Chapter 6- Exposure Control: Barriers for Patient and Clinician

Question 1

Immunizations for dental healthcare professionals include

Answer 1

Hep b, influenza, MMR, tetanus diphtheria and pertussis, varicella zoster, meningococcal, covid

Question 2

Order that basic barrier protection is donned

Answer 2

Mask, eyewear, gloves

Question 3

Use of a surgical mask during aerosol generating procedures should have __% BFE

Answer 3

95

Question 4

General features of acceptable eyewear

Answer 4

Sufficient coverage, shatterproof, lightweight, easily disinfected, scratch resistant, anti fog

Question 5

How must eyewash station be set up

Answer 5

Eye wash station needs to be attached to a sink not used by clinicians and the hot water must be turned off permanently

Question 6

Bacteria that inhabits the surface epithelium and are shed with exfoliated surface cells, and are less susceptible to destruction by disinfection

Answer 6

Resident bacteria

Question 7

Bacteria that may be washed away with soap and water, it reflects continuous contamination by routine contact

Answer 7

Transient bacteria

Question 8

Indications for hand hygiene

Answer 8

Before and after treating a patient, before resolving after removing torn gloves, after touching contaminated inanimate objects, when hands are visibly soiled, before leaving treatment room

Question 9

How long for routine handwash

Answer 9

Rub soap and water for 15 seconds, whole procedure should take 40-60 seconds

Question 10

How long for antiseptic handwash

Answer 10

Water and antimicrobial soap 15-20 seconds

Question 11

How long for surgical antisepsis handwashing technique

Answer 11

Water and antimicrobial soap for 2-5 minutes

Question 12

What handwash is used to destroy transient microorganisms and reduce resident flora

Answer 12

Antiseptic handwash

Question 13

What handwash is used to remove or destroy transient microorganisms and reduce resident flora with a persistent or prolonged effect that inhibits proliferation of microorganisms

Answer 13

Surgical antisepsis

Question 14

Factors affecting glove integrity

Answer 14

Length of time worn, complexity of procedure, packaging, size, and storage of gloves, time pressure, agents used, hazards from the hands

Question 15

Type I hypersensitivity to latex

Answer 15

Immediate reaction: hives, dermatitis, nasal and respiratory problems, watery eyes, drop in BP

Question 16

Type IV hypersensitivity to latex

Answer 16

Delayed reaction, dermatitis develops 8 hours to 5 days after contact