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488 Pharmacology

A drug with plasma half life of 12 hours is administered twice a day. A drug with plasma half life of 12 hours is administered twice a day. Steady state plasma concentration reached is 300 mg/dl. Which of the following statements about this drug is not true?

APlasma concentration will be approximately 260 mg/d1 after three half lives of initiation of therapy
BIntravenous administration will always achieve a higher concentration than oral route (Correct Answer)
CAfter changing the dose, plasma concentration should be measured after 3 days
DDoubling the dose, will double the plasma concentration after 3 days