Question 1

Most antigens are _____.

Accepted Answer

A) large and complex molecules 
B) polysaccharides 
C) are proteins with molecular weights less than 10,000 Da 
D) internal components of microbial cells 
A) large and complex molecules 
B) polysaccharides 
C) are proteins with molecular weights less than 10,000 Da 
D) internal components of microbial cells A

Question 2

The concentration of antibody needed to bind to and neutralize an antigen is called the:

Accepted Answer

A) tolerance 
B) toxicity 
C) titer 
D) antitoxin 
A) tolerance 
B) toxicity 
C) titer 
D) antitoxin C

Question 3

What is a substance that is recognized by the body as foreign and normally induces an immune response

Accepted Answer

A) Antibody 
B) Antigen 
C) Agglutinin 
D) Antitoxin 
A) Antibody 
B) Antigen 
C) Agglutinin 
D) Antitoxin B

Question 4

Adaptive immunity is _____.

Accepted Answer

A) the ability of a host to mount a defense against a specific inherited agent 
B) only acquired artificially 
C) only acquired naturally 
D) immunity obtained in some manner other than by heredity 
A) the ability of a host to mount a defense against a specific inherited agent 
B) only acquired artificially 
C) only acquired naturally 
D) immunity obtained in some manner other than by heredity

Question 5

Which of the following statements about immunization is false

Accepted Answer

A) Inadequate refrigeration decreases effectiveness of measles vaccine 
B) Recommended age for immunization in children varies for each vaccine 
C) Injection of gamma globulin can establish passive immunization 
D) Route of administration does not affect the vaccines's efficacy 
A) Inadequate refrigeration decreases effectiveness of measles vaccine 
B) Recommended age for immunization in children varies for each vaccine 
C) Injection of gamma globulin can establish passive immunization 
D) Route of administration does not affect the vaccines's efficacy

Question 6

A protein molecule produced in a host in response to an antigen which is capable of binding specifically to that antigen is a/an:

Accepted Answer

A) perforin 
B) antigen 
C) antibody 
D) cytokine 
A) perforin 
B) antigen 
C) antibody 
D) cytokine

Question 7

All of the following have correctly matched antibody class with their function except:

Accepted Answer

A) IgD - function largely unknown 
B) IgE - binds to mast cells and basophils 
C) IgM - plays a role in mediating allergies and asthma 
D) IgG - crosses placenta 
A) IgD - function largely unknown 
B) IgE - binds to mast cells and basophils 
C) IgM - plays a role in mediating allergies and asthma 
D) IgG - crosses placenta

Question 8

Which of the following pathogens is matched incorrectly with the immune response it elicits

Accepted Answer

A) Bacteria - antibodies 
B) Viruses - NK cells and Tc cells 
C) Fungi - IgA antibodies and cell mediated responses 
D) Protozoa - humoral responses including opsonization and phagocytosis 
A) Bacteria - antibodies 
B) Viruses - NK cells and Tc cells 
C) Fungi - IgA antibodies and cell mediated responses 
D) Protozoa - humoral responses including opsonization and phagocytosis

Question 9

Injection of a person with a vaccine that induces protective immunity in that individual is an example of what type of immunity

Accepted Answer

A) Active,natural 
B) Innate,natural 
C) Active,artificial 
D) Passive,natural 
A) Active,natural 
B) Innate,natural 
C) Active,artificial 
D) Passive,natural

Question 10

All of the following pertain to the role of activated helper T cells in cellular mediated immunity except:

Accepted Answer

A) differentiation into memory TC cells 
B) recognizes MHC with antigenic peptide on macrophages 
C) differentiation into TH1 cells 
D) differentiation into TH2 cells 
A) differentiation into memory TC cells 
B) recognizes MHC with antigenic peptide on macrophages 
C) differentiation into TH1 cells 
D) differentiation into TH2 cells

Question 11

A compromised host _____.

Accepted Answer

A) may have a poor diet 
B) may have an impairment in cell mediated immunity but not humoral immunity 
C) usually has increased resistance to infectious diseases 
D) two of these 
A) may have a poor diet 
B) may have an impairment in cell mediated immunity but not humoral immunity 
C) usually has increased resistance to infectious diseases 
D) two of these

Question 12

All of the following correctly describe the structure of an antibody molecule except:

Accepted Answer

A) two identical light chains 
B) heavy and light chains held together by disulfide bonds 
C) binds 2 antigens per molecule 
D) two Fc fragments and one Fab fragment 
A) two identical light chains 
B) heavy and light chains held together by disulfide bonds 
C) binds 2 antigens per molecule 
D) two Fc fragments and one Fab fragment

Question 13

Cells that are neither T nor B cells,but function to non-specifically kill cells infected by viruses are called:

Accepted Answer

A) natural killer cells 
B) phagocytic cells 
C) memory cells 
D) blood cells 
A) natural killer cells 
B) phagocytic cells 
C) memory cells 
D) blood cells

Question 14

Immunity that is mediated by T lymphocytes is called _____.

Accepted Answer

A) cell-mediated 
B) antibody-mediated 
C) innate acquired 
D) innate natural 
A) cell-mediated 
B) antibody-mediated 
C) innate acquired 
D) innate natural

Question 15

Both humoral and cellular immunity share the following attributes except:

Accepted Answer

A) distinguishes self from non-self 
B) specificity 
C) memory 
D) first-line of defense 
A) distinguishes self from non-self 
B) specificity 
C) memory 
D) first-line of defense

Question 16

All are hallmarks of an effective vaccine except:

Accepted Answer

A) safe and stable 
B) no adverse side effects 
C) sustained protection 
D) should generate antibodies but not T cells 
A) safe and stable 
B) no adverse side effects 
C) sustained protection 
D) should generate antibodies but not T cells

Question 17

The ability of the humoral response to produce a vast array of antibodies,each with uniqueness to a given antigen is responsible for the immune system,is called:

Accepted Answer

A) memory 
B) hyperimmune serum 
C) heterogeneity 
D) homogeneity 
A) memory 
B) hyperimmune serum 
C) heterogeneity 
D) homogeneity

Question 18

Mucosal immune system:

Accepted Answer

A) carries out immune responses in exactly the same manner as in the blood 
B) blocks bacterial replication but does not stimulate the adaptive immune system 
C) has IgE as its primary immunoglobulin on mucosal surfaces 
D) is the largest component of the immune system 
A) carries out immune responses in exactly the same manner as in the blood 
B) blocks bacterial replication but does not stimulate the adaptive immune system 
C) has IgE as its primary immunoglobulin on mucosal surfaces 
D) is the largest component of the immune system

Question 19

All of the following cells are types of T lymphocytes except:

Accepted Answer

A) cytotoxic 
B) delayed hypersensitivity 
C) helper 
D) plasma 
A) cytotoxic 
B) delayed hypersensitivity 
C) helper 
D) plasma

Question 20

All of the following are types of vaccines except:

Accepted Answer

A) killed whole bacteria 
B) purified active toxin 
C) toxoid 
D) live virus 
A) killed whole bacteria 
B) purified active toxin 
C) toxoid 
D) live virus

Exam 18: Basic Principles of Adaptive Immunity and Immunization

Most antigens are _____.

The concentration of antibody needed to bind to and neutralize an antigen is called the:

What is a substance that is recognized by the body as foreign and normally induces an immune response

Adaptive immunity is _____.

Which of the following statements about immunization is false

A protein molecule produced in a host in response to an antigen which is capable of binding specifically to that antigen is a/an:

All of the following have correctly matched antibody class with their function except:

Which of the following pathogens is matched incorrectly with the immune response it elicits

Injection of a person with a vaccine that induces protective immunity in that individual is an example of what type of immunity

All of the following pertain to the role of activated helper T cells in cellular mediated immunity except:

A compromised host _____.

All of the following correctly describe the structure of an antibody molecule except:

Cells that are neither T nor B cells,but function to non-specifically kill cells infected by viruses are called:

Immunity that is mediated by T lymphocytes is called _____.

Both humoral and cellular immunity share the following attributes except:

All are hallmarks of an effective vaccine except:

The ability of the humoral response to produce a vast array of antibodies,each with uniqueness to a given antigen is responsible for the immune system,is called:

Mucosal immune system:

All of the following cells are types of T lymphocytes except:

All of the following are types of vaccines except:

Scope and History of Microbiology

The Microbiome

Fundamentals of Chemistry

Microscopy and Staining

Characteristics of Prokaryotic and Eukaryotic Cells

Essential Concepts of Metabolism

Growth and Culturing of Bacteria

Microbial Genetics

Gene Transfer and Genetic Engineering

An Introduction to Taxonomy: The Bacteria

Viruses

Eukaryotic Microorganisms and Parasites

Sterilization and Disinfection

Antimicrobial Therapy

Host-Microbe Relationships and Disease Processes

Epidemiology and Nosocomial Infections

Innate Host Defenses

Immune Disorders

Diseases of the Skin and Eyes; Wounds and Bites

Urogenital and Sexually Transmitted Diseases

Diseases of the Respiratory System

Oral and Gastrointestinal Diseases

Cardiovascular, Lymphatic, and Systemic Diseases

Diseases of the Nervous System

Environmental Microbiology

Applied Microbiology

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