DHE 227 Chapters 10 & 11 Patient Assessments and Fundamentals for Administration of Local Anesthetic
What needs to happen following a positive aspiration when a small wormlike thread enters the cartridge?
Reposition the syringe away from the area of the positive aspiration, and deposit solution following a negative aspiration.
An injection that deposits anesthetic solution near a major nerve trunk is called?
a nerve block injection
What is the anesthetic drug of choice for a patient with liver dysfunction because only 5 to 10% is metabolized in the liver?
articaine
According to the 207 American Heart Association guidelines, which of the following does require antibiotics premedication for the prevention of infective endocarditis?
congenital heart disease, previous endocarditis, and prosthetic heart valve
What local anesthetic is a relative contraindication for patients with compromised liver function
lidocaine
Following a myocardial infarction, what is the current guideline recommended when considering elective dental treatment?
minimum of 4 weeks delay, following appropriate consultation and risk analysis
Which of the following describes the penetration site?
needle pierces mucosa
What is the most stable position when using a syringe?
palm-up
Epinephrine is an absolute contraindication for which patients?
poorly controlled or uncontrolled hyperthyroidism
What is the most important safety step following an injection
recapping the needle with a one-handed technique
What should be done if positive aspirations continue at the injection site?
rescheduling should be considered
The two most important safety steps during an injection are what?
slow administration and aspiration
What is the MRD of epinephrine for patient in category ASA III with cardiovascular disease?
0.04mg
Following a CVA, TIA, RIND, how long should elective dental treatment be delayed?
1 to 6 months following appropriate consultation and risk analysis
What is the minimum recommended rate of injection?
1.8 ml per minute
A field block injection is also called
A superperiosteal injection
What is a drug that is an absolute contraindication for patients with bisulfite sensitivity?
All injectable local anesthetics with vasoconstrictors
An injection technique that deposits anesthetic solution near terminal nerve endings is called?
An infiltration injection
Local anesthetic are what kind of depressants and should be used with caution when patients have taken large doses of narcotics?
CNS
For uncontrolled diabetic patient, which factor is the most critical to consider when planning to use a local anesthetic with epinephrine?
Cardiac compromise
What is a sign and symptom of methemoglobinemia?
Gray cyanosis of mucous membranes, lips and nail beds
According to the 207 American Heart Association guidelines, which of the following does NOT require antibiotics premedication for the prevention of infective endocarditis?
Hemophilia
What would not be a reason why a patient would need to limit the dose of vasoconstrictor?
Patient with cardiovascular disease and controlled hyperthyroidism
Which statement describes the correct positioning of the long window of the syringe?
Toward the clinician to permit visibility throughout the injection
Atypical cholinesterase is a relative contraindication to what type of anesthetics?
ester-type
Epinephrine is contraindicated in a patient with:
uncontrolled hyperthyroidism
