Multiple choice

Adverse effects of local anesthesia are generally referred to as local anesthetic toxicity. Which of the following statements regarding the local anesthetic toxicity is wrong?

  1. The anesthetic toxicity advesely affects the nervous system

  2. Local anesthetic drugs do not affect the heart

  3. Toxicity can occur with any local anesthetics as an individual reaction by that patient

  4. Direct infiltration of local anesthetic into skeletal muscle will cause temporary paralysis of the muscle
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Local anesthetic drugs are toxic to the heart (where they cause arrhythmia) and brain (where they may cause unconsciousness and seizures). Arrhythmias may be resistant to defibrillation and other standard treatments, and may lead to loss of heart function and death.

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