Question 1

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.

Accepted Answer

Cancer cells that break free from the pr

Question 2

The thymus is the only lymphoid organ that does not .

Accepted Answer

A)  directly fight antigens 
B)  have a cortex and medulla 
C)  have lymphocytes 
D)  produce hormones 
A)  directly fight antigens 
B)  have a cortex and medulla 
C)  have lymphocytes 
D)  produce hormones

Question 3

Select the correct statement about lymph transport.

Accepted Answer

A)  Lymph transport is faster than that occurring in veins. 
B)  Under normal conditions, lymph vessels are very high- pressure conduits. 
C)  Lymph transport is only necessary when illness causes tissue swelling. 
D)  Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles. 
A)  Lymph transport is faster than that occurring in veins. 
B)  Under normal conditions, lymph vessels are very high- pressure conduits. 
C)  Lymph transport is only necessary when illness causes tissue swelling. 
D)  Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles.

Question 4

Match the following:
-Receives lymph from most of the body.

Accepted Answer

A) Lymph nodes 
B) Peyer's patches 
C) Thoracic duct 
D) Spleen 
E) Lymph 
A) Lymph nodes 
B) Peyer's patches 
C) Thoracic duct 
D) Spleen 
E) Lymph

Question 5

Describe the structural and functional relationship of the vessels of the vascular system and the lymphatic system.

Accepted Answer

Vessels of the vascular system are relat

Question 6

Lymph leaves a lymph node via .

Accepted Answer

A)  the subcapsular sinus 
B)  afferent lymphatic vessels 
C)  the cortical sinus 
D)  efferent lymphatic vessels 
A)  the subcapsular sinus 
B)  afferent lymphatic vessels 
C)  the cortical sinus 
D)  efferent lymphatic vessels

Question 7

As the human immunodeficiency virus (HIV) progresses, some individuals develop persistent generalized lymphadenopathy. Explain why this may occur.

Accepted Answer

This may occur because lymph nodes are o

Question 8

Functions of the spleen include all of those below except .

Accepted Answer

A)  removal of old or defective blood cells from the blood 
B)  storage of iron 
C)  forming crypts that trap bacteria 
D)  storage of blood platelets 
A)  removal of old or defective blood cells from the blood 
B)  storage of iron 
C)  forming crypts that trap bacteria 
D)  storage of blood platelets

Question 9

Lymphedema may occur as a complication after a radical mastectomy, in which lymph nodes have been removed. Explain why it might occur.

Accepted Answer

Anything that prevents the nor

Question 10

A sentinel node is .

Accepted Answer

A)  a small node in the spleen 
B)  the first node to receive lymph from an area suspected to be cancerous 
C)  the first node at the junction of all the lumbar trunks 
D)  a lymph node found in the intestinal lamina propria 
A)  a small node in the spleen 
B)  the first node to receive lymph from an area suspected to be cancerous 
C)  the first node at the junction of all the lumbar trunks 
D)  a lymph node found in the intestinal lamina propria

Question 11

Which of the following does not contain a mucosa- associated lymphatic tissue?

Accepted Answer

A)  appendix 
B)  tonsil 
C)  Peyer's patch 
D)  thymus 
A)  appendix 
B)  tonsil 
C)  Peyer's patch 
D)  thymus

Question 12

Lymphatic capillaries are permeable to proteins.

Accepted Answer

A) True 
 B)False

Question 13

Figure 20.2Using Figure 20.2, match the following:
-Name the tonsils and state their body locations.

Accepted Answer

Palatine tonsils are located on either s

Question 14

Where are the lymph node aggregations most dense?

Accepted Answer

Lymph node aggregations are mo

Question 15

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)?

Accepted Answer

Supportive care or splenic repair is the

Question 16

When tissues are inflamed, lymphatic capillaries develop openings that permit uptake of large particles such as cell debris, pathogens, and cancer cells.

Accepted Answer

A) True 
 B)False

Question 17

Large clusters of lymph nodes occur in all of the following locations except the .

Accepted Answer

A)  cervical region 
B)  lower extremities 
C)  inguinal region 
D)  axillary region 
A)  cervical region 
B)  lower extremities 
C)  inguinal region 
D)  axillary region

Question 18

Select the correct statement about lymphocytes.

Accepted Answer

A)  The two main types are T cells and macrophages. 
B)  T cells are the precursors of B cells. 
C)  B cells produce plasma cells, which secrete antibodies into the blood. 
D)  T cells are the only form of lymphocyte found in lymphoid tissue. 
A)  The two main types are T cells and macrophages. 
B)  T cells are the precursors of B cells. 
C)  B cells produce plasma cells, which secrete antibodies into the blood. 
D)  T cells are the only form of lymphocyte found in lymphoid tissue.

Question 19

Explain the term MALT. What is its function?

Accepted Answer

MALT is an acronym for mucosa- associate

Question 20

Digested fats are absorbed from the intestine by the lymph capillaries.

Accepted Answer

A) True 
 B)False

Exam 20: The Lymphatic System and Lymphoid Organs and Tissues

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.

The thymus is the only lymphoid organ that does not .

Select the correct statement about lymph transport.

Match the following: -Receives lymph from most of the body.

Describe the structural and functional relationship of the vessels of the vascular system and the lymphatic system.

Lymph leaves a lymph node via .

As the human immunodeficiency virus (HIV) progresses, some individuals develop persistent generalized lymphadenopathy. Explain why this may occur.

Functions of the spleen include all of those below except .

Lymphedema may occur as a complication after a radical mastectomy, in which lymph nodes have been removed. Explain why it might occur.

A sentinel node is .

Which of the following does not contain a mucosa- associated lymphatic tissue?

Lymphatic capillaries are permeable to proteins.

Figure 20.2Using Figure 20.2, match the following: -Name the tonsils and state their body locations.

Where are the lymph node aggregations most dense?

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)?

When tissues are inflamed, lymphatic capillaries develop openings that permit uptake of large particles such as cell debris, pathogens, and cancer cells.

Large clusters of lymph nodes occur in all of the following locations except the .

Select the correct statement about lymphocytes.

Explain the term MALT. What is its function?

Digested fats are absorbed from the intestine by the lymph capillaries.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Immune System: Innate and Adaptive Body Defensives

The Respiratory System

The Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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