wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Principles of Infection Control Quiz

Total questions: 70

Worksheet time: 18hrs 30mins

Name
Class
Date
1.

What is the term for microorganisms that do not cause disease?

a)

Fungi

b)

Viruses

c)

Nonpathogens

d)

Pathogens

2.

Which microorganism is part of the natural flora of the large intestine but can cause infection in the urinary system?

a)

Rickettsiae

b)

Escherichia coli

c)

Staphylococcus aureus

d)

Streptococcus pyogenes

3.

What type of environment do most microorganisms prefer for growth?

a)

Warm and dark

b)

Cold and bright

c)

Cold and dry

d)

Bright and moist

4.

Which type of microorganism requires oxygen to live?

a)

Helminths

b)

Anaerobic organisms

c)

Viruses

d)

Aerobic organisms

5.

What are the thread-like projections that allow bacilli to move called?

a)

Cilia

b)

Tails

c)

Flagella

d)

Spores

6.

Which microorganism is responsible for causing malaria?

a)

Protozoa

b)

Fungi

c)

Viruses

d)

Bacteria

7.

What is the smallest type of microorganism?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protozoa

8.

Which microorganism is commonly found in fleas, lice, ticks, and mites?

a)

Fungi

b)

Protozoa

c)

Helminths

d)

Rickettsiae

9.

What is the term for the process of destroying all microorganisms, including spores and viruses?

a)

Disinfection

b)

Sterilization

c)

Sanitization

d)

Pasteurization

10.

Which of the following is an example of a multidrug-resistant bacterium?

a)

Rickettsiae

b)

Methicillin-resistant Staphylococcus aureus (MRSA)

c)

Streptococcus pyogenes

d)

Escherichia coli

11.

What is the primary mode of transmission for rickettsiae?

a)

Direct contact

b)

Contaminated water

c)

Insect bites

d)

Airborne droplets

12.

Which microorganism causes diseases such as ringworm and athlete’s foot?

a)

Protozoa

b)

Fungi

c)

Viruses

d)

Bacteria

13.

What is the term for the site where microorganisms enter the body?

a)

Portal of exit

b)

Portal of entry

c)

Reservoir

d)

Mode of transmission

14.

Which of the following is a characteristic of anaerobic organisms?

a)

Are resistant to antibiotics

b)

Are visible to the naked eye

c)

Live in the absence of oxygen

d)

Require oxygen to live

15.

What is the primary cause of antibiotic resistance in bacteria?

a)

Overuse and misuse of antibiotics

b)

Lack of oxygen

c)

High body temperature

d)

Excessive sunlight exposure

16.

Which microorganism is transmitted through contaminated water and causes amebic dysentery?

a)

Protozoa

b)

Rickettsiae

c)

Fungi

d)

Viruses

17.

What is the term for microorganisms that live on dead organic matter?

a)

Protozoa

b)

Fungi

c)

Bacteria

d)

Viruses

18.

Which microorganism is responsible for causing typhus fever?

a)

Viruses

b)

Rickettsiae

c)

Protozoa

d)

Fungi

19.

What is the term for the process of creating a sterile environment for medical procedures?

a)

Sterile field

b)

Disinfection

c)

Sanitization

d)

Sterilization

20.

Which microorganism is visible only using an electron microscope?

a)

Bacteria

b)

Fungi

c)

Protozoa

d)

Viruses

21.

What is the term for microorganisms that cause infection and disease?

a)

Nonpathogens

b)

Pathogens

c)

Fungi

d)

Protozoa

22.

Which microorganism causes diseases such as gonorrhea and pneumonia?

a)

Staphylococci bacteria

b)

Diplococci bacteria

c)

Spirilla bacteria

d)

Bacilli bacteria

23.

What is the term for microorganisms that cannot live outside the cells of another living organism?

a)

Rickettsiae

b)

Viruses

c)

Protozoa

d)

Fungi

24.

Which microorganism causes necrotizing fasciitis, also known as flesh-eating disease?

a)

Streptococcus pyogenes

b)

Rickettsiae

c)

Staphylococcus aureus

d)

Escherichia coli

25.

Which microorganism is responsible for causing African sleeping sickness?

a)

Protozoa

b)

Fungi

c)

Viruses

d)

Rickettsiae

26.

Chemical products that destroy all bacteria, fungi, and viruses (but not spores) on surfaces are known as _____.

a)

sterilizers

b)

antiseptics

c)

disinfectants

d)

sanitizers

27.

Which statement is TRUE about temperature and bacterial growth?

a)

Bacteria grow between a temperature range.

b)

Maximum growth occurs at the optimum temperature.

c)

Metabolic rate increases with temperature.

d)

all of these are true

28.

A serial dilution is 

a)

the stepwise saturation of a substance in solution.

b)

a dilution that increase by a factor of 1/10 every step

c)

the stepwise dilution of a substance in solution.

d)

a series of sequential dilutions used to increase a dense culture of cells to a more usable concentration.

29.

Which disease-causing agent could quickly multiply into colonies of billions of cells in the space of a drop of water?

a)

fungi

b)

viruses

c)

bacteria

d)

protists

30.

_______________ are chemical products that destroy most bacteria (excluding spores), fungi and viruses on surfaces.

a)

Cleansers

b)

Disinfectants

c)

Windex

d)

Infection Control

31.

Which microbe is the image most likely to be?

a)

Bacteria

b)

Fungus

c)

Virus

d)

None of the above

32.

Why do antibiotics destroy bacterial cells but have no effect on viruses?

a)

Viruses are made up of organic molecules that are too small to be targeted by antibiotics.

b)

Viruses are not alive and do not carry out the life functions that are stopped by antibiotics

c)

Viruses do not possess the protein coat that is targeted by all antibiotics

33.
a)

A

b)

B

c)

C

d)

D

34.

Based on this graph, which statement would be the best conclusion about the effect of temperature on bacterial growth?

a)

The highest rate of bacterial growth is around 25 °C

b)

The highest rate of bacterial growth is around 35 °C

c)

The highest rate of bacterial growth is around 45 °C

35.

Infectious diseases can spread by contact with

a)

an infected person

b)

a contaminated object

c)

an Infected animal

d)

an environmental source

e)

All of the above.

36.

A disease that can pass from one organism to another is a(n)

a)

pathogen.

b)

infectious disease.

c)

toxin.

d)

bacteria.

37.

This term is used when a disease affects a large proportion of the people over a large area.

a)

Epidemic

b)

Pandemic

c)

Disease

d)

Pathogens

38.

Strep throat is caused by 

a)

bacteria

b)

virus

39.

This term is used when many people in a local area get sick at the same time.

a)

Epidemic

b)

Pandemic

c)

Diseases

d)

Pathogens

40.

Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?

a)

viruses

b)

parasites

c)

fungi

d)

bacteria

41.

Infectious diseases are caused by _________ in the body.

a)

pathogens

b)

decomposers

42.

Which pathogen needs a host cell to reproduce?

a)

virus

b)

bacteria

c)

fungus

d)

parasite

43.

TRUE or FALSE: Viruses can be killed with an antibiotic. 

a)

TRUE

b)

FALSE

44.

A person with AIDS is likely to develop infectious diseases because the virus that causes AIDS

a)

destroys cancerous cells

b)

damages the immune system

c)

increases the rate of antibody production

d)

increases the rate of microbe destruction

45.

True or False
The flu is caused by a virus.

a)

true

b)

false

46.

What is the smallest pathogen?

a)

Virus

b)

Bacteria

c)

Fungus

d)

Tapeworm

47.

Which type of microorganism is most commonly treated with antibiotics?

a)

Protozoa

b)

Fungi

c)

Bacteria

d)

Viruses

48.

What is the main difference between bacteria and viruses?

a)

Viruses are larger than bacteria

b)

Bacteria can reproduce on their own; viruses need a host cell

c)

Bacteria cause only mild diseases

d)

Viruses can be killed by antibiotics

49.

Which of the following is NOT a method of controlling the spread of microorganisms?

a)

Disinfection

b)

Sharing personal items

c)

Vaccination

d)

Hand washing

50.

Which microorganism is commonly used in the production of antibiotics?

a)

Protozoa

b)

Viruses

c)

Bacteria

d)

Fungi

51.

What is the main function of an autoclave in a microbiology laboratory?

a)

To incubate cultures

b)

To sterilize equipment and media

c)

To measure bacterial growth

d)

To identify microorganisms

52.

Which of the following best describes a nosocomial infection?

a)

An infection acquired in the community

b)

An infection acquired in a hospital setting

c)

An infection that only affects animals

d)

An infection caused by protozoa

53.

Which of the following is NOT considered a type of microorganism?

a)

Virus

b)

Bacteria

c)

Plant

d)

Fungi

54.

Which method is most effective for preventing the transmission of infectious diseases?

a)

Hand washing

b)

Sharing food

c)

Ignoring symptoms

d)

Not covering your mouth when coughing

55.

Which microorganism is responsible for causing malaria?

a)

Virus

b)

Bacteria

c)

Fungi

d)

Protozoa

56.

Which of the following is NOT a method of preventing the spread of infectious diseases?

a)

Hand washing

b)

Sharing personal items

c)

Vaccination

d)

Using disinfectants

57.

What is the main purpose of using culture media in a microbiology laboratory?

a)

To sterilize equipment

b)

To kill microorganisms

c)

To provide nutrients for microbial growth

d)

To identify viruses

58.

Which of the following diseases is caused by a virus?

a)

Strep throat

b)

Ringworm

c)

Influenza

d)

Amebic dysentery

59.

Which of the following is NOT a type of microorganism?

a)

Mineral

b)

Algae

c)

Bacteria

d)

Virus

60.

Which process is used to reduce the number of pathogens on surfaces but does not destroy all microorganisms?

a)

Sanitization

b)

Disinfection

c)

Sterilization

d)

Incubation

61.

Which microorganism is most likely to cause athlete's foot?

a)

Protozoa

b)

Virus

c)

Fungi

d)

Bacteria

62.

Which of the following is NOT a type of microorganism?

a)

Algae

b)

Fungi

c)

Bacteria

d)

Minerals

63.

What is the main difference between bacteria and viruses?

a)

Bacteria cause only diseases; viruses do not.

b)

Viruses can reproduce on their own; bacteria cannot.

c)

Viruses are larger than bacteria.

d)

Bacteria are living cells; viruses are not considered living.

64.

Which process reduces the number of microorganisms to a safe level but does not eliminate all of them?

a)

Sterilization

b)

Disinfection

c)

Sanitization

d)

Pasteurization

65.

Which microorganism is responsible for causing malaria?

a)

Bacteria

b)

Fungi

c)

Protozoa

d)

Virus

66.

What is the process called when bacteria exchange genetic material through direct contact?

a)

Transformation

b)

Conjugation

c)

Transduction

d)

Replication

67.

Which structure helps bacteria survive harsh environmental conditions?

a)

Flagella

b)

Pili

c)

Spores

d)

Cilia

68.

Which of the following is NOT a common mode of transmission for infectious diseases?

a)

Direct contact

b)

Airborne droplets

c)

Genetic inheritance

d)

Contaminated water

69.

Which microorganism is most likely to cause pneumonia in humans?

a)

Protozoa

b)

Rickettsiae

c)

Escherichia coli

d)

Streptococcus pneumoniae

70.

What is the main function of the natural flora found in the human body?

a)

To cause infectious diseases

b)

To aid in digestion and protect against pathogens

c)

To transmit viruses

d)

To produce antibiotics

Similar Resources on Wayground

Ngs Mid

70 questions

Ngs Mid

quiz

Worksheet

•

9th - 12th Grade

Muscle Practice

70 questions

Muscle Practice

quiz

Worksheet

•

9th - 12th Grade

Glands & Hormones Review

71 questions

Glands & Hormones Review

quiz

Worksheet

•

11th Grade

Basics of the Body Word Parts Review

67 questions

Basics of the Body Word Parts Review

quiz

Worksheet

•

9th - 12th Grade

Infection control PCT

75 questions

Infection control PCT

quiz

Worksheet

•

11th Grade - University