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DENTAL LAWS AND INFECTION CONTROL FINAL, JURISPRUDENCE
EXAM STUDY GUIDE, NC LAWS, NC, STUDY, LAWS QUIZ 1-9 NEWEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
What PPE is necessary when spray, spatter, and aerosols are
anticipated? - ANSWER-mask, face-shield, eyewear, gloves,
protective clothing (lab gown)
What microbes can be completely removed/greatly reduced with
hand - ANSWER-transient
How long should you wash hands for? - ANSWER-wash 15 sec,
rinse 10 sec
How often should masks be changed? - ANSWER-After each
patient or when wet/soiled during tx
What does a face-shield replace? When wearing one you don't
need to wear______ - ANSWER-Protective eyewear, side shields
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Why are barriers used on surfaces? - ANSWER-Some surfaces
are difficult to disinfect/clean (A/W syringe, hoses)
How often are surfaces covered with barriers disinfected? -
ANSWER-Beginning of day, when contaminated during barrier
removal, end of day
4 surfaces in operatory that should be covered by barriers -
ANSWER-Chair, keyboard, light handle, tray
Items that touch oral mucosa but do not penetrate the body are
classified as - ANSWER-semi-critical items
How are critical and semi-critical items handled? - ANSWER-fully
sterilized
Mouth mirror is an example of that type of item - ANSWER-semi-
critical
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What should be done prior to DISINFECTING environmental
surfaces - ANSWER-pre-clean, spray-wipe-spray or wipe-discard-
wipe
What product level is approved for surface and equipment
disinfection? - ANSWER-intermediate level
what organism must an intermediate level disinfectant kill -
ANSWER-tuberculosis
how long must surfaces remain wet when disinfecting - ANSWER-
10 min
Amount of time it takes for biofilm to form in a new dental unit -
ANSWER-5 days
How long are waterlines flushed at start of each day and in
between pt's? - ANSWER-2-3 mins at start of each day, 20-30
seconds in between patients
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At CCCC when is water system shocked with Sterilex? -
ANSWER-after long breaks, after unit fails water test
At CCCC how are waterlines maintained daily? - ANSWER-Use 1
ICX tablet in bottle water, flush 2-3 mins at start of day, flush 20-
30 secs between pt's
At CCCC when are waterlines purged? - ANSWER-At end of
semester or before a long break
When are HVE and vacuum lines cleaned? - ANSWER-end of
each day with enzymax cleaner
Where are ext teeth disposed of? - ANSWER-sharps container
Microbes that grow in presence or absence of oxygen -
ANSWER-facultative microbes
DENTAL LAWS AND INFECTION CONTROL FINAL, JURISPRUDENCE
EXAM STUDY GUIDE, NC LAWS, NC, STUDY, LAWS QUIZ 1-9 NEWEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
What PPE is necessary when spray, spatter, and aerosols are
anticipated? - ANSWER-mask, face-shield, eyewear, gloves,
protective clothing (lab gown)
What microbes can be completely removed/greatly reduced with
hand - ANSWER-transient
How long should you wash hands for? - ANSWER-wash 15 sec,
rinse 10 sec
How often should masks be changed? - ANSWER-After each
patient or when wet/soiled during tx
What does a face-shield replace? When wearing one you don't
need to wear______ - ANSWER-Protective eyewear, side shields
,2|Page
Why are barriers used on surfaces? - ANSWER-Some surfaces
are difficult to disinfect/clean (A/W syringe, hoses)
How often are surfaces covered with barriers disinfected? -
ANSWER-Beginning of day, when contaminated during barrier
removal, end of day
4 surfaces in operatory that should be covered by barriers -
ANSWER-Chair, keyboard, light handle, tray
Items that touch oral mucosa but do not penetrate the body are
classified as - ANSWER-semi-critical items
How are critical and semi-critical items handled? - ANSWER-fully
sterilized
Mouth mirror is an example of that type of item - ANSWER-semi-
critical
,3|Page
What should be done prior to DISINFECTING environmental
surfaces - ANSWER-pre-clean, spray-wipe-spray or wipe-discard-
wipe
What product level is approved for surface and equipment
disinfection? - ANSWER-intermediate level
what organism must an intermediate level disinfectant kill -
ANSWER-tuberculosis
how long must surfaces remain wet when disinfecting - ANSWER-
10 min
Amount of time it takes for biofilm to form in a new dental unit -
ANSWER-5 days
How long are waterlines flushed at start of each day and in
between pt's? - ANSWER-2-3 mins at start of each day, 20-30
seconds in between patients
, 4|Page
At CCCC when is water system shocked with Sterilex? -
ANSWER-after long breaks, after unit fails water test
At CCCC how are waterlines maintained daily? - ANSWER-Use 1
ICX tablet in bottle water, flush 2-3 mins at start of day, flush 20-
30 secs between pt's
At CCCC when are waterlines purged? - ANSWER-At end of
semester or before a long break
When are HVE and vacuum lines cleaned? - ANSWER-end of
each day with enzymax cleaner
Where are ext teeth disposed of? - ANSWER-sharps container
Microbes that grow in presence or absence of oxygen -
ANSWER-facultative microbes
