Infection Control

Question 1

An animal or plant that nourishes another organism is termed a:

Answer 1

Host

Question 2

An infection that results from an intervention or treatment by a physician is classified as:

Answer 2

Iatrogenic

Question 3

Strep throat is caused by a:

Answer 3

Bacteria

Question 4

Which infection-causing agent can only reproduce within a living cell?

Answer 4

Virus

Question 5

Which type of infection is increasing in immunocompromised patients?

Answer 5

Mycotic

Question 6

Which infectious agent causes acquired immunodeficiency syndrome (AIDS)?

Answer 6

HIV

Question 7

T/F: Health care workers are at an increased risk to contract HIV through occupational exposure as compared to workers outside of health care.

Answer 7

False

Question 8

Which type of hepatitis virus is of primary concern to health care workers?

Answer 8

Hep B

Question 9

Which type of hepatitis virus is usually transmitted via feces-contaminated food or water?

Answer 9

Hep A

Question 10

Blood-borne pathogens of concern to health care workers are:

Answer 10

HIV and Hep B and C

Question 11

The most common occupational exposure to blood-borne pathogens is:

Answer 11

Needle-stick injury

Question 12

Health care workers can protect themselves from exposure to airborne pathogens by:

Answer 12

Wearing special filter masks

Question 13

Which of the following pathogens is classified as airborne?

Answer 13

Tuberculosis

Question 14

In terms of the cycle of infection, any environment in which a pathogen can flourish is termed a:

Answer 14

Reservoir

Question 15

What population is at the greatest risk as a susceptible host?

Answer 15

Immunocompromised patients

Question 16

An inanimate object that has been contaminated by an infectious agent is called a:

Answer 16

Fomite

Question 17

Which of the following might be an exit portal for tuberculosis?

Answer 17

Cough or sneeze

Question 18

Which of the following is the mode of transmission for E. coli bacteria?

Answer 18

Contact

Question 19

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

Answer 19

Transmission-based precautions

Question 20

Before entering the room of a patient who is under protective precautions, the first step is to:

Answer 20

Perform hand hygiene

Question 20

A patient who is under airborne precautions is transported to the radiology department. Which of the following statements applies?

Answer 20

The patient must wear a mask

Question 21

A system of protective guidelines used to protect against disease transmission defines:

Answer 21

Standard Precautions

Question 22

According to Standard Precautions, personal barriers can be worn to protect the:
(1) skin
(2) eyes
(3) respiratory system

Answer 22

1, 2 and 3

Question 23

When performing a mobile chest x-ray on a patient under contact precautions, which of the following statements would apply?

Answer 23

The IR should be covered with a fluid-resistant barrier.

Question 24

Which type of transmission-based precautions would be used on a patient with influenza?

Answer 24

Droplet

Question 25

You have an order to obtain a chest and KUB on a patient diagnosed with MRSA. Due to the patient's weakened and contagious condition, the order is changed from routine to mobile. What type of transmission-based precautions would you expect when you arrive at the patient's room?

Answer 25

Contact

Question 26

While performing mobile radiography on a patient with MRSA, which of the following should you wear? (1) gown (2) gloves (3) filter mask

Answer 26

1 and 2

Question 27

What type of precautions would be used when working with a patient with bronchogenic carcinoma?

Answer 27

Cancers do not require transmission-based precautions.

Question 28

The process of decreasing the number of infectious agents present in an environment defines:

Answer 28

Medical asepsis

Question 29

Destruction of pathogens by chemical means is termed:

Answer 29

Disinfecting

Question 30

How often should the x-ray table be cleaned?

Answer 30

After every procedure

Question 30

Which of the following is considered the most effective procedure in medical asepsis?

Answer 30

Hand hygiene

Question 31

How often should countertops and other work areas be cleaned?

Answer 31

Twice a day

Question 32

The recommended duration for lathering hands during hand hygiene is:

Answer 32

10-15 seconds

Question 33

Which of the following would apply when disposing of linens that are visibly soiled with blood? (1) Pour blood-contaminated areas with 1:10 bleach solution. (2) Wear gloves to handle linens. (3) Dispose of linens in biohazard container

Answer 33

2 and 3

Question 34

Which of the following disinfectants is recommended to prevent the spread of HIV?

Answer 34

1:10 solution of bleach and water

Question 35

Which of the following is the proper method to disinfect an x-ray table after a procedure?

Answer 35

Disinfect from the least contaminated area to the most contaminated area.

Question 36

T/F: Alcohol-based hand rubs are more effective for killing microbes than soap and water hand washing.

Answer 36

True

Question 37

The complete removal of all pathogens and spores from equipment used for invasive procedures defines:

Answer 37

Surgical asepsis

Question 38

What device is commonly used to provide moist heat, or steam, sterilization?

Answer 38

Autoclave

Question 39

What are the two types of sterility indicators?

Answer 39

Chemical and biological

Question 40

Which of the following is a true statement about dry heat sterilization?

Answer 40

Requires more time and higher temperatures

Question 41

Which method is suitable for sterilizing electrical, plastic, and rubber items?

Answer 41

Gas plasma

Question 42

Which sterilization method is the least effective and reliable?

Answer 42

Chemical

Question 43

Which of the following describes the proper method to cleanse the skin for an invasive radiographic procedure?

Answer 43

In a circular motion from the inside to the outside

Question 44

What is the first step in removing a sterile dressing?

Answer 44

Performing hand hygiene

Question 45

In the open-technique of self-gloving, how is the first glove picked up?

Answer 45

By the folded cuff

Question 46

Which of the following would contaminate a sterile field? (1) liquid soaking the sterile drape (2) leaving a sterile field unattended (3) reaching across a sterile field

Answer 46

1, 2 and 3

Question 47

An order is received for a barium swallow procedure on a patient in contact isolation. Which of the following should the transporter wear during the transfer from the patient room to the radiology department?

Answer 47

gloves and gown

Question 48

Which of the following is required for a patient in airborne isolation while in the radiology department?

Answer 48

Filter masks

Question 49

Which of the following would be the duty of the “clean” radiographer during a procedure on a patient in isolation?

Answer 49

Setting technique on the control panel

Question 50

Which of the following would be the duty of the patient care technologist when performing an imaging procedure on a patient in isolation? 1. Setting technique on control panel 2. Positioning the patient 3. Aligning the x-ray tube and IR

Answer 50

2 and 3

Question 51

What is the purpose of designating a team approach to imaging isolation patients in the radiology department?

Answer 51

To minimize contamination

Question 52

When disposing of contaminated linens, the edges:

Answer 52

should be folded toward the middle to contain contaminants.

Question 53

After transferring an isolation patient back to to his or her room, the x-ray room must be:

Answer 53

cleaned and disinfected following proper procedures.

Question 54

Nosocomial infections are acquired in:

Answer 54

Hospitals

Question 55

_______ produce endospores that germinate in the correct environment and cause infections such as food poisoning

Answer 55

Bacteria

Question 56

Inanimate objects, such as radiograpahic equipment, that become contaminated by a pathogen are called:

Answer 56

Fomites

Question 57

Sterile technique requires which of the following? 1. surgical hand antisepsis 2. a surgical head covering 3. attire laundered by a health care accredited laundry facility

Answer 57

1, 2 and 3

Question 58

How much time, on average, do health care providers spend washing their hands, according to the U.S. Centers for Disease Control and Prevention?

Answer 58

less than half of what they should

Question 59

What should a radiologic technologist wear for protection against airborne pathogens?

Answer 59

a mask and a face shield or safety goggles

Question 60

When cleaning a room at the end of a procedure, radiologic technologists should: 1. clean objects and surfaces that frequently touch a patient's bare skin 2. clean image receptors and the examination table 3. use friction and a fluid

Answer 60

1, 2 and 3

Question 61

How should a lead apron be cleaned? 1. with a soft-bristle brush 2. using a diluted bleach solution 3. hang aprons to dry individually; do not stack them

Answer 61

1 and 3

Question 62

Which of the following are alternatives to incinerating medical waste? 1. steam sterilization (autoclaving) 2. chemical mechanical systems 3. recycling

Answer 62

1 and 2

Question 63

For regulatory compliance purposes, how often must adherence to infection control policies be reviewed?

Answer 63

Annually