CDCA Local Anesthesia Exam WITH THE
CORRECT ANSWERS
Computer Bcontrolled Blocal Banesthetic Bdelivery Bsystem B(C-CLAD) B- B Bcorrect
Banswer- B BLocal Banesthesia Bsystem Bwhere Bthe Bsyringe Bis Bheld Blike Ba Bpen Band
Bthe Bdrug Bis Bdelivered Bat Ba Bpre-programmed Bflow
Prevents Bdiscomfort Bfrom Brapid Bdelivery Brate
T/F BHarpoons Bcan Bbecome Bdull Bafter Brepeated Buse B- B Bcorrect Banswer- B BTrue, Ba
Bdull Bharpoon Bincreases Bchance Bof Bdisengagement Bwhen Bthe Bthumb Bring Bis
Bpulled Bback Bduring Baspiration
Threaded Bhub B- B Bcorrect Banswer- B Bthreaded Bcomponent Bthat Battaches Bthe
Bneedle Bto Bthe Bsyringe
How Bto Bcare Bfor Bsyringes B- B Bcorrect Banswer- B BAutoclave Bafter Beach Buse
After B5 Bautoclave Bcycles, Bthe Bsyringe Bshould Bbe Bdisassembled Band Blubricated Bon
Ball Bthreated Bjoints
The Bharpoon Bshould Bbe Bcleaned Bwith Ba Bbrush Bafter Beach Buse
, T/F? BThe Bgreater Bthe Bangle Bof Bthe Bbevel, Bthe Bgreater Bthe Bdegree Bof Bdeflection
B- B Bcorrect Banswer- B BTrue
Needle Bgauge Bcolor Bcoordination B- B Bcorrect Banswer- B B25 Bgauge: Bred B(largest
Bdiameter)
27 Bgauge: Byellow
30 Bgauge: Bblue B(smallest Bdiameter)
Advantages Bof Busing Bsmaller Bgauge Bneedles B(large Bdiameter) B- B Bcorrect Banswer-
B BLess Bdeflection Bof Bneedle Bas Bit Bpasses Bthrough Bsoft Btissue
More Bresistant Bto Bbreakage B
More Baccurate Baspiration Bof Bblood, Bsmaller Bgauge B(larger Bdiameter) Bneedles Bare
Brecommended Bwith Binjections Bin Bhighly Bvascular Bareas B(IA, BPSA, Bmental/incisive
Bnerve Bblock)
Needle Blengths B- B Bcorrect Banswer- B BLong: B30-35 Bmm B(average: B32 Bmm)
Short: B20-25 Bmm B(average: B20mm)
Ultra-short: B10-12mm B(average: B12mm) Bonly Bavailable Bin B30 Bgauge B(smaller
Bdiameter)
What Bis Bthe Bmain Bcause Bof Bneedlestick Binjuries? B- B Bcorrect Banswer- B Bpatient
Bmovement
Needle Bbarb B- B Bcorrect Banswer- B Ba Bfishhook Blike Bbarb Bat Bthe Btip Bof Ba Bneedle
Bcan Bcause Bdiscomfort Bwhen Bthe Bneedle Bis Bwithdrawn
if Ba Bbarb Bis Bpresent, Bchange Bthe Bneedle
barbs Bcan Boccur Bwhen Bthe Bneedle Btouches Bbone
barbs Bcan Bbe Bdetected Bby Blightly Bdragging Bthe Bneedle Bacross Ba Bsterile Bgauze. BIf
Ba Bbarb Bis Bpresent, Bthe Bgauze Bwill B"catch"
T/F? BPressure Bcan Bshatter Ba Bcartridge B- B Bcorrect Banswer- B BTrue
If Bthis Boccurs, Bsuction Bthe Bpatients Bmouth Bthoroughly Band Breport Bthe Bincident
The Bthin Bmylar Bplastic Blabel Bon Bthe Boutside Bof Bthe Bcartridge Breduces Bthe
Bincidence Bof Bit Bshattering B
Hitting Bthe Bthumb Bring Bwhen Bengaging Bthe Bharpoon Binto Bthe Bstopper Bmay Bput
Bpressure Bon Bthe Bneck Bof Bthe Bcartridge, Bwhich Bis Bthe Bweakest Bpart Bof Bthe
Bcartridge
How Bmuch Banesthetic Bis Ba Bstopper Bfull? B- B Bcorrect Banswer- B B0.2 Bml
What Bindicates Bthat Bthe Bcartridge Bhas Bbeen Bfrozen Bor Bthat Bother Bliquid Bhas
Bbeen Bdiffused Binto Bthe Bcartridge? B- B Bcorrect Banswer- B Ban Bextended Bstopper,
Bdiscard
Diaphragm B- B Bcorrect Banswer- B Bthin Bsemipermeable Bmembrane Bthrough Bwhich
Bthe Bneedle Bpenetrates
CORRECT ANSWERS
Computer Bcontrolled Blocal Banesthetic Bdelivery Bsystem B(C-CLAD) B- B Bcorrect
Banswer- B BLocal Banesthesia Bsystem Bwhere Bthe Bsyringe Bis Bheld Blike Ba Bpen Band
Bthe Bdrug Bis Bdelivered Bat Ba Bpre-programmed Bflow
Prevents Bdiscomfort Bfrom Brapid Bdelivery Brate
T/F BHarpoons Bcan Bbecome Bdull Bafter Brepeated Buse B- B Bcorrect Banswer- B BTrue, Ba
Bdull Bharpoon Bincreases Bchance Bof Bdisengagement Bwhen Bthe Bthumb Bring Bis
Bpulled Bback Bduring Baspiration
Threaded Bhub B- B Bcorrect Banswer- B Bthreaded Bcomponent Bthat Battaches Bthe
Bneedle Bto Bthe Bsyringe
How Bto Bcare Bfor Bsyringes B- B Bcorrect Banswer- B BAutoclave Bafter Beach Buse
After B5 Bautoclave Bcycles, Bthe Bsyringe Bshould Bbe Bdisassembled Band Blubricated Bon
Ball Bthreated Bjoints
The Bharpoon Bshould Bbe Bcleaned Bwith Ba Bbrush Bafter Beach Buse
, T/F? BThe Bgreater Bthe Bangle Bof Bthe Bbevel, Bthe Bgreater Bthe Bdegree Bof Bdeflection
B- B Bcorrect Banswer- B BTrue
Needle Bgauge Bcolor Bcoordination B- B Bcorrect Banswer- B B25 Bgauge: Bred B(largest
Bdiameter)
27 Bgauge: Byellow
30 Bgauge: Bblue B(smallest Bdiameter)
Advantages Bof Busing Bsmaller Bgauge Bneedles B(large Bdiameter) B- B Bcorrect Banswer-
B BLess Bdeflection Bof Bneedle Bas Bit Bpasses Bthrough Bsoft Btissue
More Bresistant Bto Bbreakage B
More Baccurate Baspiration Bof Bblood, Bsmaller Bgauge B(larger Bdiameter) Bneedles Bare
Brecommended Bwith Binjections Bin Bhighly Bvascular Bareas B(IA, BPSA, Bmental/incisive
Bnerve Bblock)
Needle Blengths B- B Bcorrect Banswer- B BLong: B30-35 Bmm B(average: B32 Bmm)
Short: B20-25 Bmm B(average: B20mm)
Ultra-short: B10-12mm B(average: B12mm) Bonly Bavailable Bin B30 Bgauge B(smaller
Bdiameter)
What Bis Bthe Bmain Bcause Bof Bneedlestick Binjuries? B- B Bcorrect Banswer- B Bpatient
Bmovement
Needle Bbarb B- B Bcorrect Banswer- B Ba Bfishhook Blike Bbarb Bat Bthe Btip Bof Ba Bneedle
Bcan Bcause Bdiscomfort Bwhen Bthe Bneedle Bis Bwithdrawn
if Ba Bbarb Bis Bpresent, Bchange Bthe Bneedle
barbs Bcan Boccur Bwhen Bthe Bneedle Btouches Bbone
barbs Bcan Bbe Bdetected Bby Blightly Bdragging Bthe Bneedle Bacross Ba Bsterile Bgauze. BIf
Ba Bbarb Bis Bpresent, Bthe Bgauze Bwill B"catch"
T/F? BPressure Bcan Bshatter Ba Bcartridge B- B Bcorrect Banswer- B BTrue
If Bthis Boccurs, Bsuction Bthe Bpatients Bmouth Bthoroughly Band Breport Bthe Bincident
The Bthin Bmylar Bplastic Blabel Bon Bthe Boutside Bof Bthe Bcartridge Breduces Bthe
Bincidence Bof Bit Bshattering B
Hitting Bthe Bthumb Bring Bwhen Bengaging Bthe Bharpoon Binto Bthe Bstopper Bmay Bput
Bpressure Bon Bthe Bneck Bof Bthe Bcartridge, Bwhich Bis Bthe Bweakest Bpart Bof Bthe
Bcartridge
How Bmuch Banesthetic Bis Ba Bstopper Bfull? B- B Bcorrect Banswer- B B0.2 Bml
What Bindicates Bthat Bthe Bcartridge Bhas Bbeen Bfrozen Bor Bthat Bother Bliquid Bhas
Bbeen Bdiffused Binto Bthe Bcartridge? B- B Bcorrect Banswer- B Ban Bextended Bstopper,
Bdiscard
Diaphragm B- B Bcorrect Banswer- B Bthin Bsemipermeable Bmembrane Bthrough Bwhich
Bthe Bneedle Bpenetrates
