Practice Pakistan questions with answers and explanations.
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Ointment is a semisolid preparation intended for external application to skin or mucosa.
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Suppository is a solid dosage form inserted into a body cavity where it melts, softens or dissolves.
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Isotonic solution is a solution with effective osmotic pressure similar to body fluids.
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Buffer is a system that resists change in pH when small amounts of acid or base are added.
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Sedimentation is downward movement of dispersed particles under gravity.
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Preservative is an excipient added to inhibit microbial growth in a preparation.
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Expiry date is the date until which a product is expected to remain within specification when stored correctly.
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Bioavailability is the rate and extent to which active drug reaches systemic circulation.
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First-order degradation is a process in which degradation rate is proportional to the amount of drug remaining.
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Dispensing label is a label providing patient-specific directions and essential medicine information.
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Solution is a homogeneous liquid preparation containing dissolved solute.
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Suspension is a liquid dosage form containing insoluble solid particles dispersed in a vehicle.
