30 Questions
What is the primary advantage of enteric-coated tablets?
To protect drugs from gastric acid and prevent gastric irritation
What type of tablets are designed to dissolve at a slower rate?
Sustained release tablets
What is the primary function of a suppository?
To deliver medication by insertion into a body orifice
What is the purpose of a preservative in a gelatin shell of a capsule?
To prevent fungal growth
Why should suppositories be kept in a refrigerator?
To keep them from spoilage
What is the characteristic of a gelatin shell of a capsule?
It is water-free
What is the characteristic of an ophthalmic solution?
It is a sterile and isotonic solution
What is the purpose of shaking a suspension before use?
To ensure uniform distribution of the drug
What type of dosage form is a concentrated aqueous solution of sugar?
Syrup
What is the typical solvent used in a tincture?
Ethanol
What is the characteristic of an ampoule?
It contains a single dose of a drug
What is the main advantage of inhalational dosage forms compared to other administration routes?
Rapid delivery of the drug across the large surface area of the alveolar membrane
What is the purpose of an emulsifying agent in an emulsion?
To stabilize the emulsion
What is the primary disadvantage of inhalational dosage forms?
Irritation of the pulmonary epithelium
What is the purpose of ointments in topical dosage forms?
To provide an emollient effect
What is the primary advantage of mucosal administration of drugs?
Localized delivery of the drug with minimal systemic effects
What is the main difference between suppositories and pessaries?
Route of administration
What is the primary disadvantage of using inhalers?
Difficulty in using the inhaler properly
What percentage of water is typically present in a cream?
20-50%
Why are creams better suited for oozing or 'wet' skin conditions?
Because they are semisolid emulsions and absorb quickly
What is the main difference between ointments and creams in terms of oil and water content?
Ointments have more oil and less water, while creams have more water and less oil
What is the characteristic of ophthalmic ointments?
They are sterile and applied to the eye
How should lotions and liniments be used?
They should be shaken well before each use
What is the purpose of liniments?
To reduce pain or relieve stiffness
What is the primary difference between lotion and liniment?
Their viscosity and consistency
What type of tablet is designed to release the active ingredient slowly over a period of time?
Sustained released tablet
Which of the following dosage forms typically require shaking before use?
Gels and suspensions
What is the primary function of an enteric coated tablet?
To release the active ingredient in the intestine
Which of the following is NOT a characteristic of a lotion?
It is an oral dosage form
What is the primary difference between a lotion and a cream?
Their viscosity and consistency
Test your knowledge of drug dosage forms used in dentistry, including solid, liquid, and other forms. Learn about the factors affecting the selection of dosage forms and their advantages and disadvantages.
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