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RADT A111 - Patient Care > Infection Control > Flashcards

Infection Control Flashcards

1
Q

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

A

Host

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2
Q

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

A

Iatrogenic

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3
Q

Strep throat is caused by a:

A

Bacteria

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4
Q

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

A

Virus

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5
Q

Which type of infection is increasing in immunocompromised patients?

A

Mycotic

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6
Q

Which infectious agent causes acquired immunodeficiency syndrome (AIDS)?

A

HIV

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7
Q

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

A

False

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8
Q

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

A

Hep B

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9
Q

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

A

Hep A

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10
Q

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

A

HIV and Hep B and C

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11
Q

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

A

Needle-stick injury

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12
Q

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

A

Wearing special filter masks

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13
Q

Which of the following pathogens is classified as airborne?

A

Tuberculosis

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14
Q

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

A

Reservoir

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15
Q

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

A

Immunocompromised patients

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16
Q

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

A

Fomite

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17
Q

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

A

Cough or sneeze

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18
Q

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

A

Contact

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19
Q

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

A

Transmission-based precautions

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20
Q

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

A

Perform hand hygiene

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20
Q

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

A

The patient must wear a mask

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21
Q

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

A

Standard Precautions

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22
Q

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

A

1, 2 and 3

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23
Q

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

A

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

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24
Q

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

A

Droplet

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25
Q

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?

A

Contact

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26
Q

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

A

1 and 2

27
Q

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

A

Cancers do not require transmission-based precautions.

28
Q

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

A

Medical asepsis

29
Q

Destruction of pathogens by chemical means is termed:

A

Disinfecting

30
Q

How often should the x-ray table be cleaned?

A

After every procedure

30
Q

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

A

Hand hygiene

31
Q

How often should countertops and other work areas be cleaned?

A

Twice a day

32
Q

The recommended duration for lathering hands during hand hygiene is:

A

10-15 seconds

33
Q

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

A

2 and 3

34
Q

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

A

1:10 solution of bleach and water

35
Q

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

A

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

36
Q

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

A

True

37
Q

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

A

Surgical asepsis

38
Q

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

A

Autoclave

39
Q

What are the two types of sterility indicators?

A

Chemical and biological

40
Q

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

A

Requires more time and higher temperatures

41
Q

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

A

Gas plasma

42
Q

Which sterilization method is the least effective and reliable?

A

Chemical

43
Q

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

A

In a circular motion from the inside to the outside

44
Q

What is the first step in removing a sterile dressing?

A

Performing hand hygiene

45
Q

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

A

By the folded cuff

46
Q

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

A

1, 2 and 3

47
Q

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?

A

gloves and gown

48
Q

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

A

Filter masks

49
Q

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

A

Setting technique on the control panel

50
Q

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

A

2 and 3

51
Q

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

A

To minimize contamination

52
Q

When disposing of contaminated linens, the edges:

A

should be folded toward the middle to contain contaminants.

53
Q

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

A

cleaned and disinfected following proper procedures.

54
Q

Nosocomial infections are acquired in:

A

Hospitals

55
Q

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

A

Bacteria

56
Q

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

A

Fomites

57
Q

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

A

1, 2 and 3

58
Q

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

A

less than half of what they should

59
Q

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

A

a mask and a face shield or safety goggles

60
Q

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

A

1, 2 and 3

61
Q

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

A

1 and 3

62
Q

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

A

1 and 2

63
Q

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

A

Annually

RADT A111 - Patient Care (13 decks)

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