# PTCB Practice Test 8

20 Questions | Total Attempts: 1595  Settings  More math calculations!

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• 1.
Order: D5W 1000 ml q6h IV. What is the flowrate if there is an infusion pump? _______ ml/hr
• A.

4.2 ml/hr

• B.

2.8 ml/hr

• C.

167 ml/hr

• 2.
Give 1L NS over 8 hours. Drop factor: 15 gtt/ml. Flow rate: ______ gtt/min
• A.

1875 gtt/min

• B.

31 gtt/min

• C.

7200 gtt/min

• 3.
How many mg of Vancomycin are in 1.25 g per 250 ml of IV solution?
• A.

1250 mg

• B.

1200 mg

• C.

1000 mg

• 4.
Rx: Tussionex # 12 oz. Sig: ii tsp qd prn for cough 6d. How long will this medication last?
• A.

10 days

• B.

6 days

• C.

12 days

• 5.
Express the following concentration as a ratio strength: 2g of active ingredient in 250 ml of solution
• A.

1:800

• B.

2:250

• C.

1:125

• 6.
A physician prescribes tetracycline suspension for a patient who is to take 2 teaspoonfuls four times a day for 4 days, then 1 teaspoonful four times a day for 2 days. How many ml's of the suspension should be dispensed to provide the quantity for the prescribed dosage regimen?
• A.

200 ml

• B.

160 ml

• C.

40 ml

• 7.
How much 10% w/w (in grams) ammonia solution can be made from 1800 g of 28% w/w strong ammonia solution?
• A.

5000 g

• B.

5040 g

• C.

5 g

• 8.
How much (in ml) of a 1:400 w/v stock solution should be used to make 4L of a 1:2000 w/v solution?
• A.

400 ml

• B.

2000 ml

• C.

800 ml

• 9.
If 250 ml of a 1:800 v/v solution is diluted to 1000 ml, what will be the ratio strength v/v?
• A.

1:3200

• B.

1:320

• C.

1:32

• 10.
What is the percentage of alcohol in the following mixture? Alcohol 4% (5 ml), Alcohol 2% (10 ml)
• A.

3.33%

• B.

4.33%

• C.

2.66%

• 11.
Convert 80% to a fraction
• A.

8/100

• B.

4/5

• C.

1/8

• 12.
Convert 2:00 pm into military time
• A.

1400

• B.

1200

• C.

0200

• 13.
You receive an order for 380 ml of 0.5% dextrose solution. You have 1500 L of 5% dextrose solution, how much of the 5% solution and sterile water will you need to fill this order?
• A.

342 ml of 5% dextrose solution, 38 ml of sterile water

• B.

190 ml of 5% dextrose solution, 1710 ml of sterile water

• C.

38 ml of 5% dextrose solution, 342 ml of sterile water

• 14.
Recommended dose is 150 units/kg of body weight. How many ml of a solution with 50000 units/ml should be given to a 250 lb patient?
• A.

0.003 ml

• B.

0.3 ml

• C.

30 ml

• 15.
A patient presents a prescription for Ibandronate 150 mg #3. Your pharmacy has a 35% markup and \$5.66 dispensing fee. The wholesale price is \$15.70 per tab. What is the retail price for this prescription of 3 tablets?
• A.

\$69.25

• B.

\$16.49

• C.

\$47.01

• 16.
Insulin is available in 10 ml vials containing 100 iu/ml. Your patient is going away on a 2 week vacation and asks the pharmacist how many vials she will need to take. The patient injects 42 U/qam and qpm. How many vials will be needed?
• A.

2 vials

• B.

1 vial

• C.

3 vials

• 17.
Three separate drugs are required to make a 3:5:7 450g ointment. How much of each drug is needed orderly?
• A.

210g; 90g; 150g

• B.

90g; 150g; 210g

• C.

70g; 140; 240g

• 18.
How much 10% cream and a 0.5% cream will you need to prepare 120g of a 2.5% cream?
• A.

95g of 10% cream, 25g of 0.5% cream

• B.

20g of 10% cream, 100g of 0.5% cream

• C.

25g of 10% cream, 95g of 0.5% cream

• 19.
Mr. Brown is ordered to take 250 mg of a drug once a day. This drug is only available in 500 mg at the pharmacy. How many tablets should be given out for a 30-day supply?
• A.

30 tabs

• B.

15 tabs

• C.

10 tabs

• 20.
Express the value of XIX + VIII in arabic numerals
• A.

29

• B.

30

• C.

27