Question 1

The acronym HIV stands for "human immune virus".

Accepted Answer

A) True 
 B)False

Question 2

Lymphoid stem cells mature into

Accepted Answer

A)  B-lymphocytes.
B)  T-lymphocytes.
C)  B-lymphocytes and T-lymphocytes.
D)  B-lymphocytes,T-lymphocytes,and NK cells.
E)  B-lymphocytes,T-lymphocytes,and monocytes.

Question 3

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-lymphocyte

Question 4

-This figure shows the lymphatic system.Which number indicates the inguinal lymph nodes?

Accepted Answer

A)  1
B)  4
C)  5
D)  9
E)  10

Question 5

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.

Question 6

-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)  7

Question 7

One of the functions of the lymphatic system is to transport fat.

Accepted Answer

A) True 
 B)False

Question 8

Which is not a function of the lymphatic system?

Accepted Answer

A)  Transports dietary lipids
B)  Returns excess interstitial fluid to the bloodstream
C)  Houses and develops lymphocytes
D)  Generates immune responses
E)  No exceptions;all choices are functions of the lymphatic system.

Question 9

Which is not correct regarding lymph nodes?

Accepted Answer

A)  They contain strands of lymphatic cells supported by medullary cords.
B)  They are drained by afferent lymphatic vessels.
C)  They contain phagocytic cells.
D)  They filter lymph.
E)  None of the choices is correct.

Question 10

What is the function of nurse cells in the thymus gland?

Accepted Answer

A)  Nourish developing T-lymphocytes
B)  Transport mature T-lymphocytes to the bloodstream
C)  Secrete thymic hormones
D)  Destroy moribund T-lymphocytes
E)  Transform helper T-lymphocytes into cytotoxic T-lymphocytes

Question 11

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.

Question 12

The process of lymphocyte development and maturation is called ____________.

Accepted Answer

The answer of The process of lymphocyte development and maturation...

Question 13

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 sacs

Question 14

What are the five main classes of immunoglobulins found in humans?

Accepted Answer

A)  IgA,IgC,IgE,IgG,IgI
B)  IgD,IgE,IgG,IgM,IgS
C)  IgB,IgD,IgE,IgG,IgM
D)  IgA,IgB,IgC,IgD,IgE
E)  IgA,IgD,IgE,IgG,IgM

Question 15

Lymphatic capillaries originate in the

Accepted Answer

A)  central nervous system.
B)  red bone marrow.
C)  yellow bone marrow.
D)  tissue spaces between cells.
E)  cisterna chyli.

Question 16

Of the lymphatic trunks,which ones drain lymph from deep thoracic structures?

Accepted Answer

A)  Jugular trunks
B)  Subclavian trunks
C)  Bronchomediastinal trunks
D)  Intestinal trunks
E)  Lumbar trunks

Question 17

The anteromedial border of the spleen

Accepted Answer

A)  is concave.
B)  contains the hilum.
C)  is also called the visceral surface.
D)  is where the splenic artery enters.
E)  All of the choices are correct.

Question 18

Within the red pulp of the spleen are enlarged capillaries called _________,which have a discontinuous basal lamina that allows blood cells to enter and exit easily.

Accepted Answer

A)  splenic cords
B)  trabecular vessels
C)  splenic vessels
D)  splenic sinusoids
E)  trabecular cords

Question 19

Where do B-lymphocytes develop immunocompetence?

Accepted Answer

A)  Spleen
B)  Red bone marrow
C)  Lymph nodes
D)  Thymus gland
E)  Blood

Question 20

The primary goal of the immune response is

Accepted Answer

A)  destruction or inactivation of pathogens and foreign material.
B)  maintenance of the proper ionic balance between lymph and blood.
C)  stimulation of mitotic activity in order to replace cells damaged by infection.
D)  reduction of the number of circulating memory lymphocytes.
E)  removal of antibodies from lymph and lymphatic organs.

Exam 24: Lymphatic System

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

Correct AnswerverifiedShow Answer

The process of lymphocyte development and maturation is called ____________.

Correct AnswerverifiedShow Answer

Which is not a function of the lymphatic system?

Correct AnswerverifiedShow Answer

The acronym HIV stands for "human immune virus".

Correct AnswerverifiedShow Answer

The anteromedial border of the spleen

Correct AnswerverifiedShow Answer

-This figure shows the lymphatic system.Which number indicates the inguinal lymph nodes?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

One of the functions of the lymphatic system is to transport fat.

Correct AnswerverifiedShow Answer

The primary goal of the immune response is

Correct AnswerverifiedShow Answer

What is the function of nurse cells in the thymus gland?

Correct AnswerverifiedShow Answer

Which is not correct regarding lymph nodes?

Correct AnswerverifiedShow Answer

Where do B-lymphocytes develop immunocompetence?

Correct AnswerverifiedShow Answer

Lymphoid stem cells mature into

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

Of the lymphatic trunks,which ones drain lymph from deep thoracic structures?

Correct AnswerverifiedShow Answer

Within the red pulp of the spleen are enlarged capillaries called _________,which have a discontinuous basal lamina that allows blood cells to enter and exit easily.

Correct AnswerverifiedShow Answer

What are the five main classes of immunoglobulins found in humans?

Correct AnswerverifiedShow Answer

Lymphatic capillaries originate in the

Correct AnswerverifiedShow Answer

Which type of lymphocyte responds to multiple antigens?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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