GCSC DH Pharmacology Test 3 Questions With
Correct Answers
All |of |the |following |are |characteristics |of |the |ideal |local |anesthetic |EXCEPT: |- |CORRECT |
ANSWER✔✔-slow |onset
Reducing |the |rate |of |systemic |absorption |of |a |local |anesthetic |is |important |when |it |is |used |in |
dentistry |because |- |CORRECT |ANSWER✔✔-the |chance |of |systemic |toxicity |is |reduced
Addition |of |vasoconstrictor |to |local |anesthetic |(1) |reduces |blood |supply |to |the |area, |(2) |
increases |blood |supply |to |the |area, |(3) |limits |systemic |absorption, |(4) |increases |systemic |
absorption, |(5) |reduces |systemic |toxicity, |and |(6) |increases |systemic |toxicity. |Which |of |these |
are |correct? |- |CORRECT |ANSWER✔✔-1, |3, |5
Local |anesthetics |cross: |- |CORRECT |ANSWER✔✔-the |placenta |and |the |blood-brain |barrier
Amide |local |anesthetics |are |metabolized: |- |CORRECT |ANSWER✔✔-primarily |by |the |liver
Procaine |(Novocaine) |is |metabolized |primarily |by |the: |- |CORRECT |ANSWER✔✔-plasma
Which |of |the |following |local |anesthetic |agents |have |the |potential |to |cause |
methemoglobinemia |(the |presence |of |methemoglobin |in |the |blood) |as |an |adverse |effect? |- |
CORRECT |ANSWER✔✔-prilocaine |and |articaine
The |maximal |safe |dose |of |lidocaine |2% |with |1:100000 |epi |is |approximately |____ |cartridges. |- |
CORRECT |ANSWER✔✔-8.5
, Which |of |the |following |local |anesthetics |is |safest |to |use |for |dental |treatment |for |a |pregnant |
woman? |- |CORRECT |ANSWER✔✔-lidocaine
Which |of |the |following |components |of |an |injected |amide |local |anesthetic |agent |may |produce |
a |hypersensitivity |reaction |that |exhibits |itself |as |an |acute |asthmatic |attack? |- |CORRECT |
ANSWER✔✔-the |antioxidant |for |the |vasoconstrictor
Epinephrine |is |combined |with |local |anesthetics |so |as |to: |- |CORRECT |ANSWER✔✔-prolong |
duration
Lidocaine |with |epi |1:100000 |provides |a |_____ |duration |of |pupal |anesthesia? |- |CORRECT |
ANSWER✔✔-60-90 |min
Levonordefrin |is |commonly |combined |with |which |local |anesthetic? |- |CORRECT |ANSWER✔✔-
Mepivacaine
Several |cases |of |methemoglobinemia |have |been |reported |after |the |use |of: |- |CORRECT |
ANSWER✔✔-Prilocaine
Which |of |the |following |local |anesthetics |has |the |longest |duration |of |action? |- |CORRECT |
ANSWER✔✔-Bupivicaine
_______ |is |an |ester |local |anesthetic. |- |CORRECT |ANSWER✔✔-Tetracaine |(Pontocaine)
All |amide |local |anesthetics |contain |an |"i" |in |the |name. |For |example, |lidocaine, |mepivacaine, |
prilocaine, |bupivacaine, |ropivacaine, |and |levo-bupivacaine |all |contain |an |"i" |before |the |"-
caine". |Esters |such |as |procaine, |chloroprocaine, |and |tetracaine |do |not |contain |an |"i" |before |
the |"-caine". |(Food |for |thought)
Correct Answers
All |of |the |following |are |characteristics |of |the |ideal |local |anesthetic |EXCEPT: |- |CORRECT |
ANSWER✔✔-slow |onset
Reducing |the |rate |of |systemic |absorption |of |a |local |anesthetic |is |important |when |it |is |used |in |
dentistry |because |- |CORRECT |ANSWER✔✔-the |chance |of |systemic |toxicity |is |reduced
Addition |of |vasoconstrictor |to |local |anesthetic |(1) |reduces |blood |supply |to |the |area, |(2) |
increases |blood |supply |to |the |area, |(3) |limits |systemic |absorption, |(4) |increases |systemic |
absorption, |(5) |reduces |systemic |toxicity, |and |(6) |increases |systemic |toxicity. |Which |of |these |
are |correct? |- |CORRECT |ANSWER✔✔-1, |3, |5
Local |anesthetics |cross: |- |CORRECT |ANSWER✔✔-the |placenta |and |the |blood-brain |barrier
Amide |local |anesthetics |are |metabolized: |- |CORRECT |ANSWER✔✔-primarily |by |the |liver
Procaine |(Novocaine) |is |metabolized |primarily |by |the: |- |CORRECT |ANSWER✔✔-plasma
Which |of |the |following |local |anesthetic |agents |have |the |potential |to |cause |
methemoglobinemia |(the |presence |of |methemoglobin |in |the |blood) |as |an |adverse |effect? |- |
CORRECT |ANSWER✔✔-prilocaine |and |articaine
The |maximal |safe |dose |of |lidocaine |2% |with |1:100000 |epi |is |approximately |____ |cartridges. |- |
CORRECT |ANSWER✔✔-8.5
, Which |of |the |following |local |anesthetics |is |safest |to |use |for |dental |treatment |for |a |pregnant |
woman? |- |CORRECT |ANSWER✔✔-lidocaine
Which |of |the |following |components |of |an |injected |amide |local |anesthetic |agent |may |produce |
a |hypersensitivity |reaction |that |exhibits |itself |as |an |acute |asthmatic |attack? |- |CORRECT |
ANSWER✔✔-the |antioxidant |for |the |vasoconstrictor
Epinephrine |is |combined |with |local |anesthetics |so |as |to: |- |CORRECT |ANSWER✔✔-prolong |
duration
Lidocaine |with |epi |1:100000 |provides |a |_____ |duration |of |pupal |anesthesia? |- |CORRECT |
ANSWER✔✔-60-90 |min
Levonordefrin |is |commonly |combined |with |which |local |anesthetic? |- |CORRECT |ANSWER✔✔-
Mepivacaine
Several |cases |of |methemoglobinemia |have |been |reported |after |the |use |of: |- |CORRECT |
ANSWER✔✔-Prilocaine
Which |of |the |following |local |anesthetics |has |the |longest |duration |of |action? |- |CORRECT |
ANSWER✔✔-Bupivicaine
_______ |is |an |ester |local |anesthetic. |- |CORRECT |ANSWER✔✔-Tetracaine |(Pontocaine)
All |amide |local |anesthetics |contain |an |"i" |in |the |name. |For |example, |lidocaine, |mepivacaine, |
prilocaine, |bupivacaine, |ropivacaine, |and |levo-bupivacaine |all |contain |an |"i" |before |the |"-
caine". |Esters |such |as |procaine, |chloroprocaine, |and |tetracaine |do |not |contain |an |"i" |before |
the |"-caine". |(Food |for |thought)
