What is the total volume of anesthesia when you have two cartridges, each containing 1.8mL?

The total volume of anesthesia can be calculated by simply adding the volumes of each cartridge together. Each cartridge contains 1.8 mL of anesthetic, and since there are two cartridges, you multiply the volume of one cartridge by the number of cartridges:

1.8 mL (volume of one cartridge) × 2 (number of cartridges) = 3.6 mL (total volume of anesthesia).

This calculation reinforces the importance of understanding how to combine medication volumes accurately, especially in a clinical setting where precise dosages are crucial for patient safety and effective treatment. Thus, the total volume of anesthesia when using two cartridges each containing 1.8 mL is indeed 3.6 mL.