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Bradley W. Christian, McLennan Community College© 2016 Pearson Education, Inc.
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Chapter 15: Microbial Mechanisms of Pathogenicity
Portals of Entry
Bacterial Pathogens
Viral Pathogens
Portals ofExit
Eukaryotic Pathogens
FINAL ROUND
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© 2016 Pearson Education, Inc.
Topic 1: Portals of Entry $100 Question
The easiest and MOST frequently traveled portal of entry for infectious microorganisms is the
a. parenteral route.b. respiratory tract.c. gastrointestinal tract.d. skin.
ANSWER
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© 2016 Pearson Education, Inc.
Topic 1: Portals of Entry $100 Answer
The easiest and MOST frequently traveled portal of entry for infectious microorganisms is the
a. parenteral route.b. respiratory tract.c. gastrointestinal tract.d. skin.
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Topic 1: Portals of Entry $200 Question
The degree of pathogenicity of an organism is known as the
a. antigenicity.b. toxigenicity.c. virulence.d. cytopathic effect.
ANSWER
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Topic 1: Portals of Entry $200 Answer
The degree of pathogenicity of an organism is known as the
a. antigenicity.b. toxigenicity.c. virulence.d. cytopathic effect.
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Topic 1: Portals of Entry $300 Question
Which of the following is NOT an example of the parenteral route of entry?
a. conjunctivab. surgeryc. injectiond. bite
ANSWER
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Topic 1: Portals of Entry $300 Answer
Which of the following is NOT an example of the parenteral route of entry?
a. conjunctivab. surgeryc. injectiond. bite
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Topic 1: Portals of Entry $400 Question
What is the preferred portal of entry for chlamydia?
a. genitourinary tractb. gastrointestinal tractc. skind. respiratory tract
ANSWER
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Topic 1: Portals of Entry $400 Answer
What is the preferred portal of entry for chlamydia?
a. genitourinary tractb. gastrointestinal tractc. skind. respiratory tract
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Topic 1: Portals of Entry $500 Question
Communities of microbes that cling to surfaces and share available nutrients are called
a. biofilms.b. fimbriae.c. ligands.d. superantigens.
ANSWER
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Topic 1: Portals of Entry $500 Answer
Communities of microbes that cling to surfaces and share available nutrients are called
a. biofilms.b. fimbriae.c. ligands.d. superantigens.
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Topic 2: Bacterial Pathogens $100 Question
The outer portion of gram-negative cell walls contain
a. exotoxins.b. endotoxins.c. siderophores.d. exoenzymes.
ANSWER
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Topic 2: Bacterial Pathogens $100 Answer
The outer portion of gram-negative cell walls contain
a. exotoxins.b. endotoxins.c. siderophores.d. exoenzymes.
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Topic 2: Bacterial Pathogens $200 Question
What is the action of bacterial kinases?
a. to coagulate fibrinogenb. to hydrolyze hyaluronic acidc. to break down fibrind. to break down collagen
ANSWER
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Topic 2: Bacterial Pathogens $200 Answer
What is the action of bacterial kinases?
a. to coagulate fibrinogenb. to hydrolyze hyaluronic acidc. to break down fibrind. to break down collagen
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Topic 2: Bacterial Pathogens $300 Question
Exotoxins that attack liver cells are known as
a. leukotoxins.b. cytotoxins.c. hepatotoxins.d. enterotoxins.
ANSWER
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Topic 2: Bacterial Pathogens $300 Answer
Exotoxins that attack liver cells are known as
a. leukotoxins.b. cytotoxins.c. hepatotoxins.d. enterotoxins.
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Topic 2: Bacterial Pathogens $400 Question
Proteins secreted by pathogens that bind iron are known as
a. superantigens.b. siderophores.c. leukocidins.d. hemolysins.
ANSWER
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Topic 2: Bacterial Pathogens $400 Answer
Proteins secreted by pathogens that bind iron are known as
a. superantigens.b. siderophores.c. leukocidins.d. hemolysins.
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Topic 2: Bacterial Pathogens $500 Question
Toxins produced by some gram-negative bacteria that damage DNA are called
a. streptolysins.b. genotoxins.c. A-B toxins.d. membrane-disrupting toxins.
ANSWER
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Topic 2: Bacterial Pathogens $500 Answer
Toxins produced by some gram-negative bacteria that damage DNA are called
a. streptolysins.b. genotoxins.c. A-B toxins.d. membrane-disrupting toxins.
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Topic 3: Viral Pathogens $100 Question
Which virus irreversibly stops mitosis?
a. human immunodeficiency virus (HIV)b. herpes simplex virusc. rabies virusd. measles virus
ANSWER
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Topic 3: Viral Pathogens $100 Answer
Which virus irreversibly stops mitosis?
a. human immunodeficiency virus (HIV)b. herpes simplex virusc. rabies virusd. measles virus
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Topic 3: Viral Pathogens $200 Question
Substances produced by virus-infected cells that protect neighboring uninfected cells from infection are called
a. interferons.b. inclusion bodies.c. immunoglobulins.d. leukocidins.
ANSWER
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Topic 3: Viral Pathogens $200 Answer
Substances produced by virus-infected cells that protect neighboring uninfected cells from infection are called
a. interferons.b. inclusion bodies.c. immunoglobulins.d. leukocidins.
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Topic 3: Viral Pathogens $300 Question
Which of the following refers to the visible effects of a viral infection?
a. lysogenic conversionb. lysogenic effectsc. cytopathic effectsd. cytopathic conversion
ANSWER
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Topic 3: Viral Pathogens $300 Answer
Which of the following refers to the visible effects of a viral infection?
a. lysogenic conversionb. lysogenic effectsc. cytopathic effectsd. cytopathic conversion
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Topic 3: Viral Pathogens $400 Question
What are the granules found in the cytoplasm or nucleus of some virus-infected cells?
a. syncytiab. endotoxinsc. lysosomesd. inclusion bodies
ANSWER
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Topic 3: Viral Pathogens $400 Answer
What are the granules found in the cytoplasm or nucleus of some virus-infected cells?
a. syncytiab. endotoxinsc. lysosomesd. inclusion bodies
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Topic 3: Viral Pathogens $500 Question
Viruses that transform cells by causing loss of contact inhibition result in
a. the formation of a syncytium.b. chromosomal breakage.c. unregulated cell growth.d. antigenic changes on the host cell.
ANSWER
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Topic 3: Viral Pathogens $500 Answer
Viruses that transform cells by causing loss of contact inhibition result in
a. the formation of a syncytium.b. chromosomal breakage.c. unregulated cell growth.d. antigenic changes on the host cell.
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Topic 4: Eukaryotic Pathogens $100 Question
Which of the following is NOT a way fungi cause disease?
a. by using antigenic variationb. by producing toxinsc. by secreting proteased. by provoking an allergic response
ANSWER
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Topic 4: Eukaryotic Pathogens $100 Answer
Which of the following is NOT a way fungi cause disease?
a. by using antigenic variationb. by producing toxinsc. by secreting proteased. by provoking an allergic response
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Topic 4: Eukaryotic Pathogens $200 Question
What type of organism produces saxitoxin?
a. helminthb. algac. fungusd. plant
ANSWER
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Topic 4: Eukaryotic Pathogens $200 Answer
What type of organism produces saxitoxin?
a. helminthb. algac. fungusd. plant
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Topic 4: Eukaryotic Pathogens $300 Question
Which of the following toxins is an alkaloid that can cause hallucinations resembling those produced by LSD?
a. aflatoxinb. ergot alkaloidc. phalloidind. amanitin
ANSWER
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Topic 4: Eukaryotic Pathogens $300 Answer
Which of the following toxins is an alkaloid that can cause hallucinations resembling those produced by LSD?
a. aflatoxinb. ergot alkaloidc. phalloidind. amanitin
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Topic 4: Eukaryotic Pathogens $400 Question
Which of the following protozoa use antigenic variation to stay one step ahead of the host's immune system?
a. Toxoplasmab. Cryptosporidiumc. Trypanosomad. Plasmodium
ANSWER
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Topic 4: Eukaryotic Pathogens $400 Answer
Which of the following protozoa use antigenic variation to stay one step ahead of the host's immune system?
a. Toxoplasmab. Cryptosporidiumc. Trypanosomad. Plasmodium
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Topic 4: Eukaryotic Pathogens $500 Question
What is the causative agent of elephantiasis?
a. Entamoeba histolyticab. Candida albicansc. Cryptococcus neoformansd. Wuchereria bancrofti
ANSWER
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Topic 4: Eukaryotic Pathogens $500 Answer
What is the causative agent of elephantiasis?
a. Entamoeba histolyticab. Candida albicansc. Cryptococcus neoformansd. Wuchereria bancrofti
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Topic 5: Portals of Exit $100 Question
Arthropods provide a portal of exit for microbes via the
a. skin.b. blood.c. respiratory tract.d. genitourinary tract.
ANSWER
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© 2016 Pearson Education, Inc.
Topic 5: Portals of Exit $100 Answer
Arthropods provide a portal of exit for microbes via the
a. skin.b. blood.c. respiratory tract.d. genitourinary tract.
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Topic 5: Portals of Exit $200 Question
Sneezing is a portal of exit for the
a. gastrointestinal tract.b. respiratory tract.c. blood.d. genitourinary tract.
ANSWER
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Topic 5: Portals of Exit $200 Answer
Sneezing is a portal of exit for the
a. gastrointestinal tract.b. respiratory tract.c. blood.d. genitourinary tract.
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Topic 5: Portals of Exit $300 Question
Pathogens that are discharged from the respiratory tract can cause which of the following diseases?
a. salmonellab. whooping coughc. poliomyelitisd. tetanus
ANSWER
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Topic 5: Portals of Exit $300 Answer
Pathogens that are discharged from the respiratory tract can cause which of the following diseases?
a. salmonellab. whooping coughc. poliomyelitisd. tetanus
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Topic 5: Portals of Exit $400 Question
Infections transmitted from the skin include
a. warts.b. tularemia.c. yellow fever.d. plague.
ANSWER
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Topic 5: Portals of Exit $400 Answer
Infections transmitted from the skin include
a. warts.b. tularemia.c. yellow fever.d. plague.
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Topic 5: Portals of Exit $500 Question
Which of the following diseases can be transmitted by a biting insect?
a. shigellosisb. mumpsc. tularemiad. chickenpox
ANSWER
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Topic 5: Portals of Exit $500 Answer
Which of the following diseases can be transmitted by a biting insect?
a. shigellosisb. mumpsc. tularemiad. chickenpox
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FINAL ROUND Question
Septic shock can result from using antibiotics to treat
a. gram-negative bacterial infections.b. fungal infections.c. viral infections.d. protozoan infections.
ANSWER
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FINAL ROUND Answer
Septic shock can result from using antibiotics to treat
a. gram-negative bacterial infections.b. fungal infections.c. viral infections.d. protozoan infections.
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