SPT130CH7

1.

1 point

Central Service (CS) personnel must be able to maintain and repair water purification systems used for cleaning instruments.

True

False

2.

1 point

Which is the most common type of water purification system in Central Service departments?

Water softeners

Filter systems

Distillation

Reverse osmosis

3.

1 point

What potential problems can occur when water that has not been purified is used for cleaning instruments?

All the above

It may shorten the life of instruments

It may impede cleaning processes

It may impede biocidal processes

4.

1 point

What is the proper parts per million (ppm) count for silicates in water use for cleaning instruments?

100 ppm

75 ppm

125 ppm

50 ppm

5.

1 point

Which water purification system involves use of a still to heat water to steam, and then allow it to cool and condense?

Distillation

Water softeners

Filter system

Reverse osmosis

6.

1 point

Which chemical in water is removed by water softeners?

Calcium and magnesium

Sodium

Calcium

All the above

Magnesium

7.

1 point

Conducts of water testing may be performed by the Central Service Personnel.

True

False

8.

1 point

Why is the pH of water used to clean instruments important?

The final rinse water must be free of impurities

All of the above

It impacts the effectiveness of cleaning chemicals used for decontamination

None of the above

It impacts decisions about the type of purification system needed

9.

1 point

Which water purification system can remove all particles in water?

Deionization

Reverse osmosis

Water softeners

Distillation

10.

1 point

Which can make water turbid (cloudy) when it is stirred?

Gases

Sediment

osmotic pressure

All the above

Solids

11.

1 point

What is another term for deionized water?

Purified water

Filtered water

Oxygenated water

Demineralized water

12.

1 point

Where should tests of water used for manual cleaning systems be made?

Where water enters the building

Where water leaves the building

Where the final rinse enters the sink

Where water leaves the sink

13.

1 point

“Hard water” and “purified water” has the same ppm of minerals and sediments.

True

False

14.

1 point

Who can perform water testing activities?

All the above

Facility personnel and Manufacturers and distributors of cleaning products

Facility personnel

Manufacturers and distributors of cleaning products

Professional janitorial services

15.

1 point

Which is not typically included in a report about water quality?

Total dissolved solids

Acidity (pH)

All of the above are included in water quality tests

Water conductivity

Water titanium count

16.

1 point

Which of the following is not true

Certain contaminants may shorten the life of instruments by harming their finish.

water that has not been purified may contain contaminants

Contaminants improve the cleaning process <<<

Some water sources also contain bacteria

Water may contain algae and parasites.

17.

1 point

Potable water has been purified

True

False

18.

1 point

Chlorides are always found in treated water.

True

False

19.

1 point

Hard water stains appear on instruments as:

Water spots

A rainbow-type stain

A bluish stain

A chalky build-up

20.

1 point

Water being tested should be sent to the testing facility as quickly as possible to avoid changing the quantity of silicates in the test water.

True

False

21.

1 point

Normally, water to be used for instrument rinsing should be purified to the fullest extent possible.

True

False

22.

1 point

What type of water purification system is used to heat and cool therapy units?

Water softeners

Reverse osmosis

Deionization

Filter systems

23.

1 point

Deionized water is sometimes called demineralized water.

True

False

24.

1 point

Water processed at the municipal water treatment plant that is to be used for human consumption has been purified.

True

False

25.

1 point

Which type of purification system must normally be used with a supplemental purification system?

Filter systems

Water softeners

Reverse osmosis

Distillation