Question 9 of 46

Click on the correct answer to the following question:

Explain what the term "half-life" means in relation to a local anesthetic agent:

  1. the time it takes for the local anesthetic to reach half its potential effect on the patient
  2. the time it takes for the local anesthetic in the cartridge to lose half its potency
  3. the time required for a 50% reduction of the local anesthetic agent in the patient's blood level
  4. the time required for the patient to lose 50% of the sensation in the targeted area