Question

The blood serum concentration of of the antibacterial drug ciprofloxacin increases proportionally with the dose of drug administered. If a 250 mg dose of the drug results in a serum concentration of 1.2 micrograms of drug per mL of serum, how many micrograms of drug would be expected per mL of serum following a dose of 500 mg of drug

Answer 1

If

250mg dose = 1.2 micrograms

then 500mg dose =1.2 * 2 micrograms


answer is 2.4 micrograms