Question 1

High levels of tryptase in the blood is indicative of

Accepted Answer

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. 
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. B

Question 2

Epinephrine

Accepted Answer

A)  inhibits the activity of lymphocytes. 
B)  reverses constriction of airways. 
C)  is an antihistamine. 
D)  causes desensitization. 
A)  inhibits the activity of lymphocytes. 
B)  reverses constriction of airways. 
C)  is an antihistamine. 
D)  causes desensitization. B

Question 3

The leukocyte histamine-release test (LHRT)measures the amount of histamine released from the patient's mast cells and eosinophils when exposed to a specific allergen.

Accepted Answer

A) True 
 B)False  False

Question 4

Once a mother has been sensitized to the Rh factor,

Accepted Answer

A)  all other Rh+ fetuses are at risk. 
B)  she can be given RhoGAM in future pregnancies to prevent hemolytic disease of the newborn. 
C)  she can never again have a low risk pregnancy. 
D)  only future Rh- fetuses are at risk. 
E)  None of the choices are correct. 
A)  all other Rh+ fetuses are at risk. 
B)  she can be given RhoGAM in future pregnancies to prevent hemolytic disease of the newborn. 
C)  she can never again have a low risk pregnancy. 
D)  only future Rh- fetuses are at risk. 
E)  None of the choices are correct.

Question 5

Which event occurs with the sensitizing dose of allergen?

Accepted Answer

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

Question 6

A systemic,sometimes fatal,reaction with airway obstruction and circulatory collapse is ______.

Accepted Answer

A)  atopic 
B)  delayed 
C)  systemic anaphylaxis 
D)  antibody-mediated 
E)  T-cell-mediated 
A)  atopic 
B)  delayed 
C)  systemic anaphylaxis 
D)  antibody-mediated 
E)  T-cell-mediated

Question 7

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

Accepted Answer

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

Question 8

Immunopathology is defined as

Accepted Answer

A)  the study of immunodeficiencies. 
B)  the study of AIDS. 
C)  the study of autoimmune diseases. 
D)  the study of immune imbalance, whether hyper- or hypoactivity. 
A)  the study of immunodeficiencies. 
B)  the study of AIDS. 
C)  the study of autoimmune diseases. 
D)  the study of immune imbalance, whether hyper- or hypoactivity.

Question 9

In the theory for allergic desensitization,which immunoglobulin blocks the allergen from binding with IgE?

Accepted Answer

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

Question 10

Any heightened immune response resulting in tissue damage is called a(n)______.

Accepted Answer

A)  immunodeficiency 
B)  desensitization 
C)  autoimmune disease 
D)  hypersensitivity 
E)  transfusion reaction 
A)  immunodeficiency 
B)  desensitization 
C)  autoimmune disease 
D)  hypersensitivity 
E)  transfusion reaction

Question 11

SCID is defined by a lack of functional B and T cells which eliminates protection by humoral and cell-mediated immunity.Which of the following is true?

Accepted Answer

A)  A genetic defect disrupts the development of the lymphocytic cell lines. 
B)  A genetic mutation renders the individual incapable of removing a toxic DNA metabolite from lymphocytes, which ultimately destroys them. 
C)  Genes coding for B and T cell receptors are mutated so the cells are incapable of binding antigens. 
D)  Genes that code for interleukin receptors are mutated so the individual's B and T cells do not receive the activation signals, rendering them useless. 
E)  All of the above describe cases of SCID. 
A)  A genetic defect disrupts the development of the lymphocytic cell lines. 
B)  A genetic mutation renders the individual incapable of removing a toxic DNA metabolite from lymphocytes, which ultimately destroys them. 
C)  Genes coding for B and T cell receptors are mutated so the cells are incapable of binding antigens. 
D)  Genes that code for interleukin receptors are mutated so the individual's B and T cells do not receive the activation signals, rendering them useless. 
E)  All of the above describe cases of SCID.

Question 12

A seasonal reaction to inhaled allergens is ______.

Accepted Answer

A)  eczema 
B)  asthma 
C)  atopic dermatitis 
D)  anaphylaxis 
E)  allergic rhinitis 
A)  eczema 
B)  asthma 
C)  atopic dermatitis 
D)  anaphylaxis 
E)  allergic rhinitis

Question 13

Which event represents the process of releasing chemical mediators?

Accepted Answer

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 
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

Question 14

An example of a secondary acquired immunodeficiency is

Accepted Answer

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

Question 15

Which of the following pairs is mismatched?

Accepted Answer

A)  Food allergy - type I hypersensitivity 
B)  Poison ivy dermatitis - type IV hypersensitivity 
C)  Transfusion reaction - type II hypersensitivity 
D)  Hay fever - type IV hypersensitivity 
E)  Serum sickness - type III hypersensitivity 
A)  Food allergy - type I hypersensitivity 
B)  Poison ivy dermatitis - type IV hypersensitivity 
C)  Transfusion reaction - type II hypersensitivity 
D)  Hay fever - type IV hypersensitivity 
E)  Serum sickness - type III hypersensitivity

Question 16

What will be the immediate action of an allergen when it enters the body for a second time?

Accepted Answer

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

Question 17

A second encounter with an allergen that causes a response is called the _____ dose.

Accepted Answer

A)  sensitizing 
B)  provocative 
C)  allergic 
D)  hypersensitivity 
E)  desensitizing 
A)  sensitizing 
B)  provocative 
C)  allergic 
D)  hypersensitivity 
E)  desensitizing

Question 18

All of the following are associated with IgE and mast-cell-mediated allergy except ______.

Accepted Answer

A)  allergic asthma 
B)  systemic lupus erythematosus 
C)  drug allergies 
D)  eczema 
E)  anaphylaxis 
A)  allergic asthma 
B)  systemic lupus erythematosus 
C)  drug allergies 
D)  eczema 
E)  anaphylaxis

Question 19

Atopy and anaphylaxis are hypersensitivities in the category(ies)

Accepted Answer

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. 
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.

Question 20

The potential for hemolytic disease of the newborn occurs when

Accepted Answer

A)  fetal Rh- cells enter an Rh+ mother. 
B)  fetal Rh+ cells enter an Rh+ mother. 
C)  maternal Rh+ cells enter an Rh- fetus. 
D)  fetal Rh+ cells enter an Rh- mother. 
E)  maternal Rh- cells enter an Rh+ fetus. 
A)  fetal Rh- cells enter an Rh+ mother. 
B)  fetal Rh+ cells enter an Rh+ mother. 
C)  maternal Rh+ cells enter an Rh- fetus. 
D)  fetal Rh+ cells enter an Rh- mother. 
E)  maternal Rh- cells enter an Rh+ fetus.

Exam 16: Disorders in Immunity

High levels of tryptase in the blood is indicative of

Epinephrine

The leukocyte histamine-release test (LHRT)measures the amount of histamine released from the patient's mast cells and eosinophils when exposed to a specific allergen.

Once a mother has been sensitized to the Rh factor,

Which event occurs with the sensitizing dose of allergen?

A systemic,sometimes fatal,reaction with airway obstruction and circulatory collapse is ______.

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

Immunopathology is defined as

In the theory for allergic desensitization,which immunoglobulin blocks the allergen from binding with IgE?

Any heightened immune response resulting in tissue damage is called a(n)______.

SCID is defined by a lack of functional B and T cells which eliminates protection by humoral and cell-mediated immunity.Which of the following is true?

A seasonal reaction to inhaled allergens is ______.

Which event represents the process of releasing chemical mediators?

An example of a secondary acquired immunodeficiency is

Which of the following pairs is mismatched?

What will be the immediate action of an allergen when it enters the body for a second time?

A second encounter with an allergen that causes a response is called the _____ dose.

All of the following are associated with IgE and mast-cell-mediated allergy except ______.

Atopy and anaphylaxis are hypersensitivities in the category(ies)

The potential for hemolytic disease of the newborn occurs when

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Host Defenses II: Specific Immunity and Immunization

Microbial Metabolism: The Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Microbe-Human Interactions: Health and Disease

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

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