Question 1

AIDS produces a striking decrease in the number of which cells?

Accepted Answer

A)  Macrophages 
B)  CD8+ T cells 
C)  CD4+ Th cells 
D)  Memory T cells 
A)  Macrophages 
B)  CD8+ T cells 
C)  CD4+ Th cells 
D)  Memory T cells

Question 2

Some bacterial surface proteins bind with the crystalline fragment (Fc)portion of an antibody to:

Accepted Answer

A)  Hide in cells to avoid triggering an immune response 
B)  Form self-protecting toxins 
C)  Make staining possible for microscopic observation 
D)  Produce a protective "self" protein 
A)  Hide in cells to avoid triggering an immune response 
B)  Form self-protecting toxins 
C)  Make staining possible for microscopic observation 
D)  Produce a protective "self" protein

Question 3

What is the first stage in the infectious process?

Accepted Answer

A)  Invasion 
B)  Colonization 
C)  Spread 
D)  Multiplication 
A)  Invasion 
B)  Colonization 
C)  Spread 
D)  Multiplication

Question 4

After sexual transmission of HIV,a person can be infected yet seronegative for how many months?

Accepted Answer

A)  1 to 2 
B)  6 to 14 
C)  18 to 20 
D)  24 to 36 
A)  1 to 2 
B)  6 to 14 
C)  18 to 20 
D)  24 to 36

Question 5

Complications of AIDS include: (Select all that apply.)

Accepted Answer

A)  Kaposi sarcoma 
B)  Helicobacter pylori 
C)  Cytomegalovirus retinitis 
D)  Herpes simplex infection 
E)  Legionella pneumophila 
A)  Kaposi sarcoma 
B)  Helicobacter pylori 
C)  Cytomegalovirus retinitis 
D)  Herpes simplex infection 
E)  Legionella pneumophila

Question 6

Match each term with its definition.
-Ability of an agent to produce disease

Accepted Answer

A) Toxigenicity 
B) Infectivity 
C) Pathogenicity 
D) Virulence 
A) Toxigenicity 
B) Infectivity 
C) Pathogenicity 
D) Virulence

Question 7

Match each term with its definition.
-An important factor in determining a pathogen's ability to produce disease by the production of a soluble toxin

Accepted Answer

A) Toxigenicity 
B) Infectivity 
C) Pathogenicity 
D) Virulence 
A) Toxigenicity 
B) Infectivity 
C) Pathogenicity 
D) Virulence

Question 8

Phagocytosis involves neutrophils actively attacking,engulfing,and destroying which microorganisms?

Accepted Answer

A)  Bacteria 
B)  Fungi 
C)  Viruses 
D)  Yeasts 
A)  Bacteria 
B)  Fungi 
C)  Viruses 
D)  Yeasts

Question 9

Match each term with its definition.
-Capacity of a pathogen to cause severe disease

Accepted Answer

A) Toxigenicity 
B) Infectivity 
C) Pathogenicity 
D) Virulence 
A) Toxigenicity 
B) Infectivity 
C) Pathogenicity 
D) Virulence

Question 10

Which disease is an example of a rickettsial infection?

Accepted Answer

A)  Cholera 
B)  Candida 
C)  Sleeping sickness 
D)  Rocky Mountain spotted fever 
A)  Cholera 
B)  Candida 
C)  Sleeping sickness 
D)  Rocky Mountain spotted fever

Question 11

Vaccines against viruses are created from:

Accepted Answer

A)  Killed organisms or extracts of antigens 
B)  Live organisms weakened to produce antigens 
C)  Purified toxins that have been chemically detoxified 
D)  Recombinant pathogenic protein 
A)  Killed organisms or extracts of antigens 
B)  Live organisms weakened to produce antigens 
C)  Purified toxins that have been chemically detoxified 
D)  Recombinant pathogenic protein

Question 12

Toxigenicity is defined as the:

Accepted Answer

A)  Ability of the pathogen to invade and multiply in the host 
B)  Pathogen's ability to produce disease by the production of a soluble toxin 
C)  Ability of an agent to produce disease 
D)  Potency of a pathogen measured in terms of the number of microorganisms required to kill the host 
A)  Ability of the pathogen to invade and multiply in the host 
B)  Pathogen's ability to produce disease by the production of a soluble toxin 
C)  Ability of an agent to produce disease 
D)  Potency of a pathogen measured in terms of the number of microorganisms required to kill the host

Question 13

What is the final stage of the infectious process?

Accepted Answer

A)  Colonization 
B)  Invasion 
C)  Multiplication 
D)  Spread 
A)  Colonization 
B)  Invasion 
C)  Multiplication 
D)  Spread

Question 14

Which statements are true regarding viruses? (Select all that apply.)

Accepted Answer

A)  Viruses are very complex microorganisms. 
B)  Viruses are referred to as eukaryotes. 
C)  Viruses are capable of producing messenger RNA (mRN
A) . 
D)  Viruses penetrate plasma membranes via endocytosis. 
E)  Viruses are capable of uncoating cytoplasmic nucleocapsid. 
A)  Viruses are very complex microorganisms. 
B)  Viruses are referred to as eukaryotes. 
C)  Viruses are capable of producing messenger RNA (mRN
A) . 
D)  Viruses penetrate plasma membranes via endocytosis. 
E)  Viruses are capable of uncoating cytoplasmic nucleocapsid.

Question 15

Which statement about vaccines is true?

Accepted Answer

A)  Most bacterial vaccines contain attenuated organisms. 
B)  Most viral vaccines are made by using dead organisms. 
C)  Vaccines require booster injections to maintain life-long protection. 
D)  Vaccines provide effective protection against most infections. 
A)  Most bacterial vaccines contain attenuated organisms. 
B)  Most viral vaccines are made by using dead organisms. 
C)  Vaccines require booster injections to maintain life-long protection. 
D)  Vaccines provide effective protection against most infections.

Exam 10: Infection

AIDS produces a striking decrease in the number of which cells?

Some bacterial surface proteins bind with the crystalline fragment (Fc)portion of an antibody to:

What is the first stage in the infectious process?

After sexual transmission of HIV,a person can be infected yet seronegative for how many months?

Complications of AIDS include: (Select all that apply.)

Match each term with its definition. -Ability of an agent to produce disease

Match each term with its definition. -An important factor in determining a pathogen's ability to produce disease by the production of a soluble toxin

Phagocytosis involves neutrophils actively attacking,engulfing,and destroying which microorganisms?

Match each term with its definition. -Capacity of a pathogen to cause severe disease

Which disease is an example of a rickettsial infection?

Vaccines against viruses are created from:

Toxigenicity is defined as the:

What is the final stage of the infectious process?

Which statements are true regarding viruses? (Select all that apply.)

Which statement about vaccines is true?

Cellular Biology

Altered Cellular and Tissue Biology

The Cellular Environment: Fluids and Electrolytes, Acids and Bases

Genes and Genetic Diseases

Genes, Environment-Lifestyle, and Common Diseases

Epigenetics and Disease

Innate Immunity: Inflammation

Adaptive Immunity

Alterations in Immunity and Inflammation

Stress and Disease

Cancer Biology

Cancer Epidemiology

Cancer in Children

Structure and Function of the Neurologic System

Pain, Temperature Regulation, Sleep, and Sensory Function

Alterations in Cognitive Systems,Cerebral Hemodynamics,and Motor Function

Disorders of the Central and Peripheral Nervous Systems and the Neuromuscular Junction

Neurobiology of Schizophrenia, Mood Disorders, and Anxiety Disorders

Alterations of Neurologic Function in Children

Mechanisms of Hormonal Regulation

Alterations of Hormonal Regulation

Structure and Function of the Reproductive Systems

Alterations of the Female Reproductive System

Alterations of the Male Reproductive System

Sexually Transmitted Infections

Structure and Function of the Hematologic System

Alterations of Erythrocyte Function

Alterations of Leukocyte, Lymphoid, and Hemostatic Function

Alterations of Hematologic Function in Children

Structure and Function of the Cardiovascular and Lymphatic Systems

Alterations of Cardiovascular Function

Alterations of Cardiovascular Function in Children

Structure and Function of the Pulmonary System

Alterations of Pulmonary Function

Alterations of Pulmonary Function in Children

Structure and Function of the Renal and Urologic Systems

Alterations of Renal and Urinary Tract Function

Alterations of Renal and Urinary Tract Function in Children

Structure and Function of the Digestive System

Alterations of Digestive Function

Alterations of Digestive Function in Children

Structure and Function of the Musculoskeletal System

Alterations of Musculoskeletal Function

Alterations of Musculoskeletal Function in Children

Structure, Function, and Disorders of the Integument

Alterations of the Integument in Children

Shock, Multiple Organ Dysfunction Syndrome, and Burns in Adults

Shock, Multiple Organ Dysfunction Syndrome, and Burns in Children

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