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Question 1

All pharmaceutical preparations have ________, which is the amount of drug in a given dosage form, for example, 25mg/tablet.

Answer 1

Strength

Question 2

The strength in pharmaceutical preparation can be determined by:

Answer 2

Units , Parts , Quantity per quantity
, Percentage strength , Solubility ratios , Molarity & normality of solids and liquids , Molality , Mole Fraction

Question 3

Some drugs strengths are expressed in terms of ________________ according to some biologic assay.

Answer 3

units of activity(unit محمود)

Question 4

for example Common drugs for which units are used include:

Answer 4

penicillin, insulin, heparin, nystatin, and vitamins A, D, and E

Question 5

Parts themselves are _______, because you decide what the units will be.

Answer 5

Unitless

Question 6

Concentrations of topical medications are expressed most commonly by _______.

Answer 6

(W/W)

Question 7

percentage means “rate per hundred”
T/F

Answer 7

T

Question 8

Weight-in-volume Solutions e.g:

Answer 8

ophthalmic, nasal, otic, topical, large-volume parenterals, and lotions.

Question 9

Volume-in-volume e.g.

Answer 9

aromatic waters, topical solutions, and emulsions.

Question 10

Weight-in-weight e.g.

Answer 10

Ointments, creams, and gels.