Filters
Question type

Study Flashcards

The most common immunoglobulin deficiency is an IgG deficiency.

A) True
B) False

Correct Answer

verifed

verified

Allergic rhinitis is also known as asthma.

A) True
B) False

Correct Answer

verifed

verified

The major category(ies) of hypersensitivity(ies) that typically involve(s) a B-cell immunoglobulin response include(s)


A) type I only.
B) type I and type IV.
C) type IV only.
D) type I, type II, and type III.
E) type I, type II, type III, and type IV.

F) A) and B)
G) None of the above

Correct Answer

verifed

verified

DiGeorge syndrome is the result of


A) autoantibodies.
B) a genetic defect in the development of both T cells and B cells.
C) delayed hypersensitivity.
D) congenital absence or immaturity of the thymus gland.
E) failure of B-cell development and maturity.

F) C) and E)
G) A) and D)

Correct Answer

verifed

verified

High levels of tryptase in the blood is indicative of


A) a viral and/or fungal infection.
B) high levels of degranulating mast cells suggesting an allergic reaction.
C) overuse of dietary supplements.
D) a bacterial infection.

E) A) and D)
F) A) and B)

Correct Answer

verifed

verified

A xenograft is graft tissue from a donor of one species transplanted to a recipient of another species.

A) True
B) False

Correct Answer

verifed

verified

Which event represents the process of releasing chemical mediators?


A)
Histamine acting on smooth muscle
B) Binding of IgE by the Fc region to mast cells and basophils
C)
Prostaglandins causing vasodilation and increased vascular permeability
D) Binding of allergen to adjacent IgE binding sites on mast cells and basophils
E) Degranulation

F) B) and D)
G) A) and E)

Correct Answer

verifed

verified

Place these events in the pathogenesis of contact dermatitis in order, with 1 being the first step. ----Sensitized T lymphocytes recognize the antigen and make cytokine chemicals. ----Cytokine chemicals attract macrophages, dendritic cells, and cytotoxic T lymphocytes to the site of the antigen. ----Chemicals are released from phagocytic cells and cytotoxic T cells, resulting in host tissue damage. ----A chemical is absorbed through the skin. ----The antigen is identified by a dendritic cell.

Correct Answer

verifed

verified

3 Sensitized T lymphocytes recognize the...

View Answer

An example of a secondary acquired immunodeficiency is


A) AIDS.
B) adenosine deaminase (ADA) deficiency.
C) DiGeorge syndrome.
D) agammaglobulinemia.
E) SCID.

F) C) and D)
G) All of the above

Correct Answer

verifed

verified

Systemic anaphylaxis can quickly result in airway blockage, shock, and death.

A) True
B) False

Correct Answer

verifed

verified

All of the following are involved in type II hypersensitivity except ______.


A) IgM
B) complement
C) foreign cells
D) IgE
E) IgG

F) B) and D)
G) B) and C)

Correct Answer

verifed

verified

In multiple sclerosis, autoantibodies attack


A) sodium pump proteins in the cell membrane.
B) acetylcholine receptors on skeletal muscle.
C) acetylcholine receptors on smooth muscle.
D) cells in thyroid follicles.
E) myelin sheath cells of the nervous system.

F) A) and B)
G) D) and E)

Correct Answer

verifed

verified

A person who is Rh- will have anti-Rh antibodies in his/her serum from early infancy.

A) True
B) False

Correct Answer

verifed

verified

Allergic patients receiving small, controlled injections of specific allergens are undergoing ______.


A) sensitization
B) desensitization
C) degranulation
D) tissue matching

E) A) and B)
F) B) and C)

Correct Answer

verifed

verified

All of the following can result in acquired immune deficiency except ______.


A) enzyme deficiency
B) stress
C) malnutrition
D) radiation treatment
E) bacterial infection

F) B) and D)
G) B) and E)

Correct Answer

verifed

verified

An antihistamine will


A) bind to histamine receptors on target organs.
B) reverse spasms of respiratory smooth muscles.
C) block synthesis of leukotrienes.
D) inhibit the activity of lymphocytes.

E) None of the above
F) A) and C)

Correct Answer

verifed

verified

Contact dermatitis involves


A) a sensitizing and provocative dose.
B) an allergen entering the skin.
C) T lymphocytes secreting inflammatory cytokines.
D) the production of itchy papules and blisters.
E) All of the choices are correct.

F) B) and E)
G) C) and D)

Correct Answer

verifed

verified

Human blood types involve all of the following except


A) MHC genes.
B) inheritance of two of three possible alleles.
C) ABO antigen markers.
D) genes that code for an enzyme that adds a terminal carbohydrate to RBC receptors.
E) genetically determined glycoprotein markers.

F) D) and E)
G) B) and D)

Correct Answer

verifed

verified

Allergic reactions to penicillins are considered a(n) _____ hypersensitivity.


A) T-cell-mediated
B) antibody-mediated
C) immune complex-mediated
D) immediate
E) Both T-cell-mediated and antibody-mediated are correct.

F) B) and C)
G) C) and D)

Correct Answer

verifed

verified

A female who is Rh-


A) can never have an Rh+ baby.
B) is at risk for a pregnancy resulting in hemolytic disease of the newborn.
C) inherited two dominant genes.
D) is in the majority of the population with regard to Rh status.

E) A) and C)
F) A) and B)

Correct Answer

verifed

verified

Showing 41 - 60 of 83

Related Exams

Show Answer