In: Biology
Rx: Pilocarpine nitrate 2% (w/v) Boric acid q.s. Rx Sterile water for injection q.s 20 mL Sig: One (1) gtt OU t.i.d..
How much boric acid (in milligrams) is needed to make this prescription isotonic? (E-value pilocarpine nitrate = 0.23, E-value boric acid = 0.52). Round your answer to the nearest whole number.
question - Pilocarpine nitrate 2% (w/v) Boric acid q.s. Rx Sterile water for injection q.s 20mL How much boric acid (in milligrams) is needed to make this prescription isotonic ?
answer - 169 millligram of the boric acid is needed to make the isotonic presecription .
solution is in the figure -