Question 1

When women with breast cancer undergo surgery to remove the tumor or the entire breast,the axillary lymph nodes are often removed as well.Why

Accepted Answer

A)  In removing the breast,the blood supply to the nodes is removed and they will inevitably cease to function.
B)  The axillary lymph nodes receive lymph from the breast and may contain cancer cells.
C)  The nerves that supply the axillary lymph nodes are often cut during the breast surgery.
D)  It is impossible to remove the breast without physically damaging the lymph nodes.
E)  With the removal of the breast,there is no further need for lymph drainage and filtering in that part of the body.

Question 2

Lymphatic organs

Accepted Answer

A)  contain a complete capsule of dense irregular connective tissue.
B)  contain an incomplete capsule of dense irregular connective tissue.
C)  lack a connective tissue capsule.

Question 3

Because lymphatic vessels have three tunics (intima,media,and externa) and valves,they structurally resemble

Accepted Answer

A)  veins.
B)  arterioles.
C)  capillaries.
D)  arteries.

Question 4

What conditions would warrant removal of the spleen (splenectomy)or removal of the tonsils (tonsillectomy),and what prognosis or complications (if any)might result from these procedures

Accepted Answer

Spleens might be removed after rupture f...

Question 5

The path that fluid takes as it enters a lymphatic capillary is through

Accepted Answer

A)  pores (fenestrations) in the cells of the capillary wall.
B)  cell membrane leakage channels that allow diffusion.
C)  vesicles that move the fluid across the cell (transcytosis) .
D)  spaces between capillary endothelial cells that are arranged as one-way flaps.
E)  active transport protein pumps on endothelial cell membranes.

Question 6

Which would be the route taken by lymph traveling from lymphatic vessels in the right leg to the bloodstream

Accepted Answer

A)  Right lumbar trunk - cisterna chyli - thoracic duct - right subclavian vein
B)  Right lumbar trunk - cisterna chyli - thoracic duct - left subclavian vein
C)  Right lumbar trunk - right intestinal trunk - right lymphatic duct - right subclavian vein
D)  Right femoral trunk - right lumbar trunk - right lymphatic duct - superior vena cava
E)  Right femoral trunk - cisterna chyli - thoracic duct - left subclavian vein

Question 7

Although they are not a site of lymphocyte formation,_________ lymphatic structures provide sites where immune responses are initiated.2-21-2013

Accepted Answer

A)  hemopoietic
B)  primary
C)  red marrow
D)  secondary

Question 8

Which is not drained by the right lymphatic duct

Accepted Answer

A)  Right side of abdomen
B)  Right side of thorax
C)  Right side of head and neck
D)  Right shoulder
E)  Right arm

Question 9

-This figure shows the lymphatic system.What structure does number 8 indicate

Accepted Answer

A)  Lymphatic nodule
B)  Thymus gland
C)  Cisterna chyli
D)  Spleen
E)  Adenoid

Question 10

Which is not correct regarding the spleen

Accepted Answer

A)  It has an outer cortex and inner medulla.
B)  It is divided into sections by capsular extensions called trabeculae.
C)  Its white pulp contains T-lymphocytes,B-lymphocytes,and macrophages.
D)  Its blood is supplied by the splenic artery and drained by the splenic vein.

Question 11

The thymus contains ______ lobes and is located _______.

Accepted Answer

A)  2;anterior to the laryngeal prominence (Adam's apple) 
B)  2;in the mediastinum
C)  4;anterior to the laryngeal prominence (Adam's apple) 
D)  4;in the mediastinum

Question 12

Tonsils have multiple invaginated outer edges called _______ that help trap material.

Accepted Answer

A)  crypts
B)  trabeculae
C)  sinuses
D)  clefts
E)  fissures

Question 13

Lymph nodes may be found individually,or clustered in specific regions of the body.Which cluster of lymph nodes receives lymph from the head and neck

Accepted Answer

A)  Inguinal lymph nodes
B)  Cervical lymph nodes
C)  Thoracic lymph nodes
D)  Axillary lymph nodes
E)  Abdominal lymph nodes

Question 14

Lymph contains red blood cells.

Accepted Answer

A) True 
 B)False

Question 15

The main function of tonsils is to detect and protect against infections agents that are

Accepted Answer

A)  in the blood.
B)  in the lymph.
C)  ingested or inhaled.
D)  secreted by salivary glands.

Question 16

Another name for a lymphatic follicle is a

Accepted Answer

A)  lymphatic nodule.
B)  white pulp.
C)  lymph node medulla.
D)  thymic lobule.

Question 17

The germinal center of a lymphatic nodule contains proliferating B-lymphocytes and macrophages.

Accepted Answer

A) True 
 B)False

Question 18

The walls of lymphatic capillaries are only one cell thick.

Accepted Answer

A) True 
 B)False

Question 19

Obstruction of the flow of lymph in lymphatic vessels can lead to an accumulation of interstitial fluid in the tissues.This condition is characterized by pain and swelling,and is called ________________.

Accepted Answer

The answer of Obstruction of the flow of lymph in...

Question 20

The pulsing of arteries that are adjacent to lymphatic vessels provides a pressure on the vessels that helps them propel the lymph.

Accepted Answer

A) True 
 B)False

Exam 21: Lymphatic System

The walls of lymphatic capillaries are only one cell thick.

Correct AnswerverifiedShow Answer

Lymph nodes may be found individually,or clustered in specific regions of the body.Which cluster of lymph nodes receives lymph from the head and neck

Correct AnswerverifiedShow Answer

The pulsing of arteries that are adjacent to lymphatic vessels provides a pressure on the vessels that helps them propel the lymph.

Correct AnswerverifiedShow Answer

Because lymphatic vessels have three tunics (intima,media,and externa) and valves,they structurally resemble

Correct AnswerverifiedShow Answer

Lymph contains red blood cells.

Correct AnswerverifiedShow Answer

Which is not drained by the right lymphatic duct

Correct AnswerverifiedShow Answer

Obstruction of the flow of lymph in lymphatic vessels can lead to an accumulation of interstitial fluid in the tissues.This condition is characterized by pain and swelling,and is called ________________.

Correct AnswerverifiedShow Answer

The main function of tonsils is to detect and protect against infections agents that are

Correct AnswerverifiedShow Answer

The germinal center of a lymphatic nodule contains proliferating B-lymphocytes and macrophages.

Correct AnswerverifiedShow Answer

What conditions would warrant removal of the spleen (splenectomy)or removal of the tonsils (tonsillectomy),and what prognosis or complications (if any)might result from these procedures

Correct AnswerverifiedSpleens might be removed after rupture f...View AnswerShow Answer

Although they are not a site of lymphocyte formation,_________ lymphatic structures provide sites where immune responses are initiated.2-21-2013

Correct AnswerverifiedShow Answer

Which would be the route taken by lymph traveling from lymphatic vessels in the right leg to the bloodstream

Correct AnswerverifiedShow Answer

When women with breast cancer undergo surgery to remove the tumor or the entire breast,the axillary lymph nodes are often removed as well.Why

Correct AnswerverifiedShow Answer

The path that fluid takes as it enters a lymphatic capillary is through

Correct AnswerverifiedShow Answer

Which is not correct regarding the spleen

Correct AnswerverifiedShow Answer

Tonsils have multiple invaginated outer edges called _______ that help trap material.

Correct AnswerverifiedShow Answer

Another name for a lymphatic follicle is a

Correct AnswerverifiedShow Answer

Lymphatic organs

Correct AnswerverifiedShow Answer

The thymus contains ______ lobes and is located _______.

Correct AnswerverifiedShow Answer

-This figure shows the lymphatic system.What structure does number 8 indicate

Correct AnswerverifiedShow Answer

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Spleens might be removed after rupture f...
View Answer

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The thymus contains lobes and is located _.

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