4 - Infection control

Question 1

What infections occur when the chain of infection is complete?

Answer 1

Nosocomial

Question 2

Describe the procedure to clean phlebotomy and laboratory surfaces.

Answer 2

Clean the specimen collection area with a decontaminating 1:10 chlorine bleach solution.

Anything contaminated with blood or bodily fluids such as turnicates it is also a 1:10 bleach solution. The more diluted 1:100 chlorine bleach can be used for routine cleaning of surfaces. The minimal contact time to be effective is 10 minutes.

Question 3

Standard precautions have been designed through the ________ to decrease the risk of transmission of microorganisms.

Answer 3

CDC

Question 4

Droplet precautions are used for large-particle droplets, which are larger than ________ microns, from an infected person.Nosocomial (health care-associated) infection occurs when:

Answer 4

5

Question 5

____ represents methicillin-resistant Staphylococcus aureus

Answer 5

MRSA

Question 6

What are disinfectants?

Answer 6

Chemicals that are used to remove or kill pathogenic microorganisms

Question 7

Nosocomial (health care-associated) infection occurs when:

Answer 7

the chain of infection is complete

Question 8

What is a vector in transmitting infectious diseases?

Answer 8

mites, flies…

Question 9

What is a factor that increases a host’s susceptibility in the chain of infection?

Answer 9

drug use, age….

Question 10

What is the process of preparing to enter a patient’s isolation room?

Answer 10

hand-hygiene, gown, mask, gloves

Question 11

What is the process of removing PPE after leaving a patient’s isolation room?

Answer 11

gloves, gown, mask, hand-hygiene

Question 12

What is an example of a fomite?

Answer 12

A laboratory coat

Question 13

Which of the following is the most important procedure in the prevention of disease transmission in health care institutions?

Answer 13

handwashing

Question 14

In the “chain of infection,” the reservoir is:

Answer 14

The person with the infection / reservoir

Question 15

What chemicals should be used to disinfect tourniquets and items contaminated with blood?

Answer 15

1:10 dilution of chlorine bleach

Question 16

Antiseptics for skin

Answer 16

alcohol, iodine, chlorhexadine… top 3

Question 17

Which of the following is a commonly identified pathogenic microorganism that causes health care-associated skin infections?

Answer 17

Candida albicans

Question 18

Protective (reverse) isolation is commonly used for patients who have:

Answer 18

immunodeficiency disorders

Question 19

Which of the following is a commonly identified causative agent of nosocomial infections in the nursery unit?

Answer 19

Escherichia coli (e coli)

Question 20

Which of the following is a commonly identified pathogenic agent that affects the skin?

Answer 20

Herpes virus

Question 21

What agency of the U.S. Department of Labor that requires employers to provide measures that will protect workers exposed to biological hazards?

Answer 21

OSHA

Question 22

About how many patients acquire a nosocomial infection annually?

Answer 22

1.7 to 3 million

Question 23

What is designed to reduce the risk of transmission of microorganisms from both recognized and unrecognized sources of infection in health care facilities?

Answer 23

Standard Precautions

Question 24

Disinfectants are regulated by the ___

Answer 24

EPA