A patient is a controlled hypertensive taking a propranolol (Inderal). The patient requires extraction of the maxillary first molar. Which of the following statements pertains to this patient regarding administration of a local anesthetic?
a. It is safe to administer mepivicaine 2% with levonordefrin.
b. Initially administer three cartridges of mepivicaine 3% plain followed by mepivicaine 2% with levonordefrin.
c. The maximum amount of lidocaine 2% and 1:50,000 epinephrine is two cartridges.
d. The maximum amount of lidocaine 2% and 1:100,000 epinephrine is two cartridges.
d. Propranolol is a nonselective ß-blocker so there is concern with the amount of epinephrine used. Limit EPI doses to 0.04 mg or 2 cartridges of 1:100,000.
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Disease-causing agents are called:
A. venoms. C. pathogens. B. toxemias. D. amoebas.
Situations that require immediate attention to avoid the loss of life or limb are:
critical. emergencies. urgent. terminal.
When irrigating the eye, hold the syringe ________ inch from the eye.
A. 1/4 B. 1/2 C. 3/4 D. 1
In the following variable expression, identify the terms that are similar to 2x.2xy + 7x- 2 + 4y + 9x
What will be an ideal response?