Deck 13: Lymphatic System and Defenses Against Disease

Question 1

B cells that respond to the same antigen and are derived from a single cell are referred to as

A)sub-types.
B)plasma cells.
C)clones.
D)antigen presenting cells.

Answer 1

C

Question 2

During bacterial infections, the accumulation of dead cells, immune cells, and chemical mediators that form a thick whitish fluid is called

A)inflammation.
B)serum.
C)pus.
D)detritus.

Answer 2

C

Question 3

There are ______ sub-types of T cells recognized to participate in the immune response.

A)2
B)3
C)5

Answer 3

B

Question 4

An innate, non-specific defense against the action of viruses that cells infected with viruses can produce is ___________.

A)lysozyme
B)pepsin
C)interferon
D)interleukin

Question 5

________ in lymphatic vessels and trunks prevent a backflow of blood.

A)Increased pressure
B)Decreased pressure
C)Valves
D)Osmotic pressure

Question 6

In children born without a thymus, which would be the most serious symptom?

A)A very low population of B lymphocytes.
B)A very low population of T lymphocytes.
C)Elephantiasis of the lower limbs.
D)Poor lymphatic return from the left arm.

Question 7

The antibody that acts as a receptor on the surface of B cell is

A)IgA.
B)IgM.
C)IgE.
D)IgD.

Question 8

The immunity that one receives from their mother both pre-natal and post-natal is referred to as

A)passive natural.
B)passive artificial.
C)active natural.
D)active artificial.

Question 9

Materials moving between body cells and blood capillaries pass through the _________, which surrounds all tissue cells.

A)lymph
B)interstitial fluid
C)lymphatic capillaries
D)none of these choices are correct

Question 10

The enzyme found in tears, saliva, and nasal secretions that acts to destroy bacteria is __________.

A)an interferon
B)a lysozyme
C)an antibody
D)all of these choices are correct

Question 11

In adults, the largest lymphoid organ is/are the _____________.

A)spleen
B)tonsils
C)thymus
D)lymph nodes

Question 12

The skin and mucous membranes can be considered as a ____________, a part of innate immunity.

A)mechanical barrier
B)cellular mechanism
C)chemical mediator
D)none of these choices are correct

Question 13

When inflamed, the ________ tonsils are also known as adenoids.

A)palatine
B)pharyngeal
C)lingual
D)adrenal

Question 14

The antibody active in agglutination or clumping of antigens is

A)IgA.
B)IgM.
C)IgG.
D)IgD.

Question 15

Excess interstitial fluid is collected and returned to the blood by the

A)lymphoid system.
B)lymph nodes.
C)venules.
D)capillaries.

Question 16

________ and respiratory movements move lymph upward through lymphatic vessels and trunks below the heart.

A)Heart contractions
B)Movement of internal organs
C)Osmotic pressure
D)Skeletal muscle contractions

Question 17

The first step in a B-cell's defense against a microorganism is to

A)recognize the antigen.
B)bind to the antigen.
C)secret antibodies.
D)undergo mitosis.

Question 18

The antibody that is capable of crossing the placental barrier and is responsible for the Rh incompatibility between an Rh negative mother and an Rh positive fetus is

A)IgA.
B)IgM.
C)IgG.
D)IgD.

Question 19

T- helper cells act in immune pathways by

A)processing antigens.
B)presenting antigens to other cells.
C)secreting cytokines.
D)all of these choices are correct

Question 20

The antibody primarily active in allergic responses and the activation of basophils is

A)IgA.
B)IgM.
C)IgE.
D)IgD.

Question 21

An activated _______ rapidly divides to form a clone of plasma cells, which produce antibodies and memory cells.

A)antigen presenting cell
B)T lymphocyte
C)B lymphocyte
D)macrophage

Question 22

________ mature in the thymus gland and release chemicals to destroy pathogens or activate other immune cells.

A)Monocytes
B)Neutrophils
C)B lymphocytes
D)T lymphocytes

Question 23

_________ results when a person receives a vaccine that triggers a primary immune response and leaves memory T and B lymphocytes to initiate an attack if the pathogen re-enters the body.

A)Naturally acquired active immunity
B)Naturally acquired passive immunity
C)Artificially acquired passive immunity
D)Artificially acquired active immunity

Question 24

Lymph is filtered and cleansed by the ________ before it is returned to the bloodstream.

A)spleen
B)lymph nodes
C)thymus
D)tonsils

Question 25

What structure collects lymph from approximate 3/4 of the body?

A)thoracic trunk
B)right lymphatic duct
C)cisterna chyli
D)thoracic duct

Question 26

Disorders in which the lymphoid system attacks self antigens are called

A)autoimmune diseases.
B)AIDS.
C)SCIDS.
D)Lymphomas.

Question 27

How does vaccination work?

A)It is artificially acquired active immunity produced by exposure to altered antigens via medical treatment.
B)It is artificially acquired passive immunity produced by exposure to altered antigens via medical treatment.
C)It is artificially acquired active immunity produced by exposure to antigens in the environment.
D)It is artificially acquired passive immunity produced by exposure to antigens in the environment.

Question 28

________, a localized response to infection, attracts leukocytes to the affected tissues to destroy the pathogens.

A)Fever
B)Lysozyme release
C)Inflammation
D)Phagocytosis

Question 29

Lymph from most of the body is returned to the blood in the _________ vein.

A)right subclavian
B)right brachiocephalic
C)left subclavian
D)left brachiocephalic

Question 30

________ are large phagocytic, pathogen-destroying cells in body tissues.

A)Macrophages
B)Lymphocytes
C)Eosinophils
D)Plasma cells

Question 31

Blood is filtered and cleansed, and erythrocytes are stored in the

A)spleen.
B)lymph nodes.
C)thymus.
D)tonsils.

Question 32

Lymphocytes originate in _________ and, after maturation, move into _________ where they divide to produce large populations.

A)red bone marrow; the blood
B)red bone marrow; lymphoid organs
C)lymphoid organs; red bone marrow
D)lymphoid organs; the blood

Question 33

An immune response begins when a ________ is activated by binding to both a foreign antigen and a self antigen on an antigen presenting cell's plasma membrane.

A)killer T lymphocyte
B)B lymphocyte
C)plasma cell
D)helper T lymphocyte

Question 34

Only lymphocytes possessing ________ that can bind with the ________ on an invading pathogen are involved in the immune response against it.

A)receptors; antigens
B)antigens; receptors
C)receptors; antibodies
D)antibodies; receptors

Question 35

What must be matched between donor and recipient in organ transplantation?

A)antibodies
B)human leukocyte antigens (HLAs)
C)major histocompatibility complexes
D)DNA