How many grams of NaCl are in 100ml of NS solution?
Answer(s): C
Normal saline is a 0.9 (w/v) solution. % w/v is the number of grams/100ml X 100
Which of the following classes of antibiotics should not be taken with either fruit juices or colas?
Answer(s): B
Because of the acidic nature of both fruitjuices and colas, penicillin is inactivated by both.
How many milligrams of atropine sulfate are needed to make 30ml of a 1:200 solution?
Following formula:Final volume X % (expressed as a decima|)= amount of active ingredient(g). The final volume is 30ml and 1:200 can be expressed as 1/200 or 0.005g. Multiplying 0.15g x 1000mg/g (changing grams to miIIigram...) will yeald 150mg.
Which drug classification may cause rhinitis medicatmentosa with repeated use?
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