Chapter 23 - The Lymphoid System

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Introduction and Overview

Structure of Lymphatic

VesselsLymphocytes

Lymphoid Tissues

Lymphoid Organs / Effects of

Aging

FINAL ROUND

Topic 1:

$100 Question

The lymphoid system:

a. helps eliminate regional differences in the composition of interstitial fluid.

b. produces, maintains, and distributes lymphocytes.

c. provides an alternate route for the transport of hormones, nutrients, and waste products.

d. All of the above.BACK TO GAME

ANSWER

Topic 1:

$100 Answer

The lymphoid system:

a. helps eliminate regional differences in the composition of interstitial fluid.

b. produces, maintains, and distributes lymphocytes.

c. provides an alternate route for the transport of hormones, nutrients, and waste products.

d. All of the above.BACK TO GAME

Topic 1:

$200 Question

Which of the following statements concerning lymph is/are false?

a. Lymph contains interstitial fluid, which resembles blood plasma, but with a higher concentration of proteins.

b. Lymph contains macrophages of various types.

c. Lymph contains lymphocytes, which are cells responsible for the immune response.

d. None of the statements is false.BACK TO GAME

ANSWER

Topic 1:

$200 Answer

Which of the following statements concerning lymph is/are false?

a. Lymph contains interstitial fluid, which resembles blood plasma, but with a higher concentration of proteins.

b. Lymph contains macrophages of various types.

c. Lymph contains lymphocytes, which are cells responsible for the immune response.

d. None of the statements is false.BACK TO GAME

Topic 1:

$300 Question

In order to maintain normal blood volume and eliminate local variations in the chemical composition of interstitial fluid, blood pressure at the ____ end of a systemic capillary tends to force water and solutes ____ the plasma.

a. distal, out of

b. proximal, into

c. distal, into

d. proximal, out ofBACK TO GAME

ANSWER

Topic 1:

$300 Answer

In order to maintain normal blood volume and eliminate local variations in the chemical composition of interstitial fluid, blood pressure at the ____ end of a systemic capillary tends to force water and solutes ____ the plasma.

a. distal, out of

b. proximal, into

c. distal, into

d. proximal, out ofBACK TO GAME

Topic 1:

$400 Question

Which of the following are examples of secondary lymphoid structures?

a. lymph nodes and tonsils

b. lymph nodes and bone marrow

c. bone marrow and thymus

d. tonsils and thymusBACK TO GAME

ANSWER

Topic 1:

$400 Answer

Which of the following are examples of secondary lymphoid structures?

a. lymph nodes and tonsils

b. lymph nodes and bone marrow

c. bone marrow and thymus

d. tonsils and thymusBACK TO GAME

Topic 1:

$500 Question

In which of the following structures are lymphocytes not produced and stored?

a. spleen and thymus

b. lymph nodes

c. bone marrow

d. A and CBACK TO GAME

ANSWER

Topic 1:

$500 Answer

In which of the following structures are lymphocytes not produced and stored?

a. spleen and thymus

b. lymph nodes

c. bone marrow

d. A and CBACK TO GAME

Topic 2:

$100 Question

The ____ segment of the thoracic duct lies ____ to the vertebral column at the level of the second lumbar vertebrae.

a. superior, anterior

b. inferior, anterior

c. superior, lateral

d. inferior, posteriorBACK TO GAME

ANSWER

Topic 2:

$100 Answer

The ____ segment of the thoracic duct lies ____ to the vertebral column at the level of the second lumbar vertebrae.

a. superior, anterior

b. inferior, anterior

c. superior, lateral

d. inferior, posteriorBACK TO GAME

Topic 2:

$200 Question

Superficial lymphatics are not found in, or do not collect lymph from, which of the following locations?

a. the subcutaneous tissue next to the skin

b. skeletal muscles and other organs of the neck, limbs and trunk

c. the loose connective tissues of the mucous membranes lining the digestive, respiratory, urinary and reproductive tracts

d. the loose connective tissues of the serous membranes lining the pleural, pericardial, and peritoneal cavities

BACK TO GAMEANSWER

Topic 2:

$200 Answer

Superficial lymphatics are not found in, or do not collect lymph from, which of the following locations?

a. the subcutaneous tissue next to the skin

b. skeletal muscles and other organs of the neck, limbs and trunk

c. the loose connective tissues of the mucous membranes lining the digestive, respiratory, urinary and reproductive tracts

d. the loose connective tissues of the serous membranes lining the pleural, pericardial, and peritoneal cavities

BACK TO GAME

Topic 2:

$300 Question

Which structure receives lymph from the inferior region of the abdomen, pelvis, and lower limbs through the lumbar and intestinal trunks?

a. bronchomediastinal trunk

b. jugular trunk

c. cisterna chyli

d. subclavian trunkBACK TO GAME

ANSWER

Topic 2:

$300 Answer

Which structure receives lymph from the inferior region of the abdomen, pelvis, and lower limbs through the lumbar and intestinal trunks?

a. bronchomediastinal trunk

b. jugular trunk

c. cisterna chyli

d. subclavian trunkBACK TO GAME

Topic 2:

$400 Question

Which of the following are not lymphatic trunks?

a. cervical trunks

b. intestinal trunks

c. lumbar trunks

d. bronchomediastinal trunksBACK TO GAME

ANSWER

Topic 2:

$400 Answer

Which of the following are not lymphatic trunks?

a. cervical trunks

b. intestinal trunks

c. lumbar trunks

d. bronchomediastinal trunksBACK TO GAME

Topic 2:

$500 Question

Which of the following structures empties into the venous system at or near the junction of the right internal jugular vein and subclavian vein?

a. cisterna chyli

b. cervical trunk

c. right lymphatic duct

d. bronchomediastinal trunkBACK TO GAME

ANSWER

Topic 2:

$500 Answer

Which of the following structures empties into the venous system at or near the junction of the right internal jugular vein and subclavian vein?

a. cisterna chyli

b. cervical trunk

c. right lymphatic duct

d. bronchomediastinal trunkBACK TO GAME

Topic 3:

$100 Question

Which population of lymphocytes assists in the regulation and coordination of the immune response?

a. B cells

b. cytotoxic T-cells

c. NK cells

d. suppressor T cellsBACK TO GAME

ANSWER

Topic 3:

$100 Answer

Which population of lymphocytes assists in the regulation and coordination of the immune response?

a. B cells

b. cytotoxic T-cells

c. NK cells

d. suppressor T cellsBACK TO GAME

Topic 3:

$200 Question

Which of the following cells become activated only if the same antigen appears in the body at a later date?

a. cytotoxic T-cells

b. memory T-cells

c. memory B-cells

d. B and CBACK TO GAME

ANSWER

Topic 3:

$200 Answer

Which of the following cells become activated only if the same antigen appears in the body at a later date?

a. cytotoxic T-cells

b. memory T-cells

c. memory B-cells

d. B and CBACK TO GAME

Topic 3:

$300 Question

Which type of lymphocyte is responsible for “cell-mediated immunity?”

a. activated T-cells

b. B-cells

c. natural killer cells

d. suppressor T-cellsBACK TO GAME

ANSWER

Topic 3:

$300 Answer

Which type of lymphocyte is responsible for “cell-mediated immunity?”

a. activated T-cells

b. B-cells

c. natural killer cells

d. suppressor T-cellsBACK TO GAME

Topic 3:

$400 Question

Which of the following types of lymphocytes are also known as “large granular lymphocytes?”

a. memory T-cells

b. helper T-cells

c. natural killer cells

d. suppressor T-cellsBACK TO GAME

ANSWER

Topic 3:

$400 Answer

Which of the following types of lymphocytes are also known as “large granular lymphocytes?”

a. memory T-cells

b. helper T-cells

c. natural killer cells

d. suppressor T-cellsBACK TO GAME

Topic 3:

$500 Question

Which type of lymphocyte is seldom found in the thymus?

a. natural killer cells

b. suppressor T-cells

c. B-cells

d. helper T-cellsBACK TO GAME

ANSWER

Topic 3:

$500 Answer

Which type of lymphocyte is seldom found in the thymus?

a. natural killer cells

b. suppressor T-cells

c. B-cells

d. helper T-cellsBACK TO GAME

Topic 4:

$100 Question

Typical lymphoid nodules often have a pale central zone, called a ____, which contains activated, dividing ____.

a. germinal center, dendritic cells

b. germinal center, lymphocytes

c. deep cortex, dendritic cells

d. medulla, lymphocytesBACK TO GAME

ANSWER

Topic 4:

$100 Answer

Typical lymphoid nodules often have a pale central zone, called a ____, which contains activated, dividing ____.

a. germinal center, dendritic cells

b. germinal center, lymphocytes

c. deep cortex, dendritic cells

d. medulla, lymphocytesBACK TO GAME

Topic 4:

$200 Question

Where is mucosa-associated lymphoid tissue (MALT) found?

a. in the adenoids

b. in the digestive tract

c. in the respiratory tract

d. in the splenic red pulpBACK TO GAME

ANSWER

Topic 4:

$200 Answer

Where is mucosa-associated lymphoid tissue (MALT) found?

a. in the adenoids

b. in the digestive tract

c. in the respiratory tract

d. in the splenic red pulpBACK TO GAME

Topic 4:

$300 Question

Lymphoid nodules are typically ____ in shape, and average around ____ in diameter.

a. round, 1 cm

b. round, 5 mm

c. oval, 1 mm

d. oval, 2 cmBACK TO GAME

ANSWER

Topic 4:

$300 Answer

Lymphoid nodules are typically ____ in shape, and average around ____ in diameter.

a. round, 1 cm

b. round, 5 mm

c. oval, 1 mm

d. oval, 2 cmBACK TO GAME

Topic 4:

$400 Question

Where are aggregated lymphoid nodules, known as Peyer’s patches, found?

a. in the urinary bladder

b. in the small intestine

c. in the lungs

d. in the adenoidsBACK TO GAME

ANSWER

Topic 4:

$400 Answer

Where are aggregated lymphoid nodules, known as Peyer’s patches, found?

a. in the urinary bladder

b. in the small intestine

c. in the lungs

d. in the adenoidsBACK TO GAME

Topic 4:

$500 Question

How many tonsils are normally found in the human body?

a. two

b. four

c. five

d. sixBACK TO GAME

ANSWER

Topic 4:

$500 Answer

How many tonsils are normally found in the human body?

a. two

b. four

c. five

d. sixBACK TO GAME

Topic 5:

$100 Question

Which region of the lymph node contains a meshwork of branching reticular fibers, macrophages and dendritic cells?

a. medulla

b. outer cortex

c. paracortical area

d. subcapsular spaceBACK TO GAME

ANSWER

Topic 5:

$100 Answer

Which region of the lymph node contains a meshwork of branching reticular fibers, macrophages and dendritic cells?

a. medulla

b. outer cortex

c. paracortical area

d. subcapsular spaceBACK TO GAME

Topic 5:

$200 Question

Which of the following areas of a typical lymph node is dominated by T-cells?

a. the outer cortex

b. the medulla

c. the deep cortical area

d. the medullary cordsBACK TO GAME

ANSWER

Topic 5:

$200 Answer

Which of the following areas of a typical lymph node is dominated by T-cells?

a. the outer cortex

b. the medulla

c. the deep cortical area

d. the medullary cordsBACK TO GAME

Topic 5:

$300 Question

Which of the following statements regarding the thymus is/are false?

a. The thymic medulla contains lymphoid stem cells that divide rapidly, producing daughter cells that mature into T-cells.

b. The capsule that covers the thymus divides it into two thymic lobes.

c. The thymus reaches its greatest size, relative to body size, in the first year or two after birth.

d. None of the statements is false.BACK TO GAME

ANSWER

Topic 5:

$300 Answer

Which of the following statements regarding the thymus is/are false?

a. The thymic medulla contains lymphoid stem cells that divide rapidly, producing daughter cells that mature into T-cells.

b. The capsule that covers the thymus divides it into two thymic lobes.

c. The thymus reaches its greatest size, relative to body size, in the first year or two after birth.

d. None of the statements is false.BACK TO GAME

Topic 5:

$400 Question

The increased incidence of ____ in the elderly reflects the fact that lymphoid surveillance declines, and ____ cells are not eliminated as effectively.

a. cancer, natural killer

b. allergies, T-cells

c. cancer, tumor

d. allergies, antigensBACK TO GAME

ANSWER

Topic 5:

$400 Answer

The increased incidence of ____ in the elderly reflects the fact that lymphoid surveillance declines, and ____ cells are not eliminated as effectively.

a. cancer, natural killer

b. allergies, T-cells

c. cancer, tumor

d. allergies, antigensBACK TO GAME

Topic 5:

$500 Question

Which splenic surface/area contains indentations known as the gastric area and renal area?

a. diaphragmatic surface

b. hilus

c. gastrosplenic area

d. visceral surfaceBACK TO GAME

ANSWER

Topic 5:

$500 Answer

Which splenic surface/area contains indentations known as the gastric area and renal area?

a. diaphragmatic surface

b. hilus

c. gastrosplenic area

d. visceral surfaceBACK TO GAME

FINAL ROUND Question

What is the correct order of events which occur when defenses against bacterial pathogens are initiated?

1 - Antibody production by plasmocytes

2 - Activation of B-cells

3 - Macrophage activation

4 - Activation of helper T-cells

5 - Antigen presentation

a. 5-3-2-4-1

b. 3-5-4-2-1

c. 5-3-4-2-1

d. 3-5-2-4-1BACK TO GAME

ANSWER

FINAL ROUND Answer

What is the correct order of events which occur when defenses against bacterial pathogens are initiated?

1 - Antibody production by plasmocytes

2 - Activation of B-cells

3 - Macrophage activation

4 - Activation of helper T-cells

5 - Antigen presentation

a. 5-3-2-4-1

b. 3-5-4-2-1

c. 5-3-4-2-1

d. 3-5-2-4-1BACK TO GAME