Question 1

Afferent lymphatic vessels have valves that open away from a lymph node so that they direct the flow of lymph out of the node.

Accepted Answer

A) True 
 B)False  False

Question 2

Lymphatic capillaries are found in: 
1) intracellular spaces
2) intercellular spaces
3) interstitial spaces

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  both 2 and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  both 2 and 3 D

Question 3

Which of the following statements about lymph nodes is FALSE?

Accepted Answer

A)  Afferent lymphatic vessels direct lymph out of the lymph node, along the convex surface. 
B)  One or two efferent lymphatic vessel(s) is/are attached at the hilum, along with blood vessels. 
C)  The outer cortex contains lymphatic nodules (follicles). 
D)  Cells found in the lymph node include T cells, B cells, and macrophages. 
A)  Afferent lymphatic vessels direct lymph out of the lymph node, along the convex surface. 
B)  One or two efferent lymphatic vessel(s) is/are attached at the hilum, along with blood vessels. 
C)  The outer cortex contains lymphatic nodules (follicles). 
D)  Cells found in the lymph node include T cells, B cells, and macrophages. A

Question 4

T lymphocytes gain competence and maturity under the control of a hormone produced and secreted from the:

Accepted Answer

A)  red bone marrow 
B)  medullary cavity of bones 
C)  lymph nodes 
D)  thymus 
A)  red bone marrow 
B)  medullary cavity of bones 
C)  lymph nodes 
D)  thymus

Question 5

_____ contains stem cells that become lymphocytes.

Accepted Answer

A)  The thymus 
B)  Red bone marrow 
C)  The spleen 
D)  Lymph nodes 
A)  The thymus 
B)  Red bone marrow 
C)  The spleen 
D)  Lymph nodes

Question 6

Each lobe of the thymus gland consists of an outer cortex and an inner medulla.

Accepted Answer

A) True 
 B)False

Question 7

List and describe the effects of aging on the lymphatic system.

Accepted Answer

The response to vaccines is decreased.
E

Question 8

The principal lymphatic trunks include all of the following EXCEPT the

Accepted Answer

A)  jugular 
B)  subclavian 
C)  bronchomediastinal 
D)  cervical 
A)  jugular 
B)  subclavian 
C)  bronchomediastinal 
D)  cervical

Question 9

The elderly tend to respond poorly to vaccines because of decreased production of autoantibodies.

Accepted Answer

A) True 
 B)False

Question 10

Edema, or excess accumulation of interstitial fluid, is due to anchoring filaments causing closure of the spaces between lymphatic endothelial cells.

Accepted Answer

A) True 
 B)False

Question 11

The lymph nodes of the abdomen are divided into parietal and visceral groups.

Accepted Answer

A) True 
 B)False

Question 12

Breathing assists the flow of lymph; lymph flows from the abdominal region to the thoracic region every time you _____.

Accepted Answer

A)  exhale 
B)  inhale 
A)  exhale 
B)  inhale

Question 13

Which of the following occurs as a result of the presence of lacteals in the wall of the intestine?

Accepted Answer

A)  Most dietary fats do not enter the hepatic portal circulation. 
B)  The lymph receives digested milk sugars, which gives the lymph its creamy color. 
C)  All end products of digestion are carried by lymph. 
D)  Lymph enters the hepatic portal circulation. 
A)  Most dietary fats do not enter the hepatic portal circulation. 
B)  The lymph receives digested milk sugars, which gives the lymph its creamy color. 
C)  All end products of digestion are carried by lymph. 
D)  Lymph enters the hepatic portal circulation.

Question 14

The composition of lymph most closely resembles:

Accepted Answer

A)  intracellular fluid. 
B)  plasma. 
C)  interstitial fluid. 
D)  synovial fluid. 
A)  intracellular fluid. 
B)  plasma. 
C)  interstitial fluid. 
D)  synovial fluid.

Question 15

The removal of the axillary lymph nodes during a breast cancer surgery would result in widespread edema in which region?

Accepted Answer

A)  neck 
B)  upper limb 
C)  lower limb 
D)  abdomen 
A)  neck 
B)  upper limb 
C)  lower limb 
D)  abdomen

Question 16

A correct sequence for fluid flow in the body is:

Accepted Answer

A)  arteries, lymphatic capillaries, lymphatic ducts, heart, veins, blood capillaries, interstitial spaces. 
B)  blood capillaries, interstitial spaces, lymphatic capillaries, lymphatic ducts, veins, heart, arteries. 
C)  lymphatic capillaries, interstitial spaces, lymphatic ducts, veins, heart, arteries, blood capillaries. 
D)  veins, heart, arteries, lymphatic ducts, interstitial spaces, lymphatic capillaries, blood capillaries. 
A)  arteries, lymphatic capillaries, lymphatic ducts, heart, veins, blood capillaries, interstitial spaces. 
B)  blood capillaries, interstitial spaces, lymphatic capillaries, lymphatic ducts, veins, heart, arteries. 
C)  lymphatic capillaries, interstitial spaces, lymphatic ducts, veins, heart, arteries, blood capillaries. 
D)  veins, heart, arteries, lymphatic ducts, interstitial spaces, lymphatic capillaries, blood capillaries.

Question 17

Name and describe the location of the two main lymphatic ducts. Describe the portions of the body drained by each.

Accepted Answer

The thoracic (left lymphatic) duct, loca

Question 18

The lymphatic vessels arise from:

Accepted Answer

A)  ectoderm. 
B)  endoderm. 
C)  mesoderm. 
D)  all of these choices are correct 
A)  ectoderm. 
B)  endoderm. 
C)  mesoderm. 
D)  all of these choices are correct

Question 19

Which of the following is a primary lymphatic organ?

Accepted Answer

A)  spleen 
B)  thymus 
C)  lymph node 
D)  All of these choices are primary lymphatic organs 
A)  spleen 
B)  thymus 
C)  lymph node 
D)  All of these choices are primary lymphatic organs

Question 20

The lymphatic system transports dietary _____ from the gastrointestinal tract to the blood.

Accepted Answer

A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  All of these choices are correct 
A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  All of these choices are correct

Exam 15: The Lymphatic Lymphoid System and Immunity

Afferent lymphatic vessels have valves that open away from a lymph node so that they direct the flow of lymph out of the node.

Lymphatic capillaries are found in: 1) intracellular spaces 2) intercellular spaces 3) interstitial spaces

Which of the following statements about lymph nodes is FALSE?

T lymphocytes gain competence and maturity under the control of a hormone produced and secreted from the:

_____ contains stem cells that become lymphocytes.

Each lobe of the thymus gland consists of an outer cortex and an inner medulla.

List and describe the effects of aging on the lymphatic system.

The principal lymphatic trunks include all of the following EXCEPT the

The elderly tend to respond poorly to vaccines because of decreased production of autoantibodies.

Edema, or excess accumulation of interstitial fluid, is due to anchoring filaments causing closure of the spaces between lymphatic endothelial cells.

The lymph nodes of the abdomen are divided into parietal and visceral groups.

Breathing assists the flow of lymph; lymph flows from the abdominal region to the thoracic region every time you _____.

Which of the following occurs as a result of the presence of lacteals in the wall of the intestine?

The composition of lymph most closely resembles:

The removal of the axillary lymph nodes during a breast cancer surgery would result in widespread edema in which region?

A correct sequence for fluid flow in the body is:

Name and describe the location of the two main lymphatic ducts. Describe the portions of the body drained by each.

The lymphatic vessels arise from:

Which of the following is a primary lymphatic organ?

The lymphatic system transports dietary _____ from the gastrointestinal tract to the blood.

An Introduction to the Human Body

Cells

Tissues

Development

The Integumentary System

Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

Nervous Tissue

The Spinal Cord and the Spinal Nerves

The Brain and the Cranial Nerves

The Autonomic Nervous System

Somatic Senses and Motor Control

Special Senses

The Endocrine System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive Systems

Surface Anatomy

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