Deck 5: Microbiology Basics

Question 1

Which word best characterizes Typhoid Mary?

A) immune
B) symptomatic
C) carrier
D) fomite

Answer 1

carrier

Question 2

Influenza is best described as a(n)

A) localized infection.
B) allergic reaction.
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C) bacterial infection.
D) systemic infection.

Answer 2

systemic infection.

Question 3

Which highly coiled microorganism resembles a corkscrew?

A) staphylococcus
B) streptococcus
C) bacillus
D) spirillum

Answer 3

spirillum

Question 4

An abscess is

A) an example of a systemic infection.
B) always viral in origin.
C) an example of a mycotic infection.
D) an example of a localized infection.

Question 5

Rickettsiae and chlamydiae are classified as

A) viruses.
B) bacteria.
C) arthropods.
D) bacilli.

Question 6

Which of the following is least descriptive of staphylococci?

A) grapelike arrangement
B) bacterial
C) Gram (+)
D) underlying cause of rheumatic fever

Question 7

Which of the following is defined as a disease-producing microorganism?

A) normal flora
B) pathogen
C) arthropod
D) parasite

Question 8

Rickettsiae are

A) classified as fungi.
B) viruses.
C) often carried by fleas,ticks,and body lice.
D) arthropod vectors.

Question 9

Which of the following are classified as Gram (+)and Gram (-)?

A) viruses
B) bacteria
C) fungi
D) yeast

Question 10

Cocci,bacilli,and curved rods are classified as

A) viruses.
B) pathogens.
C) bacteria.
D) parasites.

Question 11

Which of the following requires another living host for its continued existence?

A) arthropod
B) pathogen
C) parasite
D) bacterium

Question 12

Which of the following is called the "acid-fast" bacillus?

A) Staphylococcus aureus
B) Salmonella typhi
C) Mycobacterium tuberculosis
D) Clostridium tetani

Question 13

Streptococci and staphylococci are

A) viruses.
B) Gram (+)bacteria.
C) arthropods.
D) parasites.

Question 14

Which of the following is least descriptive of Treponema pallidum?

A) causes syphilis
B) classified as a bacterium
C) is most often spread by the fecal-oral route
D) is a spirochete

Question 15

Clostridium tetani and Clostridium difficile

A) are Gram (-)bacilli.
B) are anaerobic.
C) are always pathogenic.
D) cause the "tineas," such as athlete's foot and ringworm.

Question 16

Which of the following is least descriptive of Candida albicans?

A) causative organism of impetigo
B) fungal infection
C) yeast infection
D) antibiotic-induced superinfection

Question 17

Bacteria

A) include cocci,bacilli,and curved rods.
B) are not part of the normal flora of the intestines.
C) cause mycotic infections.
D) include mold and yeast.

Question 18

What is the significance of bacterial spore formation? The bacterium

A) becomes more sensitive to the effects of antibiotics.
B) becomes more resistant to harsh environmental conditions.
C) increases its reproductive activity.
D) permanently loses its ability to cause disease.

Question 19

Which of the following describes the signs and symptoms that develop in response to a pathogen?

A) syndrome
B) allergy
C) infection
D) immunity

Question 20

Tetanus,tuberculosis,and diphtheria are

A) staphylococcal infections.
B) caused by a spirochete.
C) localized infections.
D) bacterial infections.

Question 21

A helminth is a(n)

A) parasite.
B) arthropod.
C) worm.
D) bacterium.

Question 22

Biting flies,fleas,and ticks

A) most often cause systemic infections.
B) are best described as ectoparasites.
C) are classified as helminths.
D) cause mycotic infections.

Question 23

Infections such as athlete's foot and ringworm are referred to as

A) systemic.
B) mycotic.
C) parasitic.
D) bacterial.

Question 24

Which of the following is both a vector and an arthropod?

A) contaminated drinking glass
B) virus
C) worm
D) flea

Question 25

Rickettsiae require a living host for their survival and are therefore considered to be

A) pathogenic.
B) parasitic.
C) fungal.
D) communicable.

Question 26

The ova of these parasitic and pathogenic multicellular animals usually appear in the stool of the infected person.

A) worms
B) viruses
C) arthropods
D) spirochetes

Question 27

The "acid-fast bacillus" is

A) most often spread through droplet infection.
B) eradicated by a single dose of penicillin.
C) pathogenic only in humans.
D) most often diagnosed by a urine culture.

Question 28

Which of the following lives in the intestinal tract and lays its eggs in the perianal area,causing severe pruritus?

A) Clostridium tetani
B) pinworms
C) Salmonella typhi
D) Candida albicans

Question 29

Amebic dysentery and giardiasis are

A) mycotic infections.
B) caused by salmonella.
C) worm infestations.
D) caused by protozoan parasites.

Question 30

This disease is caused by a sporozoan carried by a mosquito.

A) typhoid fever
B) tetanus
C) malaria
D) Rocky Mountain spotted fever

Question 31

A fomite is a

A) worm.
B) parasite.
C) vector.
D) host.

Question 32

The tick associated with Rocky Mountain spotted fever is referred to as a(n)

A) arthropod vector.
B) causative organism.
C) spirochete.
D) fungus.

Question 33

Which of the following is most related to the "rusty nail" infection?

A) clostridium
B) mycotic
C) viral
D) parasitic

Question 34

This "bad air" disease is caused by a plasmodium.

A) measles
B) tinea
C) tetanus
D) malaria

Question 35

Tinea is most related to

A) ringworm.
B) tetanus.
C) systemic infection.
D) treatment with anthelmintics.

Question 36

Rocky Mountain spotted fever is most effectively treated with an

A) antiviral drug.
B) anthelmintic drug.
C) antibiotic drug.
D) antifungal drug.

Question 37

This group includes single-cell animal-like microbes such as amebas.

A) bacilli
B) arthropods
C) viruses
D) protozoa

Question 38

Ectoparasites are most likely to cause

A) itching and discomfort.
B) high fever.
C) paralysis.
D) loss of consciousness.

Question 39

With regard to infectious disease,arthropods most often act as

A) parasites.
B) causative organisms of disease.
C) vectors.
D) fomites.

Question 40

A mycotic infection is caused by a(n)

A) parasite.
B) bacterium.
C) fungus.
D) arthropod.

Question 41

Herpes varicella-zoster may lay dormant in the nerves for many years;when awakened in later life it causes

A) "the great pox."
B) shingles.
C) tinea capitis.
D) smallpox.

Question 42

MRSA

A) is generally responsive to penicillin.
B) refers to drug-resistant staphylococci.
C) refers to potent antibiotics that are used to treat resistant strains of staphylococci.
D) refers to drugs that eradicate pox viruses.

Question 43

Herpes varicella-zoster

A) is a fungus.
B) generally causes an antibiotic-induced superinfection.
C) causes chickenpox.
D) responds well to antibiotics.

Question 44

A pox infection

A) is always caused by Herpes varicella-zoster.
B) only occurs in humans.
C) is a skin lesion.
D) is communicable but never contagious.

Question 45

Typhoid Mary harbored the Salmonella pathogen in her

A) urine (kidneys).
B) respiratory secretions (lungs).
C) nasal secretions (nose).
D) bile (gallbladder).