Assignment Week 3 Answer the following 15 questions by highlighting the correct answer for each question. 1. Rx: Diphenhydramine 0.1% solution, 500 ml. How much diphenhydramine 0.25% solution will be...

Assignment Week 3
Answer the following 15 questions by highlighting the correct answer for each question.
1. Rx: Diphenhydramine 0.1% solution, 500 ml. How much diphenhydramine 0.25% solution will be
needed to prepare the prescription?

a. 100 ml

b. 200 ml

c. 350 ml

d. 400 ml

Diphenhydramine = 0.1% = 0.5
Let them amount be x
Then 0.25 % of x =0.5
X= 200ml


2. Rx: Zovirax 400-mg tabs, i po, 5X daily. Dispense: 100 tabs. What is the
days' supply for the prescription?

a. 10

b. 20

c. 30

d. 50

Days supply = 100/5 =20

3. Rx: Albuterol oral solution, 3 mg po tid. Disp: 14-day supply. If the pharmacy
dispenses albuterol2-mg/5-ml solution, how much is needed to fill
the prescription?

a. 7.5 ml

b. 42 ml

c. 126 ml

d. 315 ml

Prescription 3 mg
tid = three times a day
per day 9 mg
Hence 14 day dose = 9*14= 126 mg
2 mg is in 5ml solution
1 mg is in 2.5 ml solution
126 mg is in 315 ml solution

4. Rx: Clotrimazole 0.5% ointment, 60 grams. How many grams of clotrimazole
1% should be mixed with ointment base to prepare the prescription?

a. 5 grams

b. 15 grams

c. 30 grams

d. 60 grams

Clotrimazole wt = 0.5% of 60 g = 0.3 g

Let the amount be x
Then 1% of x = 0.3
X= 30 g

5. Digoxin 0.25-mg tabs cost $10.231100 tabs and the pharmacy applies a 32% markup on...