Deck 21: The Lymphatic System and Immunity

Question 1

What is the major difference between lymph and interstitial fluid?

A) composition of electrolytes
B) white blood cells are present in lymph
C) location
D) types of proteins present
E) red blood cells are present in interstitial fluid

Answer 1

C

Question 2

The left subclavian vein receives lymph from the

A) left axillary vein.
B) lumbar trunk.
C) jugular trunk.
D) thoracic duct.
E) right lymphatic duct.

Answer 2

D

Question 3

These anti-microbial substances will diffuse to uninfected cells and reduce production of viral proteins.

A) transferrins
B) perforins
C) complement proteins
D) defensins
E) interferons

Answer 3

E

Question 4

Which of these provides a non-specific cellular disease resistance mechanism?

A) macrophages
B) T lymphocytes
C) B lymphocytes
D) memory B cells
E) stratified squamous epithelium

Question 5

Which of the following produces the hormone that promotes maturation of T cells?

A) spleen
B) lymph node
C) red bone marrow
D) thymus
E) pancreas

Question 6

Which of these does NOT provide a physical or chemical barrier?

A) macrophages
B) saliva
C) urine
D) mucus
E) stratified squamous epithelium

Question 7

Which of the following intensifies the effect of interferon and promotes the rate of repair?

A) complement proteins
B) perforin
C) fever
D) macrophages
E) natural killer cells

Question 8

The skeletal muscle and respiratory pumps are used in the

A) lymphatic system.
B) cardiovascular system.
C) immune system.
D) lymphatic and immune systems only.
E) lymphatic, immune, and cardiovascular systems.

Question 9

The lymph from the right foot ultimately empties into the

A) left axillary vein.
B) lumbar trunk.
C) jugular trunk.
D) thoracic duct.
E) right lymphatic duct.

Question 10

When B and T cells are fully developed and mature, they are said to be

A) immunocompetent.
B) pluripotent stem cells.
C) primary lymphatic cells.
D) specifically promoted.
E) germ cells.

Question 11

Which of the following is not a function of the lymphatic and immune system?

A) draining excess interstitial fluid
B) maintaining water homeostasis in the body
C) transporting dietary lipids
D) carrying out immune responses
E) All of these choices are functions of the lymphatic and immune system.

Question 12

Which of the following is not considered an organ of the immune system?

A) spleen
B) lymph node
C) red bone marrow
D) thymus
E) pancreas

Question 13

These are mainly used to kill infected body cells and tumor cells.

A) natural killer cells
B) perforins
C) platelets
D) mucus
E) antimicrobial proteins

Question 14

Which of the following is NOT a sign of inflammation?

A) redness
B) pain
C) heat
D) mucus production
E) swelling

Question 15

What is lack of resistance also known as?

A) pathogenic
B) innate
C) specific
D) susceptibility
E) lymphatic

Question 16

Which of the following is a function of the spleen?

A) removes worn out blood cells
B) circulates lymph
C) cleanses interstitial fluid
D) cleanses lymph
E) traps microbes with mucus

Question 17

Describe the barriers used in innate defense.

Question 18

Which portion of the lymph node contains lymphatic nodules?

A) cortex
B) hilum
C) medulla
D) sinuses
E) trabeculae

Question 19

Describe how lymphatic capillaries are one-way only vessels.

Question 20

These anti-microbial substances promote cytolysis, phagocytosis and inflammation.

A) transferrins
B) perforins
C) complement proteins
D) defensins
E) interferons

Question 21

A natural exposure to an infectious agent leads to

A) passive immunity.
B) active immunity.
C) passive and active immunity.
D) immune suppression.
E) None of these choices.

Question 22

Describe what is happening in the diagram.

Question 23

In the diagram, these are the bronchomediastinal trunks.

A) A and F
B) B and G
C) C and H
D) D and I
E) E and J

Question 24

This will lead to inflammation, enhancement of phagocytosis, and cytolysis.

A) classical complement system
B) alternative complement system
C) apoptosis
D) complement system
E) hapten activation

Question 25

This induces production of a specific antibody (immune response).

A) phagocytosis
B) antigen
C) antibody
D) defensin
E) imunnoglobulin

Question 26

These display CD 4 in their membrane and are associated with MHC molecules.

A) cytotoxic T cells
B) helper T Cells
C) memory T Cells
D) MHC
E) B cells

Question 27

This can only stimulate an immune response if attached to a large carrier molecule.

A) epitope
B) antigen
C) haptens
D) MHC
E) CD8

Question 28

What does this diagram represent?

Question 29

Describe what is happening in the diagram.

Question 30

This class of cells includes macrophages, B cells and dendritic cells.

A) antigen presenting cells
B) primary lymphocytes
C) T cells
D) RBC
E) epitope cells

Question 31

In the diagram, what is comprised of white and red pulp?

A) A
B) B
C) C
D) D
E) None of these choices

Question 32

This can only become activated when bound to a foreign antigen while simultaneously receiving a costimulate.

A) B Cell
B) T Cell
C) interferon
D) MHC
E) antigen presenting cell

Question 33

In the diagram this vessel drains lymph from the upper right side of the body into venous blood using a subclavian vein.

A) B
B) C
C) F
D) G
E) E

Question 34

T cells secrete this toxin that is used to fragment DNA.

A) perforin
B) tumor antigen
C) interferons
D) lymphotoxin
E) toxin T

Question 35

In the diagram, what are the principle trunks?

A) All of the labeled areas are principle trunks.
B) A, B, C, D, E, F, G, H
C) A, B, D, E, F, G, H, I
D) A, B, D, E, F, G, I, J, K
E) A, B, D, H, I, J, K

Question 36

In the diagram, where do pluripotent stem cells come from?

A) A
B) B
C) C
D) D
E) None of these choices

Question 37

In the diagram, where do B cells mature?

A) A
B) B
C) C
D) D
E) None of these choices

Question 38

List the five actions of antibodies.

Question 39

This action makes microbes more susceptible to phagocytosis.

A) opsonization
B) cytolysis
C) inflammation
D) complement
E) hybridoma

Question 40

This class of antibodies is mainly found in sweat, tears, breast milk, and GI secretions.

A) IgG
B) IgA
C) IgM
D) IgD
E) IgE

Question 41

The primary response will peak how many days after an exposure?

A) 1 day or less
B) 2-7
C) 10-17
D) 20-30
E) over a month

Question 42

Lymphocytes can recognize

A) self cells.
B) foreign cells.
C) B cells.
D) T cells.
E) natural killer cells.

Question 43

Which type of immunity defends against any type of invader?

A) nonspecific
B) specific
C) cell mediated
D) antibody mediated immunity
E) None of these choices.

Question 44

List the functions of the lymphatic system.

Question 45

Of the following, which is part of the body's second line of defense?

A) mucous cells
B) germ cells
C) lymphocytes
D) natural killer cells
E) None of these choices.

Question 46

This is a small hormone that can stimulate or inhibit many normal cell functions.

A) enzyme
B) kinins
C) cytokine
D) MHC
E) leukocyte

Question 47

What is the most variable cell in the immune system?

A) natural killer cell
B) monocyte
C) RBC
D) lymphocyte
E) macrophage

Question 48

This class of antibodies indicates a recent invasion.

A) IgA
B) IgE
C) IgM
D) IgD
E) IgG

Question 49

List the physical barriers used as the first line of defense against disease-causing microorganisms.

Question 50

Describe the basic sequence of lymph flow from the time that it is initially formed until it returns to the blood.

Question 51

List the steps in processing and presenting of an antigen by an antigen-presenting cell (APC).