Niosomes in Drug Delivery

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the advantage of localized drug action achieved through niosomal drug delivery?

  • It enhances the therapeutic index of the drug by increasing its solubility.
  • It allows the drug to penetrate epithelium and connective tissue easily.
  • It facilitates widespread distribution of the drug throughout the body.
  • It confines the drug to the site of administration due to the size and low penetrability of niosomes. (correct)

Which statement about the sustained release action of niosomes is true?

  • It is not suitable for drugs with low solubility in water.
  • It is only effective for drugs with a high therapeutic index.
  • It maintains drugs in circulation via niosomal encapsulation. (correct)
  • It can be applied to highly soluble drugs with a high therapeutic index.

Based on the information provided, what can be inferred about the toxicity of niosomes?

  • There is limited research on the toxicity of niosomes. (correct)
  • Ester type surfactants used in niosomes are more toxic than ether type surfactants.
  • Nasal applications of niosomes are always non-toxic.
  • The physical form of niosomes does not influence their toxicity.

Which characteristic of Spanlastics makes them suitable for transdermal drug delivery?

<p>Their elastic and deformable nature, allowing skin penetration. (D)</p> Signup and view all the answers

What is the primary advantage of using niosomes as hemoglobin carriers?

<p>They can encapsulate and protect hemoglobin from degradation. (A)</p> Signup and view all the answers

Which statement about proniosomes is true based on the given information?

<p>Proniosomes are precursors used to prepare niosomal formulations. (C)</p> Signup and view all the answers

What is one potential application of niosomes as hemoglobin carriers?

<p>Facilitating oxygen transport in the body (A)</p> Signup and view all the answers

What is the major advantage of using niosomes and proniosomes for transdermal drug delivery?

<p>Increased penetration rate through the skin barrier (D)</p> Signup and view all the answers

Which property of niosomes contributes to their potential for sustained release and localized drug action?

<p>Their capacity to encapsulate and slowly release drugs (A)</p> Signup and view all the answers

Which of the following statements about niosomes is true?

<p>They have been shown to improve the anti-inflammatory activity of drugs like diclofenac sodium. (C)</p> Signup and view all the answers

What is one advantage of using niosomes for drug delivery compared to other delivery systems?

<p>Improved stability of the incorporated drug (C)</p> Signup and view all the answers

Which of the following drugs has been studied for delivery using niosomes?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following statements about niosomes is true?

<p>Niosomes are composed of non-ionic surfactants and cholesterol, forming a bilayer structure. (B)</p> Signup and view all the answers

What is a potential advantage of using niosomes for transdermal drug delivery?

<p>Niosomes can enhance drug permeation through the stratum corneum. (C)</p> Signup and view all the answers

Which of the following statements is true regarding the sustained release of drugs using niosomes?

<p>Niosomes can be used to achieve sustained drug release by entrapping drugs within their vesicles. (B)</p> Signup and view all the answers

Which property of niosomes contributes to their potential for localized drug action?

<p>Niosomes can restrict the effects of drugs to target cells or tissues. (A)</p> Signup and view all the answers

Which statement is true regarding the handling and storage of niosomes?

<p>Handling and storage of surfactants used in niosome preparation do not require special conditions. (A)</p> Signup and view all the answers

How can niosomes potentially improve the bioavailability of poorly absorbed drugs?

<p>Niosomes can protect drugs from the biological environment, increasing their bioavailability. (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Use Quizgecko on...
Browser
Browser