3
AssignmentMultiple Choice

Infection Control and Asepsis

Question 3 • AA - S26 Introduction to Healthcare Science

A nurse is in charge of preparing devices for use with patients. For each scenario, select the reason why the nurse chose that preparation method.The tube placed in the patient’s throat for anesthesia must be cleaned before it is disinfected because cleaning

Answer
A
kills all infectious agents.
B
kills bacteria and disinfection kills viruses.
C
kills some infectious agents, while disinfection kills the rest of them.
D
removes items stuck on the surface, which allows for more thorough disinfection.

Explanation

Cleaning removes visible soil and other material stuck to a device’s surface. This lets the disinfectant reach the surface more effectively and work thoroughly. Cleaning itself does not kill all infectious agents, so choice D, “removes items stuck on the surface, which allows for more thorough disinfection,” is correct.

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