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Pharmaceutics I > Lab Defenitions > Flashcards

Lab Defenitions Flashcards

1
Q

Density

A

The density of a liquid is defined as mass per unit volume

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2
Q

Relative density

A

The relative density of any liquid at a given temperature means the relative density of the liquid at that temperature with respect to the density of water

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3
Q

Viscosity

A

Fluids resistance to flow

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4
Q

Relative viscosity

A

Measure of resistance of a fluid compared to that of water

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5
Q

What is the viscometer used?

A

Ostwalds viscometer

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6
Q

Define partition coefficient

A

A measure of the lipophilicity and hydrophilicity of a substance

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7
Q

Define buffer

A

Compounds that resist changes in pH upon the addition of small quantities of strong acid or strong base

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8
Q

Define buffer capacity

A

The ability of a buffer to resist pH changes when acid or base is added
Smaller the pH changes the greater the buffer capacity

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9
Q

Define liquid dosage form

A

Pharmaceutical dosage form that is in a liquid state containing active ingredient

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10
Q

Define Solution

A

An evenly distributed mixture of one or more dissolved medications in a liquid vehicle

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11
Q

Define solvent

A

Could be aqueous or oleaginous, used in the preparation of a solution to dissolve another substance

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12
Q

Define syrup

A

A sweet concentrated aqueous solution of sugar in water

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13
Q

Aqueous solution

A

Solution that is prepared with water being the solvent

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14
Q

Non-aqueous solution

A

A solution prepared with solvent other than water such as ethanol, glycerin, propylene glycol and certain oils

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15
Q

Aromatic water

A

A clear aqueous solution of volatile oils or other volatile substances

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16
Q

Elixir

A

A clear sweet solution that contains dissolved medication in a base of water and ethanol

17
Q

Spirit

A

An alcoholic or hydro-alcoholic solution that contains volatile, aromatic ingredients

18
Q

Surface tension

A

Tension which exists on the molecules at the surface of the liquid

19
Q

Interfacial tension

A

The tension that exists on the liquid at the surface of another liquid

20
Q

What are the methods to measure surface tension

A

Capillary rise method
Drop weight method
Drop number method

21
Q

Emulsion

A

A blend of two immiscible liquids

22
Q

Dispersion

A

When the medication is not dissolved, but distributed throughout the vehicle

23
Q

Suspension

A

A biphasic system of coarse dispersion where insoluble particles which are greater than1um in diameter are dispersed in a liquid or aqueous vehicle

24
Q

LVP

A

Solutions that are typically bags or bottles containing more than 100ml for intravenous solution

25
Q

SVP

A

Solutions that are packaged in containers containing 100ml or less

26
Q

Quality control test

A

Sterility test
Pyrogen test
Clarity test
Leakers test

27
Q

What is the prescription requirement for iron solution ?

A

One tablespoonful three times a day

28
Q

What is the prescription requirement for aspirin syrup

A

One teaspoonful four times a day after meal

29
Q

What is the prescription requirement for phenobarbital elixir ?

A

One tablespoonful at bed time

30
Q

What is the prescription requirement for peppermint water ?

A

Ten milliliters twice a day before meals

31
Q

What is the prescription requirement for liquid paraffin emulsion ?

A

Two tablespoons at bedtime

32
Q

What is the prescription requirement for calcium carbonate suspension

A

Two tablespoons at bedtime

33
Q

What is the prescription requirement for ampoule ?

A

25mg in 1ml

34
Q

What is prescription requirement for ampoule box ?

A

Protect from light
25mg in 1ml
Bactericide 0.1% w/v chlorocresol

35
Q

What is prescription requirement for multi dose container ?

A

Protect from light
250mg in 10ml
Bactericide 0.1% w/v chlorocresol

Pharmaceutics I (13 decks)

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