Question 1

The thymus gland begins to atrophy after puberty.

Accepted Answer

A) True 
 B)False  True

Question 2

-This figure shows the lymphatic system.Which number(s) indicate structures that contain MALT?

Accepted Answer

A)  1,4,9
B)  2,6,7,8
C)  5
D)  3,5
E)  7F) A) and D)
G) B) and D)

Question 3

Which are not among the primary lymph sacs that form during the sixth week of development?

Accepted Answer

A)  Jugular lymph sacs
B)  Anterior lymph sacs
C)  Retroperitoneal lymph sac
D)  Cisterna chyli
E)  Posterior lymph sacsF) B) and D)
G) A) and B)

Question 4

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 armF) All of the above
G) A) and E)

Question 5

Excess interstitial fluid enters lymphatic capillaries

Accepted Answer

A)  by diffusion.
B)  through gated channels in response to changes in ion balance.
C)  by pinocytosis.
D)  by phagocytosis.
E)  through one-way flaps.F) All of the above
G) A) and E) E

Question 6

Once the immune response has been activated,it can be "turned off" by ___________ T-lymphocytes.

Accepted Answer

The answer of Once the immune response has been activated,it...

Question 7

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.F) D) and E)
G) B) and E)

Question 8

Migration of cancerous cells through the lymphatic system to other regions of the body is called ______________.

Accepted Answer

The answer of Migration of cancerous cells through the lymphatic...

Question 9

The thoracic duct and the right lymphatic duct empty lymph into the

Accepted Answer

A)  superior vena cava.
B)  subclavian veins.
C)  inferior vena cava.
D)  azygos vein.
E)  brachiocephalic veins.F) B) and D)
G) A) and C)

Question 10

A lymphocyte that is fully mature and therefore able to participate in the immune response is said to be ______________.

Accepted Answer

The answer of A lymphocyte that is fully mature and...

Question 11

Substances such as bacteria and viruses that are perceived as abnormal to the body and provoke an immune response are called ________________.

Accepted Answer

The answer of Substances such as bacteria and viruses that...

Question 12

Where do B-lymphocytes develop immunocompetence?

Accepted Answer

A)  Spleen
B)  Red bone marrow
C)  Lymph nodes
D)  Thymus gland
E)  BloodF) All of the above
G) B) and C)

Question 13

Which type of lymphocyte responds to multiple antigens?

Accepted Answer

A)  Memory B-lymphocyte
B)  Memory T-lymphocyte
C)  Natural killer cell
D)  Plasma cell
E)  Cytotoxic T-lymphocyteF) B) and C)
G) A) and E)

Question 14

Which is not a type of lymphatic cell?

Accepted Answer

A)  Macrophage
B)  Nurse cell
C)  Dendritic cell
D)  Lymphocyte
E)  AstrocyteF) B) and E)
G) None of the above

Question 15

"Booster" shots are required following certain vaccinations because the memory B-lymphocytes produced in response to the initial vaccination don't survive indefinitely.

Accepted Answer

A) True 
 B)False

Question 16

Helper T-lymphocytes are also known as

Accepted Answer

A)  cytotoxic T-lymphocytes.
B)  CD8+ cells.
C)  CD4+ cells.
D)  T8 cells.
E)  memory T-lymphocytes.F) B) and D)
G) B) and C)

Question 17

Which is not a function of the spleen?

Accepted Answer

A)  Serves as blood reservoir
B)  Filters blood
C)  Filters lymph
D)  Recycles aged erythrocytes
E)  Houses lymphocytesF) None of the above
G) A) and E) C

Question 18

Monocytes that have migrated from the bloodstream into lymphatic structures are called ___________.

Accepted Answer

The answer of Monocytes that have migrated from the bloodstream...

Question 19

Regions of MALT called Peyer patches are found in the

Accepted Answer

A)  urinary bladder.
B)  stomach.
C)  vagina.
D)  small intestine.
E)  trachea.F) A) and B)
G) All of the above

Question 20

T-lymphocytes in the thymus gland do not participate in the immune response and are protected from antigens by

Accepted Answer

A)  the blood-thymus barrier.
B)  thymic macrophages.
C)  the low pH of the thymus gland.
D)  circulating B-lymphocytes.
E)  trabecular fibers.F) D) and E)
G) C) and D)

Exam 24: Lymphatic System

The thymus gland begins to atrophy after puberty.

Correct AnswerverifiedTrue

-This figure shows the lymphatic system.Which number(s) indicate structures that contain MALT?

Correct AnswerverifiedShow Answer

Which are not among the primary lymph sacs that form during the sixth week of development?

Correct AnswerverifiedShow Answer

Which is not drained by the right lymphatic duct?

Correct AnswerverifiedShow Answer

Excess interstitial fluid enters lymphatic capillaries

Correct AnswerverifiedE

Once the immune response has been activated,it can be "turned off" by ___________ T-lymphocytes.

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

Migration of cancerous cells through the lymphatic system to other regions of the body is called ______________.

Correct AnswerverifiedShow Answer

The thoracic duct and the right lymphatic duct empty lymph into the

Correct AnswerverifiedShow Answer

A lymphocyte that is fully mature and therefore able to participate in the immune response is said to be ______________.

Correct AnswerverifiedShow Answer

Substances such as bacteria and viruses that are perceived as abnormal to the body and provoke an immune response are called ________________.

Correct AnswerverifiedShow Answer

Where do B-lymphocytes develop immunocompetence?

Correct AnswerverifiedShow Answer

Which type of lymphocyte responds to multiple antigens?

Correct AnswerverifiedShow Answer

Which is not a type of lymphatic cell?

Correct AnswerverifiedShow Answer

"Booster" shots are required following certain vaccinations because the memory B-lymphocytes produced in response to the initial vaccination don't survive indefinitely.

Correct AnswerverifiedShow Answer

Helper T-lymphocytes are also known as

Correct AnswerverifiedShow Answer

Which is not a function of the spleen?

Correct AnswerverifiedC

Monocytes that have migrated from the bloodstream into lymphatic structures are called ___________.

Correct AnswerverifiedShow Answer

Regions of MALT called Peyer patches are found in the

Correct AnswerverifiedShow Answer

T-lymphocytes in the thymus gland do not participate in the immune response and are protected from antigens by

Correct AnswerverifiedShow Answer

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True

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E

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C

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