The NP chooses to give cephalexin every 8 hours based on knowledge of the drug's:

Question

Quizplus · Accepted Answer

The choice of dosing interval, every 8 hours, is based on the drug's biological half-life, which refers to the amount of time it takes for half of the drug to be eliminated from the body. Cephalexin has a half-life of 1.5 to 2 hours, which is why it is commonly dosed every 6 to 8 hours to maintain therapeutic levels in the body. A, C, and D also play a role in drug dosing decisions, but in this specific scenario, knowledge of the drug's half-life is most relevant.

The NP Chooses to Give Cephalexin Every 8 Hours Based