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Question 15 year old child requires amoxycillin suspension125mg/5mL for an ear
Question 1
5 year old child requires amoxycillin suspension 125mg/5mL for an ear
infection.
Express 125mg/5mL amoxycillin suspension as a % strength
A. 1.5 %
B. 2.5 %
C. 5.5 %
D. 12.5 %
Question 2 Express 240mg/5mL as ratio strength
A. 1:10
B. 1:5
C. 2:100
D. 1:20
Question 3 Express 125mg/5mL amoxycillin suspension as a % strength
A. 1.5 %
B. 2.5 %
C. 5.5 %
D. 12.5 %
Question 4
Betadine sore throat gargle® (conce) contains 7.5% w/v povidone iodine. The directions are to dilute 1mL of Betadine® to 20mL of water & gargle.
• Part 1; What amount of povidone iodine is in 20mL of the diluted gargle?
A. 37.5mg
B. 75mg
C. 0.75g
D. 3.75g
Part B
Betadine Ready to Use® sore throat gargle contains 10mg/mL w/v povidone iodine. Directions are; gargle 15mL of Betadine ready to use® (RTU)
Part 2; Is the amount of povidone iodine in 15mL of Betadine ready-to-use® the same as 20mL of the diluted gargle?
Question 5
An RMO asks you to prepare one litre of a 1% solution of sodium chloride. However, you only have a 5% concentrated stock solution of NaCl available to you.
How much of the 5% stock solution is required to make 1L of a 1% NaCl aqueous solution?
A. 50mL
B. 100mL
C. 200mL
D. 250mL
Start with the final concentration required in 1 litre,
Step 2; How much of the stock solution contains 10g of NaCl
Question 6
A doctor has prescribed clonazepam capsules. The dose is 1.5mg once a day for 10 days.
Show how you would make sufficient capsules, each weighing 450mg, for this prescription.
Question 7
How much NaCl is required to make 50mL of a stock solution, so that if 5mL of this stock solution is taken and diluted to 3L the final concentration is 1: 10,000 w/v?
Question 8
Q. 19 If 500mL of a 1:200 solution of KCl is diluted to 1L, what is the final ratio concentration?
A. 40:1
B. 1:40
C. 400:1
D. 1:400
