NBDHE Pharmacology Exam 2025 | National Board
Dental Hygiene Examination (NBDHE) | Dental
Hygiene | Dentistry | Questions and Correct
Answers | Just Released
What LA has the shorted duration? ---------CORRECT ANSWER-----------------
mepivicaine
What anesthetic is safe in pregnancy? ---------CORRECT ANSWER-----------------
lidocaine
What is the most common LA in dentistry? ---------CORRECT ANSWER-----------------
lidocaine
What is the MRD for lidocaine? ---------CORRECT ANSWER-----------------3mg/lb.
max of 500mg
MRD for epi in a healthy individual ---------CORRECT ANSWER-----------------.2mg
,MRD for Epi in an immunocomp individual ---------CORRECT ANSWER-----------------
.04mg (about 2 cartridges)
T/F epi is contraindicated in a pt with controlled hypertension ---------CORRECT
ANSWER-----------------false.
What LA is 4% (compared to the typical 2%) ---------CORRECT ANSWER----------------
-articaine
One 2% lido carpule has how many milligrams of lidocaine? ---------CORRECT
ANSWER-----------------36mg
How many mg of epi in a 1:100,000 lido/epi carpule? ---------CORRECT ANSWER----
-------------0.018mg
How is maximum carp dose calculated? ---------CORRECT ANSWER-----------------
weight x 3mg/lb= # milligrams
#milligrams / 36mg in a carp= # of carps for pt
,What La should be avoided in patients with anemia and taking acetaminophen? --
-------CORRECT ANSWER-----------------prilocaine (citanest)
What is affected by no2? ---------CORRECT ANSWER-----------------the CNS
Is asthma a contraindication for no2? ---------CORRECT ANSWER-----------------NO
What is contraindicated when a patient is taking lithium? ---------CORRECT
ANSWER-----------------Nsaids such as ibuprofen
Common oral side effect of antidepressants ---------CORRECT ANSWER----------------
-xerostomia
What Gi side effect is related to aspirin? ---------CORRECT ANSWER-----------------
ulcers
What % of patients have an allergy to aspirin? what patients are more at risk? -----
----CORRECT ANSWER-----------------15%, asthma patients
, What dangerous syndrome is found in children with the flu or chic pox who take
aspirin? ---------CORRECT ANSWER-----------------Reyes syndrome
What may happen at high doses of aspirin? ---------CORRECT ANSWER-----------------
tinnitus
Brand name acetaminophen ---------CORRECT ANSWER-----------------Tylenol
Effects of acetaminophen ---------CORRECT ANSWER-----------------Analgesic
Antipyretic
What does Tylenol not do? ---------CORRECT ANSWER-----------------It is not anti-
inflammatory
Adverse effects of Tylenol ---------CORRECT ANSWER-----------------Hepatoxicity
Analgesic drug of choice for children ---------CORRECT ANSWER-----------------
Tylenol
Dental Hygiene Examination (NBDHE) | Dental
Hygiene | Dentistry | Questions and Correct
Answers | Just Released
What LA has the shorted duration? ---------CORRECT ANSWER-----------------
mepivicaine
What anesthetic is safe in pregnancy? ---------CORRECT ANSWER-----------------
lidocaine
What is the most common LA in dentistry? ---------CORRECT ANSWER-----------------
lidocaine
What is the MRD for lidocaine? ---------CORRECT ANSWER-----------------3mg/lb.
max of 500mg
MRD for epi in a healthy individual ---------CORRECT ANSWER-----------------.2mg
,MRD for Epi in an immunocomp individual ---------CORRECT ANSWER-----------------
.04mg (about 2 cartridges)
T/F epi is contraindicated in a pt with controlled hypertension ---------CORRECT
ANSWER-----------------false.
What LA is 4% (compared to the typical 2%) ---------CORRECT ANSWER----------------
-articaine
One 2% lido carpule has how many milligrams of lidocaine? ---------CORRECT
ANSWER-----------------36mg
How many mg of epi in a 1:100,000 lido/epi carpule? ---------CORRECT ANSWER----
-------------0.018mg
How is maximum carp dose calculated? ---------CORRECT ANSWER-----------------
weight x 3mg/lb= # milligrams
#milligrams / 36mg in a carp= # of carps for pt
,What La should be avoided in patients with anemia and taking acetaminophen? --
-------CORRECT ANSWER-----------------prilocaine (citanest)
What is affected by no2? ---------CORRECT ANSWER-----------------the CNS
Is asthma a contraindication for no2? ---------CORRECT ANSWER-----------------NO
What is contraindicated when a patient is taking lithium? ---------CORRECT
ANSWER-----------------Nsaids such as ibuprofen
Common oral side effect of antidepressants ---------CORRECT ANSWER----------------
-xerostomia
What Gi side effect is related to aspirin? ---------CORRECT ANSWER-----------------
ulcers
What % of patients have an allergy to aspirin? what patients are more at risk? -----
----CORRECT ANSWER-----------------15%, asthma patients
, What dangerous syndrome is found in children with the flu or chic pox who take
aspirin? ---------CORRECT ANSWER-----------------Reyes syndrome
What may happen at high doses of aspirin? ---------CORRECT ANSWER-----------------
tinnitus
Brand name acetaminophen ---------CORRECT ANSWER-----------------Tylenol
Effects of acetaminophen ---------CORRECT ANSWER-----------------Analgesic
Antipyretic
What does Tylenol not do? ---------CORRECT ANSWER-----------------It is not anti-
inflammatory
Adverse effects of Tylenol ---------CORRECT ANSWER-----------------Hepatoxicity
Analgesic drug of choice for children ---------CORRECT ANSWER-----------------
Tylenol
