Infection Control and dental radiographers

3. Which of the following viruses may be present in oral secretions?

1. Cytomegalovirus

2. Hepatitis B virus

3. Herpes simplex virus

4. Human immunodeficiency virus

a. 1, 2, 3, 4

b. 2, 3, 4

c. 1, 2, 3

d. 2, 4

a. 1, 2, 3, 4

4. Another term for infection control is __________, which means the absence of pathogens, or disease-causing microorganisms.

a. antiseptic

b. antibiotic

c. antiinfective

d. asepsis

d. asepsis

Recommendations concerning gloves would fall under which of the following categories of infection control practices that directly relate to dental imaging procedures?

a. Personal protective equipment

b. Hand washing and care of hands

c. Sterilization or disinfection of instruments

d. Cleaning and disinfection of dental unit and environmental surfaces

a. Personal protective equipment

16. Covering exposed surfaces with disposable materials ____________ adequate protection ____________ the need for surface cleaning and disinfection between patients.

a. provides; while eliminating

b. provides; but does not eliminate

c. does not provide; but does eliminate

d. neither provides; nor eliminates

a. provides; while eliminating

18. Commercially available barrier envelopes

a. minimize contamination before exposure of the film.

b. minimize contamination after exposure of the film.

c. are made of a material that blocks the passage of photons.

d. are made of a material that blocks the passage of electrons.

b. minimize contamination after exposure of the film.

22. Preparation of the dental radiographer should include

a. removing film-holding devices before hand washing.

b. removing film-holding devices after hand washing but before placing gloves.

c. mandatory use of a surgical mask and protective eyewear.

d. optional use of a surgical mask and protective eyewear.

d. optional use of a surgical mask and protective eyewear.

24. When handling film with barrier envelopes, the barrier envelopes are opened with __________ hands and the films unwrapped with ______________ hands.

a. gloved; gloved

b. gloved; nongloved

c. nongloved; gloved

d. nongloved; nongloved

b. gloved; nongloved

25. When handling film with barrier envelopes, the films are unwrapped with _________ hands, and when handling film without barrier envelopes, the films are unwrapped with _____________ hands.

a. gloved; gloved

b. gloved; nongloved

c. nongloved; gloved

d. nongloved; nongloved

c. nongloved; gloved

26. (1) The contaminated barriers should be removed while the dental radiographer is wearing gloves. (2) The barriers should be disposed of after the patient has left the room.

a. Both statements are true.

b. Both statements are false.

c. The first statement is true; the second statement is false.

d. The first statement is false; the second statement is true

c. The first statement is true; the second statement is false.

27. (1) Contaminated film is placed in a disposable container that is carried to the processor with gloved hands. (2) The film should be developed after the patient has been dismissed from the radiology area.

a. Both statements are true.

b. Both statements are false.

c. The first statement is true; the second statement is false.

d. The first statement is false; the second statement is true.

a. Both statements are true.

28. (1) Digital sensors can be disinfected, sterilized, placed in cold sterilization, or be placed in barriers. (2) When using barriers, disinfect the sensor, cover both the sensor and the wire connection with a plastic barrier, and then cover with a finger cot to provide added protection.

a. Both statements are true.

b. Both statements are false.

c. The first statement is true; the second statement is false.

d. The first statement is false; the second statement is true.

d. The first statement is false; the second statement is true.

29. There are three conditions that must be present for an infection to occur. Which of the following conditions is a necessary component for an infection to occur?

a. Small amounts of the infectious disease with low infectivity

b. A host that is not vulnerable to infection

c. A way for the infectious disease to enter the host

d. An aseptic environment

c. A way for the infectious disease to enter the host

30. Which of the following should you do first when using a daylight loader for film processing?

a. Put on gloves.

b. Place a new paper cup and gloves in the daylight loader.

c. Put contaminated film in daylight loader.

d. Put hands through openings of daylight loader.

d. Put hands through openings of daylight loader.