Deck 10: Microbiology

Question 1

Richard Julius Petri devised the cylindrical shallow dish with the clear cover that is used in microbiology laboratories today.

Answer 1

True

Question 2

Staphylococcal infections are from the bacteria groups which include toxic shock syndrome.

Answer 2

True

Question 3

The seroconversion rate is where the vaccine causes the development of immunity.

Answer 3

True

Question 4

The protozoa microorganisms are visible to the naked eye.

Question 5

A person can overreact to an antigen.

Question 6

Fever destroys most bacteria.

Question 7

Louis Pasteur discovered a method to prevent the occurrence of disease through creating vaccines.

Question 8

Anaerobic bacteria must have oxygen to grow and live.

Question 9

Periodontal disease is caused by protozoa and bacteria.

Question 10

Antibiotics are extremely useful in killing viruses.

Question 11

The single-celled organisms referred to as "animalcules" were discovered by Anton Von Leeuwenhoek.

Question 12

Pediculosis is the state of being infected with head lice.

Question 13

A Gram stain differentiates cells into two specific groups.

Question 14

The shape of bacteria is unique to the group of microorganisms.

Question 15

All health care providers should be immunized against hepatitis B.

Question 16

The Chlamydia microorganism is the cause of the most common sexually transmitted disease in the United States.

Question 17

Louis Pasteur was the first to find the great number of moving microorganisms through the microscope.

Question 18

The most common sign of tetanus is stiffness of the jaw.

Question 19

Yeasts can be killed with antibiotics.

Question 20

Humans can get Bacillus anthracis through airborne particles.

Question 21

Protozoa and bacteria microorganisms cause periodontal disease and are found in the inflamed tissue around the tooth.

Question 22

The group(s) of microorganisms that are of importance to dentistry is/are:
1) Bacteria
2) Protozoa
3) Viruses
4) Yeasts
5) Molds

A) 1, 2, 3, 4, 5
B) 4, 5
C) 1, 3
D) 1, 2, 3

Question 23

Pertussis is a disease that affects the ____________.

A) respiratory system
B) jaw
C) throat
D) none of the above

Question 24

The "father of microbiology" is ____________.

A) Louis Pasteur
B) Robert Koch
C) Anton Van Leeuwenhoek
D) none of the above

Question 25

Who proved that heat kills spores and bacteria?

A) Louis Pasteur
B) Robert Koch
C) Anton Van Leeuwenhoek
D) None of the above

Question 26

The type of bacteria that must have oxygen to live and grow is ____________.

A) facultative anaerobic
B) anaerobic
C) aerobic
D) none of the above

Question 27

Hepatitis is transmitted only by a virus.

Question 28

Another name for protozoa is ____________.

A) bacteria
B) amoeba
C) virus
D) mold

Question 29

Which of the following diseases are caused by bacteria?
1) Tetanus
2) Tuberculosis
3) Pneumonia
4) Strep throat

A) 1, 2, 3, 4
B) 1 only
C) 1, 2, 4
D) 4 only

Question 30

Streptococci bacteria are identified as bacteria growing in ____________.

A) grapelike bunches
B) chains
C) both a and b
D) neither a nor b

Question 31

Who proved that bacteria are the cause of some diseases?

A) Louis Pasteur
B) Robert Koch
C) Anton Van Leeuwenhoek
D) None of the above

Question 32

Disease-causing microorganisms are ____________.

A) pathogens
B) microbiology
C) antibodies
D) antigens

Question 33

Vibrio microorganisms are _______ shaped.

A) round
B) "S"
C) rod
D) curve

Question 34

Cocci microorganisms are _______ shaped.

A) round
B) "S"
C) rod
D) curve

Question 35

Bacteria will divide every ____ minutes if in warm, dark, and moist areas.

A) 5
B) 10
C) 15
D) 20

Question 36

Which of the following bacterial diseases may cause lockjaw?

A) Pertussis
B) Tetanus
C) Diphtheria
D) None of the above

Question 37

Malaria and sleeping sickness are two diseases caused by the protozoa microorganism.

Question 38

Spiral microorganisms are _______ shaped.

A) round
B) "S"
C) rod
D) curve

Question 39

Tuberculosis is spread to others by ____________.

A) saliva contact
B) coughing
C) cross-contamination by a dental procedure
D) all of the above

Question 40

Bacilli microorganisms are _______ shaped.

A) round
B) "S"
C) rod
D) curve

Question 41

Herpes simplex virus 1 affects the ____________.

A) lips and mouth
B) genital areas
C) both a and b
D) neither a nor b

Question 42

The common cold and flu are caused by a ____________.

A) virus
B) fungus
C) bacteria
D) rickettsia

Question 43

Herpes simplex virus 2 affects the ____________.

A) lips and mouth
B) genital areas
C) both a and b
D) neither a nor b

Question 44

Pathogens that stimulate the production of antibodies are called ____________.

A) antitoxin
B) immunity
C) purulence
D) antigens

Question 45

The type of immunity a person is born with is ____________.

A) acquired
B) passive acquired
C) artificial acquired
D) natural

Question 46

Thick, white, raised patches in the mouth could be ____________.

A) candidiasis
B) thrush mouth
C) neither a nor b
D) both a and b

Question 47

Which type of hepatitis is of most concern to the dental professional?

A) A
B) B
C) C
D) D

Question 48

The varicella-zoster virus is responsible for ____________.

A) chickenpox
B) measles
C) mumps
D) polio

Question 49

After people have had a disease, they develop what kind of immunity to that disease?

A) Acquired
B) Natural acquired
C) Artificial acquired
D) Natural

Question 50

The hepatitis B virus can live on a dry surface for up to ____________.

A) 2 days
B) 10 days
C) 14 days
D) 1 month

Question 51

Mumps is an infection of which salivary glands?

A) Submandibular
B) Sublingual
C) Parotid
D) None of the above

Question 52

AIDS is caused by contracting the virus ________.

A) CDC
B) HIV
C) HBV
D) Heptavax-B

Question 53

The smallest microorganism is the ____________.

A) virus
B) fungus
C) bacteria
D) rickettsia

Question 54

The type of hepatitis you may get by eating contaminated food is ______.

A) A
B) B
C) C
D) D

Question 55

Kaposi's sarcoma is usually found in patients who have contracted ____________.

A) measles
B) ringworm
C) hepatitis B
D) AIDS

Question 56

Ringworm is caused by a ____________.

A) virus
B) fungus
C) bacteria
D) rickettsia

Question 57

Dysentery is an infection you may get if you ____________.

A) drink after someone using the same glass
B) were sneezed on by an infected individual
C) punctured yourself with a used anesthetic syringe
D) drank water from a contaminated source

Question 58

A fetus obtains which type of immunity from the placenta?

A) Acquired
B) Passive acquired
C) Artificial acquired
D) Natural

Question 59

Which of the following diseases are caused by a virus?
1) Measles
2) Polio
3) Hepatitis B
4) Typhus
5) Chickenpox

A) 1, 2, 3, 4, 5
B) 4 only
C) 2, 3
D) 1, 2, 3, 5

Question 60

The signs of inflammation are:
1) Heat
2) Swelling
3) Pain
4) Redness

A) None of the above
B) 2, 3
C) 3 only
D) 1, 2, 3, 4

Question 61

A virus commonly transmitted through mosquito bites is ____________.

A) legionellosis
B) Epstein-Barr virus
C) West Nile virus
D) poliomyelitis

Question 62

_________, commonly called athlete's foot, is which of the following fungal diseases?

A) Candidiasis
B) Tinea pedis
C) Tinea corporis
D) Tinea unguium

Question 64

The route of transmission of a microorganism by breathing in the pathogen is ____________.

A) inhalation
B) indirect contact
C) puncture
D) none of the above

Question 65

MRSA is passed from one person to another by indirect contact with bodily fluids.

Question 66

Those at the highest risk of contracting Ebola are friends and family of the infected individual and the health care workers taking care of
the patient.

Question 67

The TSEs are rare microorganisms and are deadly due to the fact that they affect ____________.

A) mucous membrane
B) brain tissue
C) abscess in the liver
D) lymph node infections

Question 68

This group of fungal infections, Tinea unguium, is characterized as white patches of the ____________.

A) tongue
B) cheek
C) fingernail
D) lip

Question 69

The route of transmission of a microorganism by a contaminated instrument is ____________.

A) inhalation
B) indirect contact
C) direct contact
D) none of the above

Question 70

Creutzfeldt-Jakob disease affects individuals by showing which of the following symptoms?

A) Rapidly progressing dementia
B) Memory loss
C) Speech impairment
D) All of the above

Question 71

The symptoms of individuals affected by anthrax, a Gram-positive bacillus, include ____________.

A) symptoms occurring between 1 and 6 days
B) low-grade fever
C) weakness
D) dry, hacking cough
E) all of the above

Question 72

Chlamydia trachomatis is responsible for which of the following?

A) Various genital infections
B) Various eye infections
C) Various lymph node infections
D) None of the above
E) All of the above

Question 73

Creutzfeldt-Jakob disease typically affects which of the following age groups?

A) Childhood
B) 60 years
C) Infant
D) Teenage

Question 74

The route of transmission of a microorganism by touching the lesion is ____________.

A) inhalation
B) indirect contact
C) puncture
D) none of the above

Question 75

A slow-growing virus that may be suppressed or dormant for a period of time is called ____________.

A) etiologic agent
B) pathogen
C) latent
D) sporulating