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block

If 10 mg of a drug are added to a 500 mL large-volume parenteral fluid, what should be the rate of flow, in mL/hour, to deliver 1 mg of drug per hour?

Select the correct answer(s).  

(0/0)

---

5 mL/hour

20 mL/hour

50 mL/hour

500 mL/hour

none

How many grams of a drug substance should be dissolved in 250 mL of water to make a 5% (w/w) solution?

Select the correct answer(s).  

(0/0)

---

60 g

10 g

9.6 g

13.16 g

none

In what proportion should alcohols of 90% and 50% strengths should be mixed to make 70% alcohol?

Select the correct answer(s).  

(0/0)

---

4 parts / 5 parts

1part / 1 part

3 parts / 5 parts

5 parts / 4 parts

none

How many milliliter of U-100 insulin should be used to obtain 50 units of insulin?

Select the correct answer(s).  

(0/0)

---

50 mL

0.5 mL

500 mL

5 mL

none

How many drops would be prescribed in each dose of a liquid medicine if 20 mL contained 60 doses? The dispensing dropper calibrates 35 gtts per mL.

Select the correct answer(s).  

(0/0)

---

15 gtts

8 gtts

23 gtts

12 gtts

none

How many milliliters of two liquids with specific gravities of 0.950 and 0.875 should be used to prepare 1500 mL of a liquid having a specific gravity of 0.925?

Select the correct answer(s).  

(0/0)

---

500 mL (sp gr 0.950); 1000 mL (sp gr 0.875)

1125 mL (sp gr 0.950); 2250 mL (spgr 0.875)

1000 mL (sp gr 0.950); 500 mL (sp gr 0.875)

2250 mL (sp gr 0.950); 1125 mL (sp gr 0.875)

none

Convert 5% to mg/mL:

Select the correct answer(s).  

(0/0)

---

500 mg/mL

50 mg/mL

5 mg/mL

5000 mg/mL

none

A prescription is to be taken as follows: 1 tablet q.i.d. the first day; 1 tablet t.i.d. the second day; 1 tablet b.i.d. x 5 d; and 1 tablet q.d. thereafter. How many tablets should be dispensed to equal a 3-day supply?

Select the correct answer(s).  

(0/0)

---

18 tablets

47 tablets

22 tablets

40 tablets

none

You are directed to weigh 10 grams of a substance so as to limit the error to 0.2%. Calculate the maximum potential error, in terms of grams, that you would not be permitted to exceed.

Select the correct answer(s).  

(0/0)

---

0.2 g

0.05 g

0.02 g

0.002 g

none

How many milligrams of a drug will be needed to prepare 74 dosage forms if each is to contain 1/10 grain?

Select the correct answer(s).  

(0/0)

---

58mg

480mg

4.8mg

4800mg

none

Zinc chloride is a three-ion electrolyte, dissociating 80% in a certain concentration. Calculate its dissociation factor (I):

Select the correct answer(s).  

(0/0)

---

1.6

3

2.6

2.9

none

Tetracycline has been shown to form a calcium complex in bone-forming tissue in infants given oral tetracycline in doses of 0.011 g/lb body weight every 6 hours. Express the dose in terms of milligrams per kilogram of body weight.

Select the correct answer(s).  

(0/0)

---

25 mg/Kg

5 mg/Kg

24.2 mg/Kg

11 mg/Kg

none

How many milliequivalents are there in 15 mL of a 50% MgSO4 solution? (mol. Wt. 246)

Select the correct answer(s).  

(0/0)

---

69.7 mEq

60.97 mEq

6.097 mEq

6.96 mEq

none

If a pint of a certain liquid weighs 9200 grains, what is the specific gravity of the liquid?

Select the correct answer(s).  

(0/0)

---

1.0

1.26

1.32

1.276

none

How many grams of dextrose are required to prepare 4500 L of a 5% solution?

Select the correct answer(s).  

(0/0)

---

225

4 f3

80

000g

000 g

8 f3