Microscope Functions and Sterilization Methods Quiz

Three methods of sterilization are red heat (e.g. holding object in flame till red hot), flaming (e.g. passing object through flame without redness), and hot air oven (e.g. sterilizing glass wares at 160-180°C for 1.5-2 hours).

Autoclave sterilization is conducted at 121°C for 20 minutes at 15 lb pressure.

The function of a microscope includes magnification, resolution (sharpness), and contrast.

<p>Gamma rays damage the nucleic acid of microorganisms (bactericidal). The bacteriological media not affected by autoclaving are litmus milk media, sugar media, and gelatin media.</p> Signup and view all the answers

<p>Items such as plastic, syringes, gloves, catheters, cat gut, and rubber tubes cannot withstand heat sterilization methods because they would be damaged or decomposed by the high temperatures.</p> Signup and view all the answers