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Figure 20.2
Using Figure 20.2, match the following:
51)
Medulla.
51)
52)
Medullary cord.
52)
Figure 20.1
Using Figure 20.1, match the following:
53)
Thoracic duct.
53)
54)
The ________ are the simplest lymphoid organs and are found at the entrance to the
pharynx.
54)
Figure 20.2
Using Figure 20.2, match the following:
55)
Efferent vessels.
55)
56)
The ________ pulp of the spleen forms cuffs around the central arteries.
56)
57)
Describe the structural and functional relationship of the vessels of the vascular system
and the lymphatic system.
57)
58)
Highly specialized lymph capillaries called ________ are present in the villi of the
intestinal mucosa.
58)
59)
List the functions of the spleen.
59)
60)
The appendix, tonsils, and Peyer's patches are examples of ________.
60)
Figure 20.1
Using Figure 20.1, match the following:
61)
Cisterna chyli.
61)
62)
Lymphatic collecting vessels.
62)
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
63)
When tissues are inflamed, lymphatic capillaries develop openings that permit uptake of large
particles such as cell debris, pathogens, and cancer cells.
63)
64)
The cisterna chyli collects lymph from the lumbar trunks draining the upper limbs and from the
intestinal trunk draining the digestive organs.
64)
65)
If even a small part of the spleen is left in a ten-year-old child, it will most likely regenerate itself.
65)
66)
Lymphatic capillaries are permeable to proteins.
66)
67)
Peyer's patches are clusters of lymphoid tissue found primarily in the large intestine.
67)
68)
Lymph capillary permeability is due to minivalves and protein filaments.
68)
69)
Chyle is delivered to the blood via the lymphatic system.
69)
70)
The simplest lymphoid organs are the lymph nodes.
70)
71)
The lymphatic capillaries function to absorb the excess protein-containing interstitial fluid and
return it to the bloodstream.
71)
72)
Lymphoid tissue is mainly reticular connective tissue.
72)
73)
Lymphocytes reside temporarily in lymphoid tissue, then move to other parts of the body.
73)
74)
All the lymphoid organs are well developed before birth.
74)
75)
There are more efferent lymphatic vessels leaving a lymph node than there are afferent vessels
entering a lymph node.
75)
76)
In the spleen, red pulp is involved in the immune functions and white pulp is involved in
disposing of worn-out RBCs.
76)
77)
Like blood, lymph flows both to and from the heart.
77)
78)
Because lymph vessels are very low-pressure conduits, movements of adjacent tissues are
important in propelling lymph through the lymphatics.
78)
79)
The most important role of the spleen is to provide a site for lymphocyte proliferation and immune
surveillance and response.
79)
80)
About 3 liters of fluid are lost to the tissue spaces every 24 hours and are returned to the
bloodstream as lymph.
80)
81)
Digested fats are absorbed from the intestine by the lymph capillaries.
81)
MATCHING. Choose the item in column 2 that best matches each item in column 1.
Match the following:
82)
Isolated clusters of lymph follicles
found in the wall of the small
intestine.
83)
Protein-containing fluid within
lymphatic vessels.
84)
Stores blood platelets.
85)
Small organs intimately associated
with lymphatic vessels.
86)
Largest lymphatic organ.
87)
Receives lymph from most of the
body.
A)
Lymph nodes
B)
Peyer's patches
D)
Spleen
82)
83)
84)
85)
86)
87)
ESSAY. Write your answer in the space provided or on a separate sheet of paper.
88)
Lymphedema may occur as a complication after a radical mastectomy, in which lymph nodes have been
removed. Explain why it might occur.
89)
A man involved in a traffic accident is rushed to the emergency room of a hospital with severe internal
bleeding. Examination reveals a ruptured spleen. What is the treatment of choice and what is the likely
long-term outcome (prognosis)?
90)
A mother takes her son to the doctor and describes the following symptoms that she has observed. The child is
running a fever, has flu-like symptoms, and his lymph glands are very swollen and sore to the touch. Of what
significance are the swollen and sore lymph glands?
91)
A woman had a mastectomy that included the removal of axillary lymph nodes on her left side. What does she
risk regarding her left arm and why?
92)
A nurse palpated enlarged lymph nodes. Describe signs and symptoms that help to distinguish cancerous
lymph nodes from infected lymph nodes.
93)
Describe why the prognosis of cancer is best when there is no detectable spread from the region of the primary
tumor to the lymph nodes.
94)
As the human immunodeficiency virus (HIV) progresses, some individuals develop persistent generalized
lymphadenopathy. Explain why this may occur.
95)
While passing through a village on safari you notice a man with one enormous leg and one normal-sized leg.
What could have caused the increased size of the swollen leg?
Answer Key
Testname: C20
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Answer Key
Testname: C20
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Answer Key
Testname: C20
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