[Expert Solution]: To answer questions 7 to 13 , use the…

To answer questions 7 to 13 , use the following information. A 140 -lb healthy patient received 2.5 cartridges of 2 % lidocaine 1: 100,000 epinephrine. The dental hygienist reaches for another cartridge and realizes there is no more 2 % lidocaine. The dental hygienist decides to switch to 3 % mepivacaine. 7. What is the maximum recommended dose for lidocaine? A. 420 mg B. 445 mg C. 485 mg D. 500 mg 8. How many milligrams of lidocaine did the dental hygienist administer? A. 80 mg ( B. 90 mg C. 75 mg D. 85 mg 9. What is the maximum recommended dose for mepivacaine? A. 400 mg B. 450 mg C. 490 mg D. 500 mg10. How many more milligrams of 3 % mepivacaine can be administered to this patient? A. 310 mg more B. 330 mg more C. 420 mg more D. 450 mg more 11. How many more cartridges of 3 % mepivacaine can be administered to this patient? A. 5.7 B. 6.8 C. 7.3 D. 8.0 12. How many more milliliters of 3 % mepivacaine can be administered? A. 10.2 mL B. 11 mL C. 11.5 mL D. 12 mL 13. Since 2.5 cartridges of 2 % lidocaine 1: 100,000 was administered, how many milligrams of epinephrine was administered to this patient? A. 0.045 mg B. 0.099 mg C. 0.068 mg D. 0.088 mg