The duration of the effect of a regional anesthetic depends on: a. Its chemical formulation b....
The duration of the effect of a regional anesthetic depends on:
a. Its chemical formulation
b. The patient’s age
c . The patient’s level of consciousness
d. The patient’s level of sedation
Homework Answers
Ans) a) Its chemical formulation
Explaination:
- The duration of action of local anesthetics can range from 30 minutes to 12 hours or more. The range depends on the location of the block (high blood supply equals shorter duration), the local anesthetic used, and its preparation (liposomal preparations create extended-release drugs).
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Local anesthetic therapeutic effect to block nerve conduction A. only happens if the local anesthetic is injected B. causes irritation and redness at the site of application C. reversibly binds chloride and magnesium ions in the skin D. can be achieved with topical creams, sprays, and ointments. Local anesthetics other than cocaine A. are weak acids B. are Schedule restricted drugs because of their similarity to cocaine C. can only be metabolized by the liver to remove their effect D....
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