This document contains a quiz on microbiology with questions related to portals of entry, bacterial pathogens, viral pathogens, eukaryotic pathogens, and portals of exit. Each question is multiple choice with an explanation provided after the user selects an answer. The quiz is interactive and keeps score as the user progresses through the topics and questions.

1. Bradley W. Christian, McLennan Community College
© 2016 Pearson Education, Inc.
$200
$100
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
Chapter 5: Requirements for Infection
Portals of
Entry
Bacterial
Pathogens
Viral
Pathogens
Portals of
Exit
Eukaryotic
Pathogens
FINAL ROUND

2. © 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
BACK TO GAME

3. © 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.
BACK TO GAME

4. © 2016 Pearson Education, Inc.
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
BACK TO GAME

5. © 2016 Pearson Education, Inc.
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.
BACK TO GAME

6. © 2016 Pearson Education, Inc.
Topic 1: Portals of Entry
$300 Question
Which of the following is NOT an example of the
parenteral route of entry?
a. conjunctiva
b. surgery
c. injection
d. bite
ANSWER
BACK TO GAME

7. © 2016 Pearson Education, Inc.
Topic 1: Portals of Entry
$300 Answer
Which of the following is NOT an example of the
parenteral route of entry?
a. conjunctiva
b. surgery
c. injection
d. bite
BACK TO GAME

8. © 2016 Pearson Education, Inc.
Topic 1: Portals of Entry
$400 Question
What is the preferred portal of entry for
chlamydia?
a. genitourinary tract
b. gastrointestinal tract
c. skin
d. respiratory tract
ANSWER
BACK TO GAME

9. © 2016 Pearson Education, Inc.
Topic 1: Portals of Entry
$400 Answer
What is the preferred portal of entry for
chlamydia?
a. genitourinary tract
b. gastrointestinal tract
c. skin
d. respiratory tract
BACK TO GAME

10. © 2016 Pearson Education, Inc.
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
BACK TO GAME

11. © 2016 Pearson Education, Inc.
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.
BACK TO GAME

12. © 2016 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$100 Question
The outer portion of gram-negative cell walls
contain
a. exotoxins.
b. endotoxins.
c. siderophores.
d. exoenzymes.
ANSWER
BACK TO GAME

13. © 2016 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$100 Answer
The outer portion of gram-negative cell walls
contain
a. exotoxins.
b. endotoxins.
c. siderophores.
d. exoenzymes.
BACK TO GAME

14. © 2016 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$200 Question
What is the action of bacterial kinases?
a. to coagulate fibrinogen
b. to hydrolyze hyaluronic acid
c. to break down fibrin
d. to break down collagen
ANSWER
BACK TO GAME

15. © 2016 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$200 Answer
What is the action of bacterial kinases?
a. to coagulate fibrinogen
b. to hydrolyze hyaluronic acid
c. to break down fibrin
d. to break down collagen
BACK TO GAME

16. © 2016 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$300 Question
Exotoxins that attack liver cells are known as
a. leukotoxins.
b. cytotoxins.
c. hepatotoxins.
d. enterotoxins.
ANSWER
BACK TO GAME

17. © 2016 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$300 Answer
Exotoxins that attack liver cells are known as
a. leukotoxins.
b. cytotoxins.
c. hepatotoxins.
d. enterotoxins.
BACK TO GAME

18. © 2016 Pearson Education, Inc.
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
BACK TO GAME

19. © 2016 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$400 Answer
Proteins secreted by pathogens that bind iron are
known as
a. superantigens.
b. siderophores.
c. leukocidins.
d. hemolysins.
BACK TO GAME

20. © 2016 Pearson Education, Inc.
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
BACK TO GAME

21. © 2016 Pearson Education, Inc.
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.
BACK TO GAME

22. © 2016 Pearson Education, Inc.
Topic 3: Viral Pathogens
$100 Question
Which virus irreversibly stops mitosis?
a. human immunodeficiency virus (HIV)
b. herpes simplex virus
c. rabies virus
d. measles virus
ANSWER
BACK TO GAME

23. © 2016 Pearson Education, Inc.
Topic 3: Viral Pathogens
$100 Answer
Which virus irreversibly stops mitosis?
a. human immunodeficiency virus (HIV)
b. herpes simplex virus
c. rabies virus
d. measles virus
BACK TO GAME

24. © 2016 Pearson Education, Inc.
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
BACK TO GAME

25. © 2016 Pearson Education, Inc.
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.
BACK TO GAME

26. © 2016 Pearson Education, Inc.
Topic 3: Viral Pathogens
$300 Question
Which of the following refers to the visible effects
of a viral infection?
a. lysogenic conversion
b. lysogenic effects
c. cytopathic effects
d. cytopathic conversion
ANSWER
BACK TO GAME

27. © 2016 Pearson Education, Inc.
Topic 3: Viral Pathogens
$300 Answer
Which of the following refers to the visible effects
of a viral infection?
a. lysogenic conversion
b. lysogenic effects
c. cytopathic effects
d. cytopathic conversion
BACK TO GAME

28. © 2016 Pearson Education, Inc.
Topic 3: Viral Pathogens
$400 Question
What are the granules found in the cytoplasm or
nucleus of some virus-infected cells?
a. syncytia
b. endotoxins
c. lysosomes
d. inclusion bodies
ANSWER
BACK TO GAME

29. © 2016 Pearson Education, Inc.
Topic 3: Viral Pathogens
$400 Answer
What are the granules found in the cytoplasm or
nucleus of some virus-infected cells?
a. syncytia
b. endotoxins
c. lysosomes
d. inclusion bodies
BACK TO GAME

30. © 2016 Pearson Education, Inc.
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
BACK TO GAME

31. © 2016 Pearson Education, Inc.
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.
BACK TO GAME

32. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$100 Question
Which of the following is NOT a way fungi cause
disease?
a. by using antigenic variation
b. by producing toxins
c. by secreting protease
d. by provoking an allergic response
ANSWER
BACK TO GAME

33. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$100 Answer
Which of the following is NOT a way fungi cause
disease?
a. by using antigenic variation
b. by producing toxins
c. by secreting protease
d. by provoking an allergic response
BACK TO GAME

34. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$200 Question
What type of organism produces saxitoxin?
a. helminth
b. alga
c. fungus
d. plant
ANSWER
BACK TO GAME

35. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$200 Answer
What type of organism produces saxitoxin?
a. helminth
b. alga
c. fungus
d. plant
BACK TO GAME

36. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$300 Question
Which of the following toxins is an alkaloid that
can cause hallucinations resembling those
produced by LSD?
a. aflatoxin
b. ergot alkaloid
c. phalloidin
d. amanitin
ANSWER
BACK TO GAME

37. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$300 Answer
Which of the following toxins is an alkaloid that
can cause hallucinations resembling those
produced by LSD?
a. aflatoxin
b. ergot alkaloid
c. phalloidin
d. amanitin
BACK TO GAME

38. © 2016 Pearson Education, Inc.
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. Toxoplasma
b. Cryptosporidium
c. Trypanosoma
d. Plasmodium
ANSWER
BACK TO GAME

39. © 2016 Pearson Education, Inc.
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. Toxoplasma
b. Cryptosporidium
c. Trypanosoma
d. Plasmodium
BACK TO GAME

40. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$500 Question
What is the causative agent of elephantiasis?
a. Entamoeba histolytica
b. Candida albicans
c. Cryptococcus neoformans
d. Wuchereria bancrofti
ANSWER
BACK TO GAME

41. © 2016 Pearson Education, Inc.
Topic 4: Eukaryotic Pathogens
$500 Answer
What is the causative agent of elephantiasis?
a. Entamoeba histolytica
b. Candida albicans
c. Cryptococcus neoformans
d. Wuchereria bancrofti
BACK TO GAME

42. © 2016 Pearson Education, Inc.
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
BACK TO GAME

43. © 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.
BACK TO GAME

44. © 2016 Pearson Education, Inc.
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
BACK TO GAME

45. © 2016 Pearson Education, Inc.
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.
BACK TO GAME

46. © 2016 Pearson Education, Inc.
Topic 5: Portals of Exit
$300 Question
Pathogens that are discharged from the
respiratory tract can cause which of the following
diseases?
a. salmonella
b. whooping cough
c. poliomyelitis
d. tetanus
ANSWER
BACK TO GAME

47. © 2016 Pearson Education, Inc.
Topic 5: Portals of Exit
$300 Answer
Pathogens that are discharged from the
respiratory tract can cause which of the following
diseases?
a. salmonella
b. whooping cough
c. poliomyelitis
d. tetanus
BACK TO GAME

48. © 2016 Pearson Education, Inc.
Topic 5: Portals of Exit
$400 Question
Infections transmitted from the skin include
a. warts.
b. tularemia.
c. yellow fever.
d. plague.
ANSWER
BACK TO GAME

49. © 2016 Pearson Education, Inc.
Topic 5: Portals of Exit
$400 Answer
Infections transmitted from the skin include
a. warts.
b. tularemia.
c. yellow fever.
d. plague.
BACK TO GAME

50. © 2016 Pearson Education, Inc.
Topic 5: Portals of Exit
$500 Question
Which of the following diseases can be
transmitted by a biting insect?
a. shigellosis
b. mumps
c. tularemia
d. chickenpox
ANSWER
BACK TO GAME

51. © 2016 Pearson Education, Inc.
Topic 5: Portals of Exit
$500 Answer
Which of the following diseases can be
transmitted by a biting insect?
a. shigellosis
b. mumps
c. tularemia
d. chickenpox
BACK TO GAME

52. © 2016 Pearson Education, Inc.
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
BACK TO GAME

53. © 2016 Pearson Education, Inc.
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.
BACK TO GAME