Suppose your blood level of caffeine is 16 mg/L at noon. You

Last updated: 7/8/2022

Suppose your blood level of caffeine is 16 mg/L at noon. You ingest no caffeine after that, but at 6 p.m. you take a drug that alters your metabolism of caffeine so that from then on, its half-life is just half its normal value. What will your caffeine level be at 3a.m.? 2 mg/L 1 mg/L 4 mg/L 8mg/L