chapter 8
The mechanism of action of nystatin involves binding to the:
enzymes in the nucleus of molds.
sterols in the fungal cell membrane.
50S ribosomal subunit of bacterial rRNA.
30S ribosomal subunit of bacterial rRNA.
sterols in the fungal cell membrane.
All of the following are characteristics of the ideal local anesthetic except:
sterilization by autoclave
slow onset
reversible
absence of local reactions
slow onset
According to Guedel's description of the stages and planes of anesthesia, the induction period refers to stage:
1
2
1, 2
1, 2, 3
none
1, 2
Antianxiety agents are most commonly orally administered because the effective dose of a particular antianxiety agent is very predictable.
T/T
F/F
T/F
F/T
T/F
Little Tommy comes into the office for his filling he weights 105 lbs. How many carps of Lidocaine 2% 1:100,000 can he have?
5.8 carps
Nystatin is used for both the treatment and the prevention of _____ in susceptible cases.
blastomycosis
histoplasmosis
oral candidiasis
tinea
oral candidiasis
Which of the following local anesthetic agents have the potential to cause methemoglobinemia as an adverse effect?
Prilocaine and lidocaine
lidocaine and mepivacaine
prilocaine and meivacaine
prilocaine and articaine
mepivacaine and articaine
septocaine and articaine
prilocaine and articaine
Recovery from a single intravenous dose of thiopental (sodium pentothal) is the result of:
drug excretion
drug redistribution
drug metabolism
enzyme induction
drug redistribution
The clinical effects of benzodiazepines in humans are _____ at lower doses.
drowsiness and sleep
drowsiness and anxiety reduction
anxiety reduction and panic reduction
anxiety reduction and sleep
anxiety reduction and panic reduction
How many carps is the max for Lidocaine 2% 1:50,000
5.5
Thrush is:
an allergic reaction.
an idiosyncrasy.
oropharyngeal candidiasis.
a serious systemic fungal infection.
oropharyngeal candidiasis
Which of the following statements is true of mepivacaine?
Cross-allergenicity has been demonstrated between mepivacaine and other currently
Mepivacaine is effective topically. available amides.
Mepivacaine can be used as a 3% solution without a vasoconstrictor.
The benefit of a shorter duration of anesthesia warrants eliminating the vasoconstrictor.
Mepivacaine can be used as a 3% solution without a vasoconstrictor.
Nitrous oxide combined with oxygen (N2O/O2) has become a primary part of dental office _____ procedures.
anxiety reduction
general anesthesia
sleep apea
brusixm
anxiety reduciton
hronic use of barbiturates can lead to _____ dependence.
both physical and psychologic
physical but not psychologic
psychologic but not physical
neither physical nor psychologic
both physical and psychologic
What is the generic name for Marcaine?
bupivicaine
Topical acyclovir:
will prevent the transmission of herpes labialis.
has been effective in the treatment of herpes labialis infections in nonimmunocompromised patients.
does not prevent the recurrence of herpes labialis.
Both a and b are correct.
Both b and c are correct.
does not prevent the recurrence of herpes labialis.
Prilocaine plain has a duration of action slightly _____ than mepivacaine plain, and prilocaine with epinephrine has a duration of action slightly _____ than lidocaine with epinephrine.
shorter, shorter
shorter, longer
longer, shorter
longer, longer
longer, longer
At the termination of a N2O/O2 sedation procedure, the patient should be placed on 100% oxygen for at least _____ minutes.
2
5
8
10
5
Anxiety control is only necessary for the first third of a dental appointment.
T/F
F
Are there bonus questions to this Exam?
yes.
Docosanol 10% has been shown to decrease healing time by about _____ in patients with recurrent orolabial herpes when started within 12 hours of the appearance of prodromal symptoms.
1/2 day
2 days
5 days
7-10 days
1/2 day
_____ is an ester local anesthetic.
Prilocaine (Citanest)
Tetracaine (Pontocaine)
Bupivacaine (Marcaine)
Bupivacaine (Marcaine)
Tetracaine (Pontocaine)
Approximately 15% of halothane is metabolized in the liver, and these metabolites have been suggested as a cause of renal damage.
T/T
F/T
T/F
F/F
T/T
Barbiturates have no significant analgesic effects.
T/F
T