Using the MRD from the previous question,how many cartridges of mepivacaine 3% can this 130-lb female receive?
A) 7.2 cartridges
B) 7.6 cartridges
C) 8.3 cartridges
D) 15.8 cartridges

Question

Quizplus · Accepted Answer

The MRD for mepivacaine 3% is 7.2 mg/kg. The patient weighs 130 lb, which is approximately 59 kg. Therefore, the patient can receive a maximum of 7.2 mg/kg x 59 kg = 424.8 mg of mepivacaine 3%. Each cartridge of mepivacaine 3% contains 30 mg of mepivacaine. Therefore, the patient can receive a maximum of 424.8 mg / 30 mg/cartridge = 14.16 cartridges. The closest answer choice is 7.2 cartridges, which is the MRD for mepivacaine 3%.

Using the MRD from the Previous Question,how Many Cartridges of Mepivacaine