Alice Chambers weighs 28 pounds and is 33 inches tall. The adult dose of erythromycin is 400 mg every 6 hours by mouth. 1. Calculate the dose of erythromycin Alice needs. 2. If the provider ordered...

Alice Chambers weighs 28 pounds and is 33 inches tall. The adult dose of erythromycin is 400 mg every 6 hours by mouth.

1. Calculate the dose of erythromycin Alice needs.

2. If the provider ordered erythromycin by injection rather than by mouth, how would the dose be calculated if the erythromycin adult dose is 400 mg/ mL?

3. What size needle and syringe are appropriate for giving Alice the injection?