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?
Post your Comments and Discuss PTCB® PTCE exam with other Community members:
Esmaiel commented on October 02, 2024 This is a very good practice paper to get ready for exam. Helpful to me. UNITED STATES upvote
bobby commented on September 21, 2024 very useful website for practice tests Anonymous upvote
Mahmood commented on September 25, 2020 My freined told me about this website. Good price comare to others. INDONESIA upvote
Our website is free, but we have to fight against bots and content theft. We're sorry for the inconvenience caused by these security measures. You can access the rest of the PTCE content, but please register or login to continue.