Question 1

MALT is found in which layer of the wall of a hollow organ?

Accepted Answer

A)   Epithelial
B)   Lamina propria
C)   Muscularis externa
D)   Submucosa

Question 2

Although they are not a site of lymphocyte formation, ________ lymphatic structures provide sites where immune responses are initiated.

Accepted Answer

A)   hemopoietic
B)   primary
C)   red marrow
D)   secondary

Question 3

The term "primary lymphatic structure" applies

Accepted Answer

A)   only to red bone marrow.
B)   to the spleen and lymph nodes.
C)   to the red bone marrow and thymus.
D)   only to lymph nodes.
E)   to lymph nodes and MALT.

Question 4

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.

Question 5

Which would be the route taken by lymph traveling from lymphatic vessels in the right leg to the bloodstream?

Accepted Answer

A)   Right lumbar trunk - cisterna chyli - thoracic duct - right subclavian vein
B)   Right lumbar trunk - cisterna chyli - thoracic duct - left subclavian vein
C)   Right lumbar trunk - right intestinal trunk - right lymphatic duct - right subclavian vein
D)   Right femoral trunk - right lumbar trunk - right lymphatic duct - superior vena cava
E)   Right femoral trunk - cisterna chyli - thoracic duct - left subclavian vein

Question 6

Tonsils are secondary lymphatic structures.

Accepted Answer

A) True 
 B)False

Question 7

Which area does not contain MALT?

Accepted Answer

A)   Urinary tract
B)   Respiratory tract
C)   Genital tract
D)   Gastrointestinal tract
E)   No exceptions; all choices contain MALT

Question 8

With respect to the lymphatic system, what do the letters in the acronym MALT stand for?

Accepted Answer

A)   Membrane-adhering lymphatic T-cells
B)   Mucosa-associated lymphatic tissue
C)   Multiple-antigen lymphocyte target
D)   Multiple-antibody lymphocyte test

Question 9

Like veins, lymphatic vessels rely on skeletal muscle and respiratory pumps to help propel fluid through them.

Accepted Answer

A) True 
 B)False

Question 10

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.

Question 11

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 gland

Question 12

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 efferent lymphatic vessels.
C)   They contain macrophages.
D)   They filter lymph.
E)   No exceptions; all are true of lymph nodes.

Question 13

The thymus is at its maximum size

Accepted Answer

A)   at birth.
B)   at puberty.
C)   between 30 and 50 years of age.
D)   in old age.

Question 14

Lymphatic capillaries originate in the

Accepted Answer

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

Question 15

Typically, a hilum of a lymph node contains

Accepted Answer

A)   one afferent lymphatic vessel.
B)   one efferent lymphatic vessel.
C)   numerous afferent vessels.
D)   numerous efferent vessels.

Question 16

Lymphatic capillaries

Accepted Answer

A)   cannot be discerned structurally from cardiovascular system capillaries.
B)   originate as closed-ended tubes associated with blood capillary networks.
C)   filter lymph.
D)   concentrate lymph prior to passing it to larger lymphatic vessels.
E)   include layers of smooth muscle for peristalsis.

Question 17

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 18

Which is not correct regarding the spleen?

Accepted Answer

A)   It has an outer cortex and inner medulla.
B)   It is divided into sections by capsular extensions called trabeculae.
C)   Its white pulp contains T-lymphocytes, B-lymphocytes, and macrophages.
D)   Its blood is supplied by the splenic artery and drained by the splenic vein.

Question 19

The ossa coxae contain red marrow.

Accepted Answer

A) True 
 B)False

Question 20

One of the functions of the spleen is phagocytosis of bacteria in the blood.

Accepted Answer

A) True 
 B)False

Exam 21: Lymphatic System

Lymphatic capillaries originate in the

Correct AnswerverifiedShow Answer

Although they are not a site of lymphocyte formation, ________ lymphatic structures provide sites where immune responses are initiated.

Correct AnswerverifiedShow Answer

Which lymphatic organ contains red pulp and white pulp?

Correct AnswerverifiedShow Answer

The thymus is at its maximum size

Correct AnswerverifiedShow Answer

Which is not correct regarding the spleen?

Correct AnswerverifiedShow Answer

MALT is found in which layer of the wall of a hollow organ?

Correct AnswerverifiedShow Answer

One of the functions of the spleen is phagocytosis of bacteria in the blood.

Correct AnswerverifiedShow Answer

The ossa coxae contain red marrow.

Correct AnswerverifiedShow Answer

With respect to the lymphatic system, what do the letters in the acronym MALT stand for?

Correct AnswerverifiedShow Answer

Typically, a hilum of a lymph node contains

Correct AnswerverifiedShow Answer

Tonsils are secondary lymphatic structures.

Correct AnswerverifiedShow Answer

Which would be the route taken by lymph traveling from lymphatic vessels in the right leg to the bloodstream?

Correct AnswerverifiedShow Answer

Which is not correct regarding lymph nodes?

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

Which area does not contain MALT?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The term "primary lymphatic structure" applies

Correct AnswerverifiedShow Answer

Like veins, lymphatic vessels rely on skeletal muscle and respiratory pumps to help propel fluid through them.

Correct AnswerverifiedShow Answer

Which is not correct regarding lymph nodes?

Correct AnswerverifiedShow Answer

Lymphatic capillaries

Correct AnswerverifiedShow Answer

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