnswerShow Answer

Figure 23.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label C.

Correct AnswerverifiedB

The walls of lymphatic capillaries are only one cell thick.

Correct AnswerverifiedShow Answer

Trabecular arteries radiate toward the capsule of the ________, branching extensively and surrounded by white pulp.

Correct AnswerverifiedA

The process in which the thymus degenerates with age is called ________.

Correct AnswerverifiedShow Answer

The lymphatic system functions to maintain normal blood volume and eliminate local variations in the ________.

Correct AnswerverifiedE

The increased incidence of ________ in the elderly reflects the fact that immune surveillance declines.

Correct AnswerverifiedShow Answer

Antigens are usually associated with pathogens, parts or products of pathogens, or other foreign compounds.

Correct AnswerverifiedShow Answer

Figure 23.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label O.

Correct AnswerverifiedShow Answer

Figure 23.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label O.

Correct AnswerverifiedShow Answer

Larger lymphatics, like veins, contain internal valves.

Correct AnswerverifiedShow Answer

Figure 23.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label K.

Correct AnswerverifiedShow Answer

Figure 23.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label L.

Correct AnswerverifiedShow Answer

Figure 23.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label B.

Correct AnswerverifiedShow Answer

Figure 23.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label M.

Correct AnswerverifiedShow Answer

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Cancer that starts in the lymph nodes it...
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The capillaries of the thymus resemble t...
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