Microbiology · Chapter 8

Controlling Microbes — Sterilization, Disinfection & Asepsis

Ways to kill microbes, and how clean each one leaves a surface

How many of this chapter's six lessons you have ticked off0/6ch 8

ticked off this visit

Six lessons cover this chapter. Open any of them on its own below, or meet it in place inside chapter 8 of the book. Tick a lesson off once you can predict what it will do before you touch it.

1

The Spectrum of Microbial Control

Slide from a light clean up to full sterilization. See what survives each step.

2

Physical Methods of Control

Run an autoclave cycle. Then compare heat, radiation and filters side by side.

3

The Spaulding Classification

Sort real items into three risk classes. Pick a way to process each one.

4

Antiseptics & Disinfectants

Mix an agent and set a contact time. See how far up the ladder it reaches.

5

The Microbial Death Curve

Set the starting load, the D-value and the soil. Chase the survivor curve down.

6

Medical vs Surgical Asepsis

Set up a sterile field. Then test it against the rules that break it.

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