FLORIDA DENTAL HYGIENE LAWS & RULES (CH. 466, 456 &
64B5 F.A.C.) – COMPLETE 200-QUESTION EXAM REVIEW WITH
CORRECT ANSWERS AND RATIONALES
1. According to Florida law, sterilization is defined as:
A) The destruction of most pathogenic bacteria
B) The process by which all forms of microbial life within an
environment are totally destroyed
C) The inhibition of bacterial growth
D) The removal of visible debris from instruments
Correct Answer: B – Florida Administrative Code 64B5-25.002 defines
sterilization as the process by which all forms of microbial life within an
environment are totally destroyed.
2. How often must sterilizers have their efficacy verified by
appropriate biological monitoring?
A) Every 20 hours of use or at least once every 15 days
B) Every 40 hours (2400 minutes) of use or at least once every 30 days,
whichever comes first
C) Every 50 hours of use or at least once every 45 days
D) Every 60 hours of use or at least once every 60 days
Correct Answer: B – Adequacy of steam under pressure or chemical
vapor sterilization must be verified by biological monitoring at least
,once every 40 hours (2400 minutes) of use or at least once every thirty
days, whichever comes first.
3. Disinfection is best described as:
A) The complete destruction of all microbial life
B) The destruction or inhibition of most pathogenic bacteria while in
active growth phase and inactivation of some viruses
C) The removal of all organic matter from instruments
D) The process of killing all spores
Correct Answer: B – Disinfection involves the destruction or inhibition
of most pathogenic bacteria during active growth phase and the
inactivation of some viruses.
4. How long should heat-sensitive instruments be left in cold sterile
solution?
A) At least 2 hours
B) At least 5 hours
C) At least 8 hours
D) At least 10 hours
Correct Answer: D – Heat-sensitive instruments must be soaked in cold
sterile solution for at least 10 hours.
5. Before sterilization, instruments must be:
A) Disinfected only
B) Cleaned to remove debris
,C) Dried completely
D) Wrapped in paper
Correct Answer: B – Instruments must be cleaned to remove debris
before sterilization, such as by scrubbing with soap or detergent and
water or using an ultrasonic cleaner.
6. Which of the following is NOT an acceptable method for cleaning
instruments before sterilization?
A) Scrubbing with soap and water
B) Ultrasonic cleaner
C) Chemical vapor sterilization
D) Detergent and water scrubbing
Correct Answer: C – Chemical vapor sterilization is a sterilization
method, not a cleaning method. Cleaning before sterilization involves
scrubbing with soap or detergent and water or using an ultrasonic
cleaner.
7. How many years of clinical experience must dentists/hygienists
have prior to appointment on the Board of Dentistry (BOD)?
A) At least 3 years
B) At least 5 years
C) At least 7 years
D) At least 10 years
Correct Answer: B – Dentists and hygienists must have at least 5 years
of clinical experience preceding the appointment on the Board of
Dentistry.
, 8. Must board members remain in clinical practice while serving on
the Board of Dentistry?
A) No, they may leave practice
B) Yes, they must remain in clinical practice
C) Only if they are dentists
D) Only for the first term
Correct Answer: B – Board members must remain in clinical practice
while serving on the Board of Dentistry.
9. How many years does a dental hygiene board member serve per
term?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Correct Answer: C – Dental hygiene board members serve 4-year terms.
10. What is the maximum number of years a board member may
serve?
A) 6 years
B) 8 years
C) 10 years
D) 12 years
64B5 F.A.C.) – COMPLETE 200-QUESTION EXAM REVIEW WITH
CORRECT ANSWERS AND RATIONALES
1. According to Florida law, sterilization is defined as:
A) The destruction of most pathogenic bacteria
B) The process by which all forms of microbial life within an
environment are totally destroyed
C) The inhibition of bacterial growth
D) The removal of visible debris from instruments
Correct Answer: B – Florida Administrative Code 64B5-25.002 defines
sterilization as the process by which all forms of microbial life within an
environment are totally destroyed.
2. How often must sterilizers have their efficacy verified by
appropriate biological monitoring?
A) Every 20 hours of use or at least once every 15 days
B) Every 40 hours (2400 minutes) of use or at least once every 30 days,
whichever comes first
C) Every 50 hours of use or at least once every 45 days
D) Every 60 hours of use or at least once every 60 days
Correct Answer: B – Adequacy of steam under pressure or chemical
vapor sterilization must be verified by biological monitoring at least
,once every 40 hours (2400 minutes) of use or at least once every thirty
days, whichever comes first.
3. Disinfection is best described as:
A) The complete destruction of all microbial life
B) The destruction or inhibition of most pathogenic bacteria while in
active growth phase and inactivation of some viruses
C) The removal of all organic matter from instruments
D) The process of killing all spores
Correct Answer: B – Disinfection involves the destruction or inhibition
of most pathogenic bacteria during active growth phase and the
inactivation of some viruses.
4. How long should heat-sensitive instruments be left in cold sterile
solution?
A) At least 2 hours
B) At least 5 hours
C) At least 8 hours
D) At least 10 hours
Correct Answer: D – Heat-sensitive instruments must be soaked in cold
sterile solution for at least 10 hours.
5. Before sterilization, instruments must be:
A) Disinfected only
B) Cleaned to remove debris
,C) Dried completely
D) Wrapped in paper
Correct Answer: B – Instruments must be cleaned to remove debris
before sterilization, such as by scrubbing with soap or detergent and
water or using an ultrasonic cleaner.
6. Which of the following is NOT an acceptable method for cleaning
instruments before sterilization?
A) Scrubbing with soap and water
B) Ultrasonic cleaner
C) Chemical vapor sterilization
D) Detergent and water scrubbing
Correct Answer: C – Chemical vapor sterilization is a sterilization
method, not a cleaning method. Cleaning before sterilization involves
scrubbing with soap or detergent and water or using an ultrasonic
cleaner.
7. How many years of clinical experience must dentists/hygienists
have prior to appointment on the Board of Dentistry (BOD)?
A) At least 3 years
B) At least 5 years
C) At least 7 years
D) At least 10 years
Correct Answer: B – Dentists and hygienists must have at least 5 years
of clinical experience preceding the appointment on the Board of
Dentistry.
, 8. Must board members remain in clinical practice while serving on
the Board of Dentistry?
A) No, they may leave practice
B) Yes, they must remain in clinical practice
C) Only if they are dentists
D) Only for the first term
Correct Answer: B – Board members must remain in clinical practice
while serving on the Board of Dentistry.
9. How many years does a dental hygiene board member serve per
term?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Correct Answer: C – Dental hygiene board members serve 4-year terms.
10. What is the maximum number of years a board member may
serve?
A) 6 years
B) 8 years
C) 10 years
D) 12 years
