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Pharmacology: Drug Delivery Systems

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Questions and Answers

What is a characteristic of liposomes?

They are made from chitosan
They are toxic in nature
They are used for systemic delivery of therapeutic drugs
They are biodegradable and non-toxic (correct)

What is chitosan used to deliver?

Topical antihistamines
Topical all trans retinoic acid (ATRA) (correct)
Topical antibiotics
Topical analgesics

What is shark gel made from?

Dried meat of elasmobranchs
Fish scales
Fresh meat of elasmobranchs (correct)
Fish bones

What is the primary use of alginates in the food industry?

Thickener, emulsifier, and stabilizer (C) Signup and view all the answers

What is bioencapsulation used for?

Delivering nutraceuticals through live feed (D) Signup and view all the answers

What is essential for the quality of live feed in bioencapsulation?

Content of essential fatty acids (D) Signup and view all the answers

What is one of the major benefits of using drug delivery systems?

Improving efficiency of drug under treatment (A) Signup and view all the answers

What is the primary property of hydrogels that determines their ability to absorb and swell in water?

Equilibrium swelling degree or sorption capacity (D) Signup and view all the answers

What is the mechanism of degradation of polyanhydrides?

Hydrolysis (B) Signup and view all the answers

What is the advantage of hydrogels in terms of biocompatibility?

High-water content enhances biocompatibility (D) Signup and view all the answers

What is the primary function of starch in biodegradable gels?

Amylase-mediated degradation (B) Signup and view all the answers

What is the primary advantage of biodegradable gel-based drug vehicles?

Controlled release of proteins (C) Signup and view all the answers

What is the mechanism of degradation of collagen in biodegradable gels?

Collagenase-mediated degradation (C) Signup and view all the answers

What is the primary role of hydrophilicity and hydrophobicity in hydrogels?

Control drug release (C) Signup and view all the answers

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