The cationic form of a local anesthetic is needed to penetrate the nerve membrane, and the free base form exerts blocking action by binding to the specific receptor site.
A) Both parts of the statement are true.
B) Both parts of the statement are false.
C) The first part of the statement is true; the second part is false.
D) The first part of the statement is false; the second part is true.
Correct Answer:
Verified
Q2: In the presence of an acidic environment,such
Q4: Which portion of the chemical structure of
Q6: Epinephrine is combined with local anesthetics so
Q7: The maximal safe dose of lidocaine 2%
Q8: Reducing the rate of systemic absorption of
Q9: The correct ADA color code for lidocaine
Q10: Repolarization of a nerve occurs by:
A) influx
Q11: Local anesthetics cross
A)the placenta and blood-brain barrier.
B)the
Q14: Which nerve function is the most sensitive
Q18: Which of the following local anesthetics is
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