Question 1

Which is not correct regarding lymph nodes?

Accepted Answer

A)  They are covered by a connective tissue capsule.
B)  They contain a network of lymphatic sinuses.
C)  Each node has an outer cortex and inner medulla.
D)  Connective tissue bands called tendineae divide nodes.
E)  Lymphatic nodules produce lymphocytes.F) C) and E)
G) B) and E)

Question 2

Helper T-lymphocytes primarily contain the CD8 coreceptor.

Accepted Answer

A) True 
 B)False

Question 3

The primary lymph sacs eventually develop into the

Accepted Answer

A)  lymph nodes.
B)  spleen.
C)  spleen and thymus gland.
D)  thoracic duct and right lymphatic duct.
E)  tonsils and MALT.F) B) and C)
G) None of the above

Question 4

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-lymphocytesF) A) and E)
G) A) and D)

Question 5

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 nodesF) A) and E)
G) A) and B)

Question 6

Lymphatic capillaries are held in place by _____________ filaments that attach the endothelial cells to nearby structures.

Accepted Answer

The answer of Lymphatic capillaries are held in place by...

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Lymph

Accepted Answer

A)  is found only when there is a pathological condition that allows it to leak from capillaries.
B)  is excess interstitial fluid.
C)  is filtered by the spleen.
D)  is synthesized by the lymphoid organs.
E)  All of the choices are correct.F) A) and C)
G) B) and E)

Question 9

Developmentally,the spleen forms from

Accepted Answer

A)  ectoderm.
B)  mesoderm.
C)  endoderm.
D)  aggregations of lymphatic cells.
E)  MALT.F) All of the above
G) D) and E)

Question 10

When is the thymus gland most active?

Accepted Answer

A)  From ages 25-45 years
B)  From childhood to puberty
C)  From puberty to adulthood
D)  From ages 45-65 years
E)  From age 65 years until deathF) B) and D)
G) C) and D)

Question 11

Where do T-lymphocytes develop immunocompetence?

Accepted Answer

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

Question 12

Which lymphatic structures form from the pharyngeal pouches?

Accepted Answer

A)  Palatine tonsils
B)  Lingual tonsils
C)  Thymus gland
D)  Palatine tonsils and thymus gland
E)  Palatine,pharyngeal,and lingual tonsilsF) A) and E)
G) A) and B)

Question 13

Which of the lymphatic trunks drain into the cisterna chyli?

Accepted Answer

A)  Intestinal trunks
B)  Lumbar trunks
C)  Intestinal trunks and lumbar trunks
D)  Subclavian trunks and jugular trunks
E)  Bronchomediastinal trunks and intestinal trunksF) All of the above
G) C) and D)

Question 14

Though some lymphocytes are housed in lymphatic organs,most circulate continuously in the bloodstream.

Accepted Answer

A) True 
 B)False

Question 15

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,IgMF) C) and D)
G) B) and C)

Question 16

The composition of lymph is most similar to

Accepted Answer

A)  whole blood.
B)  blood plasma.
C)  interstitial fluid.
D)  extracellular fluid.
E)  intracellular fluid.F) A) and D)
G) C) and E)

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.F) C) and D)
G) B) and C)

Question 18

Which is not a type of T-lymphocyte?

Accepted Answer

A)  Helper T-lymphocyte
B)  Cytotoxic T-lymphocyte
C)  Memory T-lymphocyte
D)  Plasma T-lymphocyte
E)  Suppressor T-lymphocyteF) A) and E)
G) C) and E)

Question 19

Lymphatic capillaries

Accepted Answer

A)  are open at both ends.
B)  are smaller in diameter than blood capillaries.
C)  have wide gaps between endothelial cells.
D)  lack a basement membrane.
E)  are abundant in epithelial tissues.F) A) and C)
G) A) and E)

Question 20

Which is not correct regarding the white pulp of the spleen?

Accepted Answer

A)  Its cells include T-lymphocytes,B-lymphocytes,and macrophages.
B)  Its cells are arranged in clusters that are circular in shape.
C)  Its cells can initiate the immune response.
D)  It serves as a blood reservoir.
E)  Each cluster of white pulp is surrounded by red pulp.F) A) and C)
G) C) and D)

Exam 24: Lymphatic System

Developmentally,the spleen forms from

Correct AnswerverifiedShow Answer

The primary lymph sacs eventually develop into the

Correct AnswerverifiedShow Answer

Lymph

Correct AnswerverifiedShow Answer

When is the thymus gland most active?

Correct AnswerverifiedShow Answer

Which lymphatic structures form from the pharyngeal pouches?

Correct AnswerverifiedShow Answer

Though some lymphocytes are housed in lymphatic organs,most circulate continuously in the bloodstream.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is not a type of T-lymphocyte?

Correct AnswerverifiedShow Answer

Which is not correct regarding lymph nodes?

Correct AnswerverifiedShow Answer

Lymphatic capillaries

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

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

Correct AnswerverifiedShow Answer

Helper T-lymphocytes primarily contain the CD8 coreceptor.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is not correct regarding the white pulp of the spleen?

Correct AnswerverifiedShow Answer

Where do T-lymphocytes develop immunocompetence?

Correct AnswerverifiedShow Answer

Lymphatic capillaries are held in place by _____________ filaments that attach the endothelial cells to nearby structures.

Correct AnswerverifiedShow Answer

The composition of lymph is most similar to

Correct AnswerverifiedShow Answer

The anteromedial border of the spleen

Correct AnswerverifiedShow Answer

Which of the lymphatic trunks drain into the cisterna chyli?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified