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Multiple Choice Quiz
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1

A disadvantage of gas sterilization is
A)it raises the temperature in the unit to 270 degrees F.
B)it uses ethylene oxide which is hazardous to humans and to the environment.
C)the instruments must be placed in a small chamber.
D)it generally takes up to 10 hours to complete the process.
2

Which of the following is commonly used in the laboratory setting to provide a measure of protection against transmission of the human immunodeficiency virus (HIV)?
A)germicidal soap
B)boiling water
C)iodine
D)bleach
3

Which of the following methods of infection control requires the use of an autoclave?
A)disinfection
B)ultrasonic cleaning
C)sterilization
D)sanitization
4

Which of the following is used to disinfect surfaces and soak rubber equipment before sanitization?
A)bleach
B)alcohol
C)iodine
D)boiling water
5

Which of the following is permissible in ultrasonic cleaning?
A)place all instruments together in the special bath
B)place all instruments with hinges or ratchets in the ultrasonic cleaner in the closed position
C)remove the instruments from the ultrasonic cleaner and immediately wrap in a towel without rinsing
D)reuse the ultrasonic cleaning solution for several baths
6

Which of the following is used to clean delicate instruments or instruments with moving parts?
A)sterilization
B)disinfection
C)sanitization
D)ultrasonic cleaning
7

Which of the following is used both as a disinfectant and antiseptic but its effectiveness is limited by the presence of blood products, mucus, or soap?
A)boiling water
B)iodine
C)acid products
D)formaldehyde
8

Which factor has an impact on the effectiveness of a disinfectant?
A)the disinfectant solution is more potent after several uses
B)items should be placed in the disinfectant bath wet
C)using soap in the sanitization process is desirable
D)evaporation can alter the chemical makeup of the solution
9

The cleaning process that is required for all instruments that penetrate the skin or that come in contact with normally sterile areas of the tissue and internal organs is
A)sterilization.
B)sanitization.
C)disinfection.
D)ultrasonic cleaning.
10

Which of the following can be disinfected and reused without sterilization?
A)needles and syringes
B)glassware and enamelware
C)vaginal specula
D)curettes







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