Ch 7 Infection Control

Question 1

Critical Items

Answer 1

Come into contact with soft tissue and bone. Has the highest risk of disease transmission

Question 2

Semi Critical Items

Answer 2

Comes into contact with non intact skin: mouth mirror, impression trays

Question 3

Non critical Items

Answer 3

Can come into contact with skin: bp cuffs, tubehead

Question 4

Recirculation of instruments

Answer 4

Clinical use, instrument cleaner, rinse and dried, instrument packaging, seal, sterilize, storage

Question 5

Does the chemical indicator on packaging indicate that the instruments are sterile?

Answer 5

No, the chemical indicator indicates that the autoclave reached the optimal temperature of penetration

Question 6

Approved methods of sterilization

Answer 6

Steam under pressure, dry heat, chemical vapor, immediate use steam, chemical cold sterile

Question 7

Most economical method of sterilization

Answer 7

Steam under pressure

Question 8

Dry heat sterilization

Answer 8

Not economical, temperature has to be maintained for 3 hours. Any instrument can undergo this sterilization

Question 9

Chemical vapor sterilization

Answer 9

Prevents corrosion and rust and has short cycle. Needs adequate ventilation and cannot be used in a small room

Question 10

Flash sterilization

Answer 10

Used for unwrapped instruments and has to be immediately used

Question 11

Chemical cold sterile

Answer 11

No biological method to test for sterilization. Not recommended.

Question 12

Properties of disinfection

Answer 12

Broad spectrum, fast acting, unaffected by physical factors, non toxic, surface compatibility, no residual effect on treated surfaces, odorless, easy to use, economical

Question 13

Benefits of barriers

Answer 13

Covers hard to clean surfaces, eliminate contact time with disinfectants, safe and chemical free