Question 1

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 2

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 D)
G) C) and D)

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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 5

Which are not tonsils?

Accepted Answer

A)  Adenoids
B)  Palatine tonsils
C)  Pharyngeal tonsils
D)  Lingual tonsils
E)  Palatoglossal tonsilsF) B) and C)
G) C) and D)

Question 6

Which cell type is targeted by the human immunodeficiency virus (HIV) ?

Accepted Answer

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

Question 7

-This figure shows a lymph node and its components.What is the enlarged region indicated by number 1?

Accepted Answer

A)  Lymphatic nodule
B)  Lymphatic corpuscle
C)  Cortical sinus
D)  Medullary cord
E)  Medullary sinusF) C) and E)
G) B) and E)

Question 8

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

Accepted Answer

A)  crypts
B)  trabeculae
C)  sinuses
D)  clefts
E)  fissuresF) None of the above
G) B) and C)

Question 9

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) None of the above

Question 10

Which lymphatic organ contains red pulp and white pulp?

Accepted Answer

A)  Thymus gland and lymph nodes
B)  Spleen and lymph nodes
C)  Lymph nodes
D)  Spleen
E)  Thymus glandF) C) and D)
G) B) and E)

Question 11

-This figure shows a lymph node and its components.Which is not visible in the enlarged region indicated by number 3?

Accepted Answer

A)  Medullary sinus
B)  Lymphocytes
C)  Trabecula
D)  Cortical sinus
E)  MacrophageF) A) and C)
G) None of the above

Question 12

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 B)
G) All of the above

Question 13

The pharyngeal tonsils are located

Accepted Answer

A)  along the posterior margins of the tongue.
B)  in the posterior wall of the nasopharynx.
C)  at the base of the palatoglossal arches.
D)  in the posterolateral region of the oral cavity.
E)  lateral to the uvula in the oropharynx.F) A) and D)
G) D) and E)

Question 14

The spleen phagocytizes old or defective erythrocytes and platelets in a process known as ________________.

Accepted Answer

The answer of The spleen phagocytizes old or defective erythrocytes...

Question 15

Lymph is transported through a network of increasingly larger lymphatic passageways.What is the correct order of these,from smallest diameter to largest diameter?

Accepted Answer

A)  Capillaries - ducts - trunks - vessels
B)  Ducts - capillaries - vessels - trunks
C)  Vessels - capillaries - trunks - ducts
D)  Ducts - vessels - capillaries - trunks
E)  Capillaries - vessels - trunks - ductsF) C) and D)
G) B) and C)

Question 16

Which area does not contain MALT?

Accepted Answer

A)  Urinary tract
B)  Respiratory tract
C)  Genital tract
D)  Gastrointestinal tract
E)  None of the choices is correct.F) C) and D)
G) A) and B)

Question 17

Thymic hormones

Accepted Answer

A)  are secreted in response to stimulation by activating hormones from the pituitary gland.
B)  stimulate T-lymphocyte maturation and differentiation.
C)  are produced by the cortical lymphocytes.
D)  are stored in thymic corpuscles prior to release.
E)  stimulate the activity of nurse cells.F) All of the above
G) C) and D)

Question 18

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 D)
G) B) and D)

Question 19

What is the function of dendritic cells within lymph nodes?

Accepted Answer

A)  They initiate replication of macrophages.
B)  They conduct signals between activated T-lymphocytes to accelerate the immune response.
C)  They collect antigens and present them to T-lymphocytes.
D)  They secrete lymphatic hormones to stimulate adjacent lymph nodes.
E)  They absorb fluid when infected,causing the lymph nodes to swell and become tender to the touch.F) A) and D)
G) C) and D)

Question 20

The thoracic duct collects lymph from all of the following except the

Accepted Answer

A)  abdomen.
B)  left leg.
C)  right arm.
D)  right foot.
E)  left shoulder.F) C) and D)
G) B) and D)

Exam 24: Lymphatic System

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

Correct AnswerverifiedShow Answer

The thoracic duct collects lymph from all of the following except the

Correct AnswerverifiedShow Answer

-This figure shows a lymph node and its components.Which is not visible in the enlarged region indicated by number 3?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Regions of MALT called Peyer patches are found in the

Correct AnswerverifiedShow Answer

Which area does not contain MALT?

Correct AnswerverifiedShow Answer

Thymic hormones

Correct AnswerverifiedShow Answer

Lymph is transported through a network of increasingly larger lymphatic passageways.What is the correct order of these,from smallest diameter to largest diameter?

Correct AnswerverifiedShow Answer

Which cell type is targeted by the human immunodeficiency virus (HIV) ?

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

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

Correct AnswerverifiedShow Answer

The pharyngeal tonsils are located

Correct AnswerverifiedShow Answer

What is the function of dendritic cells within lymph nodes?

Correct AnswerverifiedShow Answer

-This figure shows a lymph node and its components.What is the enlarged region indicated by number 1?

Correct AnswerverifiedShow Answer

Which lymphatic structures form from the pharyngeal pouches?

Correct AnswerverifiedShow Answer

Which lymphatic organ contains red pulp and white pulp?

Correct AnswerverifiedShow Answer

The composition of lymph is most similar to

Correct AnswerverifiedShow Answer

The spleen phagocytizes old or defective erythrocytes and platelets in a process known as ________________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which are not tonsils?

Correct AnswerverifiedShow Answer

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