Filters
Question type

Study Flashcards

The distal region of the small intestine contains clumps of lymph follicles called


A) villi.
B) rugae.
C) aggregated lymphoid follicles.
D) pancreatic islets.

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

The spleen atrophies during adulthood.

A) True
B) False

Correct Answer

verifed

verified

Which of the following might explain why most people are sick more often as children than as adults in their 20s through 50s?


A) The thymus is so active in children that it fights bacteria so hard that it produces strong symptoms of disease.
B) We build up many varieties of memory lymphocytes during childhood, providing immunity to more and more antigens during adulthood.
C) The immune system does not appear until the preteen years.
D) Because of their small size, childrenʹs bodies cannot contain as much lymphoid tissue as those of adults.

E) A) and D)
F) A) and B)

Correct Answer

verifed

verified

In lymph nodes, follicles are always located


A) in the lymph sinuses.
B) near the hilum.
C) in the medullary cords.
D) in the cortex.

E) All of the above
F) B) and D)

Correct Answer

verifed

verified

Clusters of lymph nodes occur in all of the following sites except


A) along the aorta.
B) in the mediastinum.
C) in the inguinal region.
D) in bones and bone marrow.

E) All of the above
F) A) and D)

Correct Answer

verifed

verified

The is the site of T cell maturation.

Correct Answer

verifed

verified

Lymphoid tissue associated with the digestive, respiratory, urinary, and reproductive tracts.


A) lacteals
B) crypts
C) MALT
D) tonsils
E) aggregated lymphoid nodules

F) B) and D)
G) A) and E)

Correct Answer

verifed

verified

In humans, T lymphocytes originate in


A) the thymus.
B) the red bone marrow.
C) the lymph nodes.
D) the spleen.

E) C) and D)
F) B) and D)

Correct Answer

verifed

verified

Duct of the lymphatic system that drains the bodyʹs entire lower half.


A) right lymphatic duct
B) lumbar trunk
C) bronchomediastinal trunk
D) intestinal trunk
E) thoracic duct

F) C) and D)
G) A) and C)

Correct Answer

verifed

verified

How does the structure and the function of lymph-collecting vessels compare to those of veins? What tunics do they have in common?

Correct Answer

verifed

verified

Lymph-collecting vessels transport fluid...

View Answer

Which of the following is not a normal component of lymph?


A) plasma proteins
B) ions
C) water
D) red blood cells

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

The tonsils located just behind the openings of the pharyngotympanic tubes in the pharynx are the tonsils.

Correct Answer

verifed

verified

Lymphoid tissue contains all of the following elements except


A) B cells.
B) T cells.
C) follicles.
D) thick collagen fibers.

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

Blockage of the duct would prevent drainage only from the and lumbar trunks.


A) thoracic; intestinal
B) right lymphatic; subclavian
C) right lymphatic; jugular
D) thoracic; axillary

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

Lymphoid organs located in the mucosal lining of the pharynx.


A) tonsils
B) salivary glands
C) aggregated lymphoid nodules
D) uvula
E) pharygotympanic tube

F) B) and E)
G) A) and B)

Correct Answer

verifed

verified

The prevents premature activation of immature thymic lymphocytes.

Correct Answer

verifed

verified

blood-thym...

View Answer

One location where lymphoid tissue is found is ʺin the frequently infected mucous membranes of the digestive, respiratory, urinary, and reproductive tracts.ʺ Specifically, this refers to


A) the intestinal and tracheobronchial lymph nodes.
B) intestinal and bronchomediastinal lymph trunks.
C) the cisterna chyli and lacteals.
D) MALT.

E) B) and D)
F) B) and C)

Correct Answer

verifed

verified

Set of lymphatic capillaries that collect fat-laden fluids from the intestinal tract.


A) bronchomediastinal trunks
B) subclavian trunks
C) lacteals
D) lumbar trunks
E) intestinal trunk

F) D) and E)
G) A) and C)

Correct Answer

verifed

verified

Lymphocyte specific antigens.

Correct Answer

verifed

verified

Identify and describe the functions of the lymphatic system.

Correct Answer

verifed

verified

The lymphatic system recovers tissue flu...

View Answer

Showing 81 - 100 of 116

Related Exams

Show Answer