Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
35 Cards in this Set
- Front
- Back
|
Respiratory impairment during systemic anaphylaxis is PRIMARILY due to
arteriole dilation. reduced blood pressure. increased capillary permeability. circulatory shock. smooth muscle contraction in the bronchioles. |
smooth muscle contraction in the bronchioles
|
|
|
Cytokines attract which of the following to the affected tissue?
Lymphocytes Macrophages Basophils All of the above None of the above |
All of the above
|
|
|
A "foreign" molecule which can invoke the immune response is called a(n)
immunoglobulin. colony-stimulating factor. hapten. antigen. antibody. |
antigen.
|
|
|
This type of antibody binds to mast cells and basophils, thus invoking inflammation. They are secreted by plasma cells of the mucosae
IgM IgA IgG IgE IgD |
IgE
|
|
|
Which cells stimulate both arms of the immune response? Without these cells there is no immune response.
Complement cells Basophils Helper T-cells Plasma cells Killer T-cells |
Helper T-cells
|
|
|
Which of the following is the hallmark of the humoral immune response?
Phagocytosis Cell lysis by T cells Interferon production Binding of antibody to the antigen. Antigen presentation |
Binding of antibody to the antigen
|
|
|
All of the following are examples of characteristics of adaptive defenses EXCEPT
they are specific. They are usually initiated in a lymph node. they are systemic. they have memory. we are born with them. |
we are born with them.
|
|
|
All of the following are examples of autoimmune disorders EXCEPT
systemic lupus erythematosus (SLE) Grave's disease. rheumatoid arthritis. sickle cell anemia. Myasthenia gravis |
sickle cell anemia
|
|
|
The process that begins when a helper T-cell binds to an MHC class II protein on a displaying cell is known as
antigen proliferation. costimulation. T-cell proliferation. self antigen recognition |
costimulation.
|
|
|
Which of the following is NOT one of the cardinal signs of inflammation?
Opsonization Heat Pain Swelling Redness |
Opsonization
|
|
|
Which cells of the innate immune response are responsible for detecting and destroying parasites?
Mast cells Neutrophils Eosinophils Natural killer cells |
Natural killer cells
|
|
|
Which of the following is NOT a surface barrier to pathogen influx?
Complement cascade Skin secretions Saliva and tears Mucous membranes |
Complement cascade
|
|
|
Which type of molecule is produced by viral-infected cells to communicate to non-infected cells of the presence of a virus?
Complement Interleukin Pyrogen Interferon Antigen |
Interferon
|
|
|
When a localized area exhibits increased capillary filtration, hyperemia, and swelling, this is an indication that
fever is developing. inflammation is occurring. antigens are present. antibodies are phagocytizing target cells. an immune response is underway |
inflammation is occurring.
|
|
|
Which of the following is a nonspecific barrier defense?
Natural killer cells Macrophages Antibodies Complements Mucous membranes |
Mucous membranes
|
|
|
Which cells of the innate immune response are responsible for detecting and destroying parasites?
Mast cells Eosinophils Neutrophils Natural killer cells |
Eosinophils
|
|
|
Which cell does NOT have a direct role in phagocytosis?
Kupffer cell Macrophage Neutrophil Basophil Eosinophil |
Basophil
|
|
|
Which of the following actually kills invading microbes?
lysozymes stomach acid intestinal enzymes all of the above |
all of the above
|
|
|
The inflammatory response includes all of the following except
vessel constriction temperature increase increased blood flow phagocyte attack |
vessel constriction
|
|
|
The secretion of antibodies by lymphocyte B cells provides
A) cell-mediated immunity B) passive immunity C) humoral immunity D) permanent immunity |
humoral immunity
|
|
|
The immunoglobulin found in a mother's milk is
A) IgM B) IgA C) IgE D) IgG |
IgA
|
|
|
Which of the following are autoimmune diseases
A) heart disease B) Hashimoto's thyroiditis C) erythroblastosis fetalis D) systemic lupus erythematosus E) both b and d |
both b and d
|
|
|
The proteins secreted by plasma cells are called
A) MHC B) complement C) antigens D) cytokines E) antibodies |
antibodies
|
|
|
Precursors of macrophages are called
A) T cells B) killer cells C) B cells D) plasma cells E) monocytes |
monocytes
|
|
|
The immune response is terminated or decreased by
A) suppressor B cells B) suppressor T cells C) both of the above D) none of the above; the immune response can only be stimulated, not terminated |
suppressor T cells
|
|
|
Which type of T cell lyses cells that have been infected with viruses?
A) inducer T cells B) helper T cells C) cytotoxic T cells D) suppressor T cells E) none of the above |
cytotoxic T cells
|
|
|
All of the following cells are phagocytic except for
A) basophils B) neutrophils C) lymphocytes D) eosinophils E) all of the above are phagocytic |
lymphocytes
|
|
|
What holds together the four polypeptide chains of an antibody?
A) disulfide bonds B) light chains C) heavy chains D) complement proteins E) MHC proteins |
disulfide bonds
|
|
|
Of the five classes of antibody heavy chains, which one's function is still partially unclear?
A) IgE B) IgM C) IgG D) IgA E) IgD |
IgD
|
|
|
Which of the following cells participate in nonspecific defense responses when your body is invaded by microbes?
A) natural killer cells B) macrophages C) neutrophils D) all of the above E) none of the above |
all of the above
|
|
|
Cytotoxic T cells are called into action by the:
A) presence of interleukin-1 B) presence of interleukin-2 C) presence of neutrophils D) decrease in the number of B cells E) decrease in the number of antibodies |
presence of interleukin-2
|
|
|
Complement and antibody are similar in that both:
A) are produced by mast cells. B) may make bacteria more attractive to phagocytes. C) have two identical antigen-binding sites. D) are activated in an inflammatory cascade |
may make bacteria more attractive to phagocytes.
|
|
|
Hypersensitivity reactions:
A) are sometimes mediated by IgE. B) may involve immune complexes. C) may involve complement, histamine, neutrophils or IgG. D) all of the above |
all of the above.
|
|
|
Which cell is correctly matched with its secretion or function?
A) T-lymphocyte -- IL-1 B) mast cells -- histamine C) macrophage -- IgA D) eosinophil -- clotting |
mast cells -- histamine
|
|
|
All of the following are part of our antigen specific defense mechanisms except:
A) acute inflammation. B) lymphocytes. C) antibody production. D) macrophages. |
acute inflammation
|
