IAHCSMM Chapter 7

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1

Deionization

Which of the following is a system used to treat the final rinse water used for cleaning?

2

Iron and silicates

Bluish or rainbow-type stains are caused by ____ ___ in water.

3

100

The ideal level of silicates in water for cleaning is ___ ppm or less.

4

6.5-7.5

Purified water should have a ph of _______.

5

100

Tap water should ideally have a chloride concentration of ___ ppm or less.

6

Pre and post filter

Water purification usually involves the use of a:

7

Cloudy

Water that is turbid is:

8

Calcium and magnesium

Water softeners are used to remove ____ in the water.

9

Heating/cooling therapy units

Deionized water is used for:

10

Fats

Multi-enzymatic cleaning products containing lipase are useful for cleaning:

11

Germicidal detergents

Which of the following kills microorganisms?

12

Immediately after invasive procedure

The process of pre-cleaning should begin:

13

Remove soil

The main purpose of manual cleaners is to:

14

should be done under water

Which of the following techniques for brushing instruments should be used?