Lesson 4 - Infection control

Question 1

What type of precaution is used with patients known or suspected to have serious illnesses transmitted by air borne droplet nuclei?

Answer 1

Airborne infection isolation precautions

Question 2

What are infectious agents carried in the blood?

Answer 2

Blood borne pathogens (BBP)

Question 3

What type of transmission is the spread of infection by airborne droplet nuclei or by dust particles that contain microorganisms?

Answer 3

Airborne Transmission

Question 4

What is the continuous link among the infection source, the means of transmission, and the susceptible host?

Answer 4

Chain of infection

Question 5

What is transmission by means of contaminated items such as food, water, medications, devices, & equipment?

Answer 5

Common vehicle transmission

Question 6

What is the type of precaution a medical professional should use for patients suspected or having a serious illness that can be spread by direct contact with the patient or items within their vicinity?

Answer 6

Contact precautions

Question 7

What is the type of transmission where the transfer of microorganisms from an infected person to a susceptible host occurs through body to body or body to surface contact with a contaminated object?

Answer 7

Contact transmission.

Question 8

Particles smaller than 5 um that remain in the air for long periods

Answer 8

Droplet nuclei

Question 9

What is the type of precaution a medical professional should take for patient known to have serious illnesses transmitted by large particle droplets?

Answer 9

Droplet precautions

Question 10

What is the type of transmission caused by spread of infection through airborne droplets?

Answer 10

Droplet transmission

Question 11

What are the type of precautions a medical professional must take when dealing with patients with a highly transmissible pathogen?

Answer 11

Expanded precautions

Question 12

What is the type of plan used when outlining all procedures and policies for preventing the spread of infection?

Answer 12

Exposure control plan

Question 13

What is a contaminated object called?
Hint: starts with an “F”

Answer 13

Fomite

Question 14

What is the type of infection contracted by a patient during their hospital stay?

Answer 14

Healthcare associated infections

Question 15

Which virus causes liver failure, liver disease and can be spread through human bodily fluids or blood?

Answer 15

Hepatitis B virus

Question 16

What virus causes AIDS (autoimmune deficiency syndrome)?

Answer 16

HIV (human immunodeficiency virus)

Question 17

What is an invasion of a microorganism that grows and causes disease in the human body?

Answer 17

Infection

Question 18

What is the separation of an infected source from spreading to susceptible hosts also known to break the chain of infection?
Hint: “SEPARATION”

Answer 18

Isolation

Question 19

An infection caught during a hospital stay

Answer 19

Nosocomial infection

Question 20

What are infectious organisms called?

Answer 20

Pathogens

Question 21

What is sepsis?

Answer 21

A bacterial infection

Question 22

Give a list of 6 PPE (personal protective equipment) items

Answer 22

• gloves - water resistant gown - face mask - face shield - hair net - foot booties/covers

Question 23

When is a protective environment used?

Answer 23

When an immunocompromised patient needs to be isolated to prevent exposing them to new infections

Question 24

When is a protective environment used?

Answer 24

When an immunocompromised patient needs to be isolated to prevent exposing them to new infections

Question 25

What is a reservoir?

Answer 25

A person who carries an infectious agent without showing symptoms (i.e. COVID-19)

Question 26

Contact precautions only require Standard Precautions: hand hygiene and gloves True or false?

Answer 26

False , they require gloves and a surgical gown.

Question 27

Hand hygiene by using proper hand washing or an alcohol based agent is the most effective means of preventing infection. True or false?

Answer 27

True

Question 28

Which type of transmission represents contact with a contaminated object?

Answer 28

Direct contact or blank transmission

Question 29

When a phlebotomist does not wear gloves while having contact with a patient which part of the chain of infection does this represent?

Answer 29

Mode of transmission

Question 30

If a patient is isolated for having TB (tuberculosis) with airborne precautions which type of PPE needs to be used before entering the room?

Answer 30

N95 Respirator mask

Question 31

What is considered indirect contact?

Answer 31

Touching a contaminated surface

Question 32

What is considered indirect contact?

Answer 32

Touching a contaminated surface

Question 33

What is the ratio of using 10% bleach to water when mixing a solution to clean a potentially infectious spill?

Answer 33

1:10
1 part bleach, 10 parts water

Question 34

How long should the bleach solution remain in contact with the potentially infectious spill?

Answer 34

20-30 minutes

Question 35

What refers to infection control by using barrier protection and work place practice controls?

Answer 35

Standard precautions

Question 36

What PPE should be used by the medical professional when entering a room with a droplet precaution isolated patient?

Answer 36

A face mask