Deck 4: Infection Control

Question 1

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

A) Standard Precautions
B) reverse isolation
C) droplet precautions
D) protective environment

Answer 1

Standard Precautions

Question 2

Which of the following organizations oversees the investigation and control of various diseases, especially those that are communicable?

A) The Joint Commission
B) JCAHO
C) CDC
D) CLIA

Answer 2

CDC

Question 3

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

A) The Joint Commission
B) OSHA
C) CLSI
D) CLIA

Answer 3

OSHA

Question 4

If an accident such as a needlestick occurs, the injured health care worker should immediately:

A) contact his or her immediate supervisor
B) fill out the necessary health care forms
C) cleanse the area with isopropyl alcohol and apply an adhesive bandage
D) take the needle back to the clinical laboratory for verification of the accident

Question 5

About how many patients acquire a nosocomial infection annually?

A) 1 to 1.5 million
B) 1.75 to 3 million
C) 4 to 5.5 million
D) 6 to 7.2 million

Question 6

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

A) Shigella sp.
B) Clostridium difficile
C) Vibrio cholerae
D) Herpes virus

Question 7

Which of the following would require contact precautions?

A) scabies
B) scarlet fever
C) rubella
D) tuberculosis

Question 8

Which of the following would require airborne precautions?

A) rubella
B) hepatitis A
C) measles
D) scabies

Question 9

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

A) Escherichia coli
B) Haemophilus vaginalis
C) Shigella
D) Vibrio cholerae

Question 10

Reverse isolation is commonly used for patients who have:

A) Vibrio cholerae
B) immunodeficiency disorders
C) hepatitis A
D) whooping cough

Question 11

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

A) Candida albicans
B) Haemophilus influenzae
C) Haemophilus vaginalis
D) Moraxella lacunata

Question 12

Antiseptics for skin include:

A) hypochlorite solution
B) formaldehyde
C) iodine
D) ethylene oxide

Question 13

Which of the following chemicals should be used to disinfect tourniquets and items contaminated with blood?

A) 70 percent isopropyl
B) 1:10 dilution of chlorine bleach
C) hydrogen peroxide
D) iodophors

Question 14

The HICPAC transmission-based precautions include:

A) airborne, droplet, and contact
B) airborne, respiratory, and contact
C) enteric, contact, and respiratory
D) complete, droplet, and airborne

Question 15

Which of the following chemical compounds is an antiseptic for skin?

A) 1 percent phenol
B) hexylresorcinol
C) ethylene oxide
D) chlorophenol

Question 16

Which of the following is the proper sequence for removal of isolation apparel after blood collection in an isolation room?

A) gloves, mask, gown
B) goggles, gown, gloves
C) mask, goggles, gloves
D) gloves, gown, mask

Question 17

In the "chain of infection," the reservoir is:

A) the pathogen
B) the patient who is carrying the pathogen
C) the patient who is exposed to the pathogen
D) the invasive bacteria

Question 18

In health care facilities, which of the following is a typical fomite?

A) laboratory coat
B) 70% isopropyl alcohol
C) hexachlorophene
D) iodine for blood culture collection

Question 19

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

A) use of appropriate waste disposal practices
B) use of personal protective equipment
C) handwashing
D) reporting personal illnesses to supervisor

Question 20

In the process of preparing to enter a patient's isolation room, which of the following would occur first?

A) donning gloves
B) untying gown at the neck
C) discarding mask
D) donning mask

Question 21

Which of the following is a factor that increases a host's susceptibility in the chain of infection?

A) drug use
B) an immunization
C) use of disposable equipment
D) proper nutrition

Question 22

Which of the following is a vector in transmitting infectious diseases?

A) age
B) mites
C) rabies
D) Salmonella

Question 23

Babies whose mothers have which of the following problems must be isolated from other infants?

A) cancer
B) genital herpes
C) kidney failure and are in a dialysis unit
D) burns

Question 24

A health care-acquired infection occurs when:

A) a source is detected
B) the chain of infection is complete
C) a means of transmission is maintained by disinfectants
D) a susceptible host remains stable

Question 25

Disinfectants are:

A) quaternary ammonium compounds
B) chemicals that are used to remove or kill pathogenic microorganisms
C) used frequently on skin for removal of microorganisms
D) chemicals that are used to inhibit the growth and development of microorganisms but do not necessarily kill them

Question 26

MRSA represents methicillin-resistant Staphylococcus aureus.

Question 27

A major factor that affects a host's susceptibility in the chain of infection is age.

Question 28

A flu vaccination is an example of a fomite.

Question 29

Infection control programs aim to link the infection chain.

Question 30

A mite is an example of a vector.

Question 31

Diphtheria requires droplet precautions.

Question 32

Measles requires airborne precautions.

Question 33

A respirator is an example of PPE.

Question 34

OSHA requires health care workers to wear gloves when working with blood specimens.

Question 35

Removing the gloves is the final step in the complete procedure for removal of isolation PPE

Question 36

________ precautions are used for scabies infections.

Question 37

A patient with an active TB infection is placed in a hospital room with ________ air pressure.

Question 38

Droplet precautions are used for large-particle droplets, which are larger than ________ microns, from an infected person.

Question 39

The ________ of transmission for the pathogen to pass directly from the source to the host is part of the chain of infection.

Question 40

For the chain of infection to occur, a ________ must be present.

Question 41

________ infections occur when the chain of infection is complete.

Question 42

A doorknob is considered a ________ in health care facilities since it can harbor infectious agents and transmit infections..

Question 43

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

Question 44

________ precautions reduce the spread of infections from agents such as rubeola.

Question 45

Chemical compounds that are used to remove or kill pathogenic microorganisms are called ________.

Question 46

Describe the procedure to clean phlebotomy and laboratory surfaces.

Question 47

What is a protective isolation facility in a health care environment?