Reducing and Enlarging Formulas Flashcards
From the following formula for 40 sertraline capsules, calculate the factor that would be used if a pharmacist wished to prepared 250 capsules.
Sertraline Hydrochloride 300 mg
Silica Gel 6 g
Calcium Citrate 4 g
The correct answer is:
6.25
From the following formula, calculate the quantity of propylene glycol required to make 5 lb. of hydrophilic ointment Methylparaben 0.25 g Prophylparaben 0.15 g Sodium lauryl sulfate 10 g Propylene glycol 120 g Stearyl alcohol 250 g White petrolatum 250 g Purified water, to make 1000 g
The correct answer is:
272.4 g
From the following formula, calculate the quantity of propylparaben required to make 5 lb. of hydrophilic ointment Methylparaben 0.25 g Prophylparaben 0.15 g Sodium lauryl sulfate 10 g Propylene glycol 120 g Stearyl alcohol 250 g White petrolatum 250 g Purified water, to make 1000 g
The correct answer is:
0.3405 g
Calculate the amount of Erythromycin needed to prepare 150mL of the following ophthalmic solution: Erythromycin lactobionate 500 mg Dexamethasone Sodium Phosphate 100 mg Glycerin 2.5 mL Sterile Water for Injection, ad 1000 mL
The correct answer is:
75 mg
From the following formula, calculate the quantity of sodium bicarbonate required to make 1500 g of the powder. Calcium carbonate 5 parts Magnesium oxide 1 part Sodium bicarbonate 4 parts Bismuth subcarbonate 3 parts
The correct answer is:
461.54 g
According to the literature, when the product Amevive (alefacept) is reconstituted with sterile water for injection to prepare 0.6 mL of injection, it contains the following in each 0.5 mL:
Alefacept 7.5 mg
Sucrose 12. 5 mg
Glycine 5 mg
Sodium Citrate 3.6 mg
Citric acid 0.06 mg
How much alefacept would be needed to manufacture a 5000 batch of vials for reconstitution?
The correct answer is:
37.5 g
Calculate the amount of coal tar solution required to make 30 g of ointment of the to the following formula:
Coal tar solution 12%
Hydrous wool fat 24%
Yellow soft paraffin to 100%
The correct answer is:
3.6 g
Calculate the amount of witch hazel required to make 3L of the formula:
Wicth hazel 4 parts
Glycerol 1 part
Water 15 parts
The correct answer is:
0.6 L
A medicated cream has the following formula:
Salicylic acid 1 part
Precipitated sulfur 9 parts
Aqeous cream 40 parts
Calculate the amount of salicylic acid if you start with 3.6 g of precipitated sulfur
The correct answer is:
0.4 g
The formula for a sports rub cream is given in the literature as follows:
Methyl salicylate 15 ml
Menthol 10 g
Eucalypus oil 1 g
Hydrophilic ointment ad 100 g
If the specific gravity of methyl salycilate is 1.18, how many grams of methyl salicylate would be needed to prepare a dozen 30-gram tubes of ointment.
The correct answer is:
63.72 g
