Deck 5: Infection Control

Question 1

Which of the following is involved in the cycle of infection?
1) Pathogen
2) Mode of transmission
3) Susceptible host

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

Answer 1

1, 2, and 3

Question 2

A method of sterilization that has special indicators to change color,signifying that sterilization has been achieved,is:
1)autoclaving (steam sterilization).
2)conventional gas sterilization.
3)gas plasma technology.

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

Answer 2

1, 2, and 3

Question 3

The practice of separating infectious patients from others and carefully controlling items that come in contact with these patients is called:

A) microbial dilution.
B) surgical asepsis.
C) environmental asepsis.
D) isolation technique.

Answer 3

isolation technique.

Question 4

Which of the following are NOT microorganisms?

A) Bacteria
B) Viruses
C) Protozoa
D) Fomites

Question 5

Sterilization is essential to:

A) medical asepsis.
B) disinfection.
C) surgical asepsis.
D) isolation.

Question 6

When opening a sterile pack,the first corner of the wrap is opened:

A) toward you.
B) away from you.
C) to the left.
D) to the right.

Question 7

Upon completion of an isolation procedure,the first step is to:

A) perform hand hygiene.
B) untie your waist belt.
C) remove your mask.
D) remove your cap.

Question 8

Under the system of protective precautions,the radiographer who handles the x-ray unit:

A) must wear sterile gloves.
B) helps lift and move the patient.
C) may touch only sterile items.
D) drops the image receptor into a clean or sterile cover.

Question 9

When taking a radiograph of a patient with a contagious disease,the "dirty" radiographer positions the:
1)patient.
2)covered image receptor.
3)radiographic equipment.

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

Question 10

Failing to disinfect the x-ray table or vertical bucky between patients spreads microorganisms via the _____ route.

A) airborne
B) vehicle
C) fomite
D) direct contact

Question 11

In the event of an accidental needlestick with a contaminated needle,or any occasion on which your skin is broken by a contaminated object,the postexposure procedure includes:
1) having a baseline blood sample drawn.
2) reporting the incident to your supervisor.
3) washing the affected area with soap and water.

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

Question 12

Which of these microorganisms occur as yeasts or molds and can infect the skin,nail beds,and scalp?

A) Protozoa
B) Fungi
C) Bacteria
D) Viruses

Question 13

Standard Precautions require health care personnel to use barriers to prevent contact with:

A) blood only.
B) blood, nonintact skin, and all body fluids.
C) intact skin.
D) some body fluids.

Question 14

A patient diagnosed with a contagious respiratory infection is being transported to the radiology department.Which of the following must be done to prevent transmission of the patient's infection?

A) The patient must wear a mask.
B) The radiographer must wear a mask
C) The patient must wear an isolation gown.
D) The radiographer must wear gloves.

Question 15

Treatment used to make an item germ-free is called:

A) asepsis.
B) disinfection.
C) microbial dilution.
D) sterilization.

Question 16

Nosocomial infections are those that are contracted:

A) from contaminated water.
B) from an occupational environment.
C) within a hospital.
D) with poor hygiene.

Question 17

What is the body's first line of defense against infection?
1)Intact skin and mucous membranes
2)Upper respiratory tract cilia
3)Inflammatory response

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

Question 18

Precautions for the compromised patient may include:
1)cleaning equipment before entering the room.
2)hand hygiene before entering the room.
3)the use of masks, gowns, and gloves.

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

Question 19

Reducing the probability of infectious organisms being transmitted to a susceptible individual is called:

A) sepsis.
B) medical asepsis.
C) surgical asepsis.
D) sterilization.

Question 20

Which of the following statements does NOT meet infection control guidelines with regard to the handling of patient linens?

A) Soiled linens should be shaken to remove loose material before being placed in the hamper.
B) No item should be used for more than one patient without being laundered first.
C) Fold the edges of used linens to the middle without shaking or flapping.
D) Used linen is considered contaminated even when no soil is apparent.

Question 21

Subcellular organisms that are among the smallest known disease-causing microorganisms are called:

A) rickettsiae.
B) viruses.
C) bacteria.
D) fungi.

Question 22

Pulmonary tuberculosis is spread through:

A) direct contact or touching a patient who has tuberculosis.
B) airborne droplet nuclei (5 microns or smaller).
C) large-particle droplets (greater than 5 microns).
D) touching an object contaminated by a patient who has tuberculosis.

Question 23

As a result of the Needlestick Safety and Prevention Act of 2000,the Occupational Safety and Health Administration (OSHA)expanded its definition of engineering controls to include the use of:

A) needle-recapping devices.
B) sharps with engineered sharps injury protections.
C) sharps containers.
D) biohazard labels.

Question 24

Which form of hepatitis is deemed a silent infection with a potential for severe liver damage and chronic infection?

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

Question 25

Which form of hepatitis has a vaccine that can be administered to prevent infection in health care workers?

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

Question 26

Which set of transmission-based precautions is used for patients with multidrug-resistant wound infections?

A) Airborne precautions
B) Droplet precautions
C) Contact precautions
D) Combination airborne and contact precautions

Question 27

The portal of entry describes the:

A) method by which the pathogen enters the body.
B) method by which the pathogen exits the body.
C) reservoir or place where the pathogen resides.
D) carrier of the pathogen.

Question 28

A patient placed under airborne precautions requires a bedside chest radiograph.The radiographer must follow standard precautions and must don a:

A) surgical mask.
B) gown, gloves, and surgical mask.
C) particulate respirator.
D) gown and gloves.

Question 29

Passive immunity is immunity that occurs as a result of:

A) intact skin and mucous membranes.
B) lysozyme in human tears.
C) an injection of preformed antibodies.
D) an infection with a specific organism.

Question 30

The transport of microorganisms by means of contaminated food,water,drugs,or blood is referred to as a:

A) reservoir.
B) fomite.
C) vehicle.
D) vector.

Question 31

Packages are considered sterile if they meet the following criteria:
1)Expiration date has not been exceeded
2)Sterility indicators have changed to a predetermined color
3)Package is clean and dry

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

Question 32

Which of the following describes the proper procedure for disposal of a safety needle and syringe following use?

A) Recap the needle, remove from syringe, and dispose of both in a sharps container.
B) Recap the needle, do not remove from syringe, and dispose of syringe in a sharps container.
C) Recap needle, remove from syringe, discard syringe in garbage, and dispose of needle in sharps container.
D) Retract needle, do not remove from syringe, and dispose of syringe in a sharps container.

Question 33

Which of the following methods of sterilization is a safer method of sterilizing heat- and moisture-sensitive items in hospitals?

A) Chemicals
B) Dry heat
C) Gas plasma technology
D) Ethylene oxide

Question 34

When does the CDC recommend handwashing in place of the use of alcohol-based hand rubs?

A) When hands are visibly soiled following patient contact
B) Before patient contact
C) Before donning gloves
D) Following contact with objects in the vicinity of the patient

Question 35

The simplest and most common method of testing for tuberculosis infection is a:

A) chest radiograph.
B) sputum smear and culture.
C) tuberculin skin test.
D) blood test.

Question 36

According to the Centers for Disease Control and Prevention (CDC),an inexpensive environmental surface germicide that is effective against HIV is a solution of:

A) 1 part Lysol to 10 parts water.
B) 1 part sodium hypochlorite (bleach) to 10 parts water.
C) soap and water.
D) isopropyl alcohol.

Question 37

The portal of exit describes the:

A) method by which the pathogen enters the body.
B) method by which the pathogen exits the body.
C) reservoir or place where the pathogen resides.
D) carrier of the pathogen.

Question 38

The current CDC recommendation for isolating patients with known infections is called:

A) universal precautions.
B) transmission-based precautions.
C) standard precautions.
D) category-specific precautions.

Question 39

Hand hygiene refers to decontamination of the hands using:
1)soap and water.
2)alcohol-based hand rubs.
3)an antiseptic hand wash.

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

Question 40

Which microorganisms are classified according to their shape and a staining process?

A) Bacteria
B) Fungi
C) Rickettsiae
D) Protozoa

Question 41

Which of the following statements is NOT a principle of surgical asepsis?

A) Never reach across a sterile field.
B) Do not pass between the physician and the sterile field.
C) Never leave a sterile tray unattended for more than 5 minutes.
D) Allow for a 1-inch buffer zone at the perimeter of the sterile field.