QUERSTIONS AND ANSWERS
When Ta Tnerve Tis Tin Tits Tresting Tstate, Tthe: T- TAnswer T- TNa+ Tis Tconcentrated Toutside Tthe Tcell
Which Tof Tthe Tfollowing Tmaintains Tthe Tresting Tpotential Tof Ta Tnerve Tfiber? T- TAnswer T- TThe TNa+ Tpump
Select Tthe Tfollowing Tanesthetic(s) Tavailable Tin Tthe TUS Tthat Tis(are) Tformulated Twith Tepinephrine
T1:200,000
A. TLidocaine
B. TMepivacaine
C. TPrilocaine
D. TArticaine
E. TC Tand TD T- TAnswer T- TC Tand TD
Which Tof Tthe Tfollowing Tanesthetics Thas Tthe Tshortest Tduration Twhen Tadministering Ta Tlocal Tanesthetic
Tblock? T- TAnswer T- TMepivacaine T3%
Levonordefrin Thas Thow Tmany Tmg/mL Tof Tvasoconstrictor? T- TAnswer T- T0.05 Tmg/mL
How Tmuch Tepinephrine Tdoes Ta T1:200,000 Tdilution Tcontain Tcompared Twith Ta T1:100,000 Tdilution? T-
TAnswer T- THalf
What Tis Tthe Tcardiac Tdose Tfor Tepinephrine? T- TAnswer T- T0.04 Tmg
How Tmany Tcartridges Tcould Ta Tpatient Tfrom Tthe Tanswer Tin Tquestion T#7 Tsafely Treceive Tif Tadministering Ta
T1:200,000 Tepinephrine Tdilution? T- TAnswer T- T4.4 Tcartridges
What Tis Tthe Tprimary Treason Tthat Tcatecholamines Tare Tadded Tto Tlocal Tanesthetic Tsolutions? T- TAnswer T-
TDecrease Tthe Trisk Tof Ttoxicity
Sodium Tbicarbonate Tis Tadded Tto Tlocal Tanesthetic Tsolutions: T- TAnswer T- TTo Thelp Tincrease Tthe TpH Tof Tthe
Tanesthetic.
How Tmany Tmg Tof Tepinephrine Tare Tin Tone Tcartridge Tof Ta T1:100,000 Tdilution? T- TAnswer T- T0.018 Tmg
During Tthe Tinferior Talveolar Tblock Tthe Tpatient Tfeels Ta Tsudden Telectrical Tshock. TThis Tis Tdue Tto: T- TAnswer
T- Tthe Tneedle Ttouching Tthe Tlingual Tnerve.
Supraperiosteal Tinjections Tare Tless Tsuccessful Ton Tthe Tmandible Tbecause Tof Tthe T- TAnswer T- Tdensity Tof
Tthe Tbone Tof Tthe Tmandible.
, Which Tof Tthe Tfollowing Tvasoconstrictor Tdilutions Tprovides Tthe Tgreatest Themostasis? T- TAnswer T-
T1:50,000 Tepinephrine
After Tthe Tadministration Tof Ta Tlocal Tanesthetic, Twhat Tcauses Ta Tdroopy Teyelid? T- TAnswer T- TDepositing
Tthe Tsolution Tin Tthe Tparotid Tgland.
Which Tanesthetic Tis Tprimarily Tmetabolized Tin Tthe Tblood? T- TAnswer T- TArticaine
What Tis Tthe Trecommended Tneedle Tgauge Tfor Tan Tinferior Talveolar Tblock? T- TAnswer T- T25 Tgauge
Esters Tare Tmetabolized Tby T- TAnswer T- Tplasma
Amides Tare Tmetabolized Tby T- TAnswer T- Tliver
The Tdental Thygienist Tsuccessfully Tadministers Tan Tinferior Talveolar Tblock, Tbut Tthe Tpatient Tdoes Tnot Tget
Tnumb. TWhat Tis Tthe Tpossible Treason Twhy Tthe Tpatient Tdoes Tnot Tget Tnumb? T- TAnswer T- TSolution
Tdeposited Tinferior Tto Tthe Tmandibular Tforamen
Prolonged Tparasthesia Tof Tthe Tanterior Tpart Tof Tthe Ttongue Tis Tcaused Tby Twhich Tnerve Tbeing
Ttraumatized? T- TAnswer T- TLingual Tnerve
What Tis Tthe Tmain Treason Tanesthesia Tfails Tto Toccur Tnear Tan Tabscessed Ttooth? T- TAnswer T- TInfection
Tcauses Ta Tdecrease Tin Tthe TpH Tof Tthe Ttissue
Which Tof Tthe Tfollowing Tlocal Tanesthetics Twill Tprovide Tthe Tlongest Tduration Tof Taction Tfollowing Ta Tnerve
Tblock Twhen Ta Tvasoconstrictor Tis Tabsolutely Tcontraindicated? T- TAnswer T- T4% Tprilocaine, Tpain
Which Tof Tthe Tfollowing Tnerves Twhen Tanesthetized Tprovides Tsoft Ttissue Tanesthesia Tof Tthe Tlower Tlip Tand
Tchin? T- TAnswer T- Tmental Tnerve
At Tthe Tfirst Tindication Tof Ta Thematoma, Tthe Tclinician Tshould: T- TAnswer T- Tapple Tpressure Tto Tthe Tarea
What Tis Tthe Tbest Texplanation Tas Tto Twhy Ta Tpatient Thas Ta Tlesion Ton This Tor Ther Tlip Tthe Tday Tafter Treceiving
Tan Tinferior Talveolar Tblock? T- TAnswer T- Tself-mutilation
Local Tanesthetics Twork Tby Tpenetrating Tthe Tnerve Tto Tinhibit: T- TAnswer T- TNa+ Tefflux
The Tcoronoid Tnotch Tis Ta Tlandmark Tfor Twhich Tnerve Tblock? T- TAnswer T- TInferior Talveolar Tblock
When Tenergy Tfor Tconduction Tis Tderived Tfrom Tthe Tnerve Tcell Tmembrane Titself Tand Tis Tno Tlonger
Tdependent Ton Tthe Tstimulus Tfor Tcontinuance, Tthe Tconduction Tis Tconsidered Tto Tbe: T- TAnswer T- Tself-
propagating
Which Tcharacteristic Tenhances Tthe Tonset Tand Teffectiveness Tof Tlocal Tanesthetics? T- TAnswer T- Thigh Tlipid
Tsolubility
What Tis Ttachyphylaxis? T- TAnswer T- TIncreased Ttolerance Tto Ta Tdrug Tthat Tis Tadministered Trepeatedly
Signs Tand Tsymptons Tof Ta Tvasoconstrictor Toverdose Tare Tmanifested Tas: T- TAnswer T- TCNS Tstimulation
What Tpart Tof Tthe Tsyringe Tindicates Tit Tis Tan Taspirating Tsyringe? T- TAnswer T- THarpoon
A Tbarbed Tneedle Tcauses Tpain Tupon: T- TAnswer T- Twithdrawal