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Biology 2015

Sylvia S. Mader, Michael Windelspecht

Chapter 33

The Lymphatic and Immune Systems

Educators


Problem 1

Receptors for pathogen-associated molecular patterns, or PAMPS, are found in all but which type of organism?
a. amoebas
b. fruit flies
c. humans
d. plants

Anna M.
Numerade Educator

Problem 2

Which of these are examples of pathogen-associated molecular patterns?
a. bacterial cell wall components
b. double-stranded viral RNA
c. fungal cell wall components
d. All of these are correct.

Bryan L.
Numerade Educator

Problem 3

True adaptive immunity, involving the production of a large number of diverse antigen receptors, first evolved in
a. amphibians.
b. invertebrates.
c. jawed vertebrates.
d. mammals.

Anna M.
Numerade Educator

Problem 4

Like veins, lymphatic vessels
a. have thick walls of smooth muscle.
b. contain valves for a one-way flow of fluids.
c. empty directly into the heart.
d. receive fluids directly from capillaries.

Bryan L.
Numerade Educator

Problem 5

Which of these is a primary lymphoid organ?
a. lymph nodes
b. spleen
c. thymus
d. tonsils

Anna M.
Numerade Educator

Problem 6

B cells mature within
a. the lymph nodes.
b. the spleen.
c. the thymus.
d. the bone marrow.

Bryan L.
Numerade Educator

Problem 7

The organ that contains red pulp, which filters the blood, and white pulp, where lymphocytes respond to antigens in the blood, is the
a. bone marrow.
b. lymph node.
c. spleen.
d. thymus.

Anna M.
Numerade Educator

Problem 8

Which of the following is an innate defense against pathogens?
$$\begin{array}{ll}{\text { a. skin }} & {\text { d. interferons }} \\ {\text { b. gastric juice }} & {\text { e. All of these are correct. }} \\ {\text { c. complement }}\end{array}$$

Bryan L.
Numerade Educator

Problem 9

Which cell is not a phagocyte?
$$
\begin{array}{ll}{\text { a. neutrophil }} & {\text { c. dendritic cell }} \\ {\text { b. lymphocyte }} & {\text { d. macrophage }}\end{array}
$$

Anna M.
Numerade Educator

Problem 10

Natural killer cells
a. are known for attacking large parasites, such as tapeworms.
b. engulf pathogens and present antigens to T cells.
c. recognize the absence of MHC-I molecules on a cell surface.
d. produce antibodies

Bryan L.
Numerade Educator

Problem 11

Complement
a. is an innate defense mechanism.
b. is involved in the inflammatory response.
c. is a series of proteins present in the plasma.
d. plays a role in destroying bacteria.
e. All of these are correct.

Anna M.
Numerade Educator

Problem 12

The clonal selection theory says that
a. an antigen selects certain B cells and suppresses them.
b. an antigen stimulates the multiplication of B cells that produce antibodies against it.
c. T cells select those B cells that should produce antibodies, regardless of the antigens present.
d. T cells suppress all B cells except the ones that should multiply and divide.
e. Both b and c are correct

Bryan L.
Numerade Educator

Problem 13

Plasma cells are
a. the same as memory cells.
b. formed from blood plasma.
c. B cells that are actively secreting antibody.
d. inactive T cells carried in the plasma

Anna M.
Numerade Educator

Problem 14

For questions 14–17, note the antibody class described (IgA, IgE, IgG, or IgM).
The major class of antibody found in the blood

Bryan L.
Numerade Educator

Problem 15

For questions 14–17, note the antibody class described (IgA, IgE, IgG, or IgM).
The first class of antibodies produced

Anna M.
Numerade Educator

Problem 16

For questions 14–17, note the antibody class described (IgA, IgE, IgG, or IgM).
The major class secreted in milk, tears, and saliva

Bryan L.
Numerade Educator

Problem 17

For questions 14–17, note the antibody class described (IgA, IgE, IgG, or IgM).
The class that is mostly bound to eosinophils and mast cells

Anna M.
Numerade Educator

Problem 18

Which of these statements pertain(s) to T cells?
a. They have specific receptors.
b. They recognize antigen presented by MHC proteins.
c. They are responsible for cell-mediated immunity.
d. They stimulate antibody production by B cells.
e. All of these are correct

Bryan L.
Numerade Educator

Problem 19

Active immunity can be produced by
a. having a disease.
b. receiving a vaccine.
c. receiving gamma globulin injections.
d. Both a and b are correct.
e. Both b and c are correct

Anna M.
Numerade Educator

Problem 20

A child with severe combined immunodeficiency will have low or absent amounts of
a. antibodies.
b. $B$ cells.
c. cell-mediated immunity.
d. T cells.
e. All of these are correct.

Bryan L.
Numerade Educator

Problem 21

Immediate hypersensitivity occurs after an allergen combines with
a. IgG antibodies.
b. IgE antibodies.
c. lgM antibodies.
d. IgA antibodies.

Anna M.
Numerade Educator

Problem 22

A positive skin test for tuberculosis is mediated mainly by
a. histamine.
b. IgE antibodies.
c. memory T cells.
d. neutrophils.

Bryan L.
Numerade Educator

Problem 23

Which condition is not an autoimmune disease?
a. multiple sclerosis
b. rheumatoid arthritis
c. systemic lupuserythematosis
d. transplant rejection

Anna M.
Numerade Educator