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Local Anesthesia Chapter 4
Terms in this set (20)
The activity of the sympathetic autonomic nervous system neurotransmitters are terminated mainly by:
Re-uptake by adrenergic nerves
Which of the following is a sign of an epinephrine toxicity?
The maximum recommended dose of epinephrine per appointment for a patient with ischemic heart disease is?
Epinephrine should be avoided in patients with:
-Myocardial infarction or stroke with the prior 6 months
Epinephrine is used for:
An effect of epinephrine used in dentistry is to:
Increase vasoconstriction and slow bleeding
Which of the following is a systemic effect of vasoconstrictors used with LA?
-Increased diastolic blood pressure
-Increased systolic blood pressure
Vasoconstrictors are added to local anesthetics to:
-Counteract the vasodilatory effects of LA
-Decrease possibility of an anesthetic overdose
Which of the following is the preservative added to LA solutions containing epinephrine to prevent its oxidation?
There is no difference in pain control when using a 1:50,000 or 1:100,000 concentration of epinephrine.
Epinephrine causes direct stimulation of which of the following adrenergic receptors resulting in cardiac stimulation?
Which of the following vasoconstrictor can safely be administered to a patient with uncontrolled hyperthyroidism?
The half-life of epinephrine is approximately:
What is a 1:1000 concentration of epinephrine used for?
Levonordefrin is added to which of the following local anesthetics?
Vasoconstrictor drugs are also known as:
Epinephrine and norepinephrine are endogenous hormones excreted by:
Which adrenergic receptor causes epinephrine to have inhibitory actions that cause vasodilation and bronchodilation?
Which of the following concentrations is the most diluted?
Signs and symptoms of a vasoconstrictor overdose manifests itself as:
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