<prompt> A person has given 0.175 gm oral digoxin with bioavailabilty 70. The amount of drug reaching in systemic circulation is:0.1750.175 x 0.70.17570.175 0.7  <response>: Ans. B 0.175 x 0.7Amount of drug reaching in systemic circulation drug dose given x bioavailability 0.175 gm x 70100 0.175 gm x 0.7 