Understanding Constipation
41 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is NOT a cause of constipation?

  • Results of taking other medication (opioids)
  • Frequent bowel movements (correct)
  • Inappropriate diet
  • Lack of physical activity
  • Which type of laxative absorbs fluid from the lumen and increases the consistency of the stool?

  • Bulk-forming laxatives (correct)
  • Osmotic laxatives
  • Stimulant laxatives
  • All of the above
  • Which natural resource is commonly used as an osmotic laxative?

  • Manna (correct)
  • Linum usitatissimum (lini semen/linseed)
  • Plantago psyllium (psyllii semen/psyllium)
  • Fraxinus ornus
  • Which of the following is a pharmacodynamic effect of sennosides?

    <p>Increased leakiness of tight junctions</p> Signup and view all the answers

    Which of the following is a pharmacokinetic property of sennosides?

    <p>Presence in blood as glucuronides and sulphates</p> Signup and view all the answers

    Which of the following is a side effect of long-term use of stimulant laxatives?

    <p>Pseudomelanosis coli</p> Signup and view all the answers

    Which natural resource is commonly used as a stimulant laxative?

    <p>Cassia Senna</p> Signup and view all the answers

    Why is the use of Senna contraindicated during pregnancy?

    <p>It may pose a genotoxic risk</p> Signup and view all the answers

    Which type of laxative is not digested or absorbed in the GI tract?

    <p>Bulk-forming laxatives</p> Signup and view all the answers

    Which natural resource is commonly used as an osmotic laxative?

    <p>Manna</p> Signup and view all the answers

    Which of the following is the most common discoloration of urine that may occur during treatment with sennosides?

    <p>Yellow</p> Signup and view all the answers

    What is the main mechanism of action of sennosides as a laxative?

    <p>Stimulating the motility of the large intestine</p> Signup and view all the answers

    Which of the following is a potential side effect of long-term use of stimulant laxatives?

    <p>Pseudomelanosis coli</p> Signup and view all the answers

    What is the recommended duration of use for Senna as a laxative?

    <p>Up to 1 week</p> Signup and view all the answers

    Which of the following is a potential side effect of long-term use of sennosides as a laxative?

    <p>Yellow discoloration of urine</p> Signup and view all the answers

    What is the main mechanism of action of sennosides as a laxative?

    <p>Stimulation of the motility of the large intestine</p> Signup and view all the answers

    Which hydroxyanthracene derivative has been shown to be genotoxic in vitro and in vivo?

    <p>Aloe emodin</p> Signup and view all the answers

    Which of the following is a potential adverse effect of long-term use of Senna as a laxative?

    <p>Blackening of the colon</p> Signup and view all the answers

    Which of the following is a potential interaction with Senna as a laxative?

    <p>Decreased effectiveness of cardiac glycosides</p> Signup and view all the answers

    What is the recommended posology for Senna as a laxative?

    <p>Once daily at night</p> Signup and view all the answers

    Which of the following is a cause of constipation?

    <p>Inadequate physical activity</p> Signup and view all the answers

    Which chemical constituents are responsible for the effect of stimulant laxatives?

    <p>Antaquinones</p> Signup and view all the answers

    Which of the following is a natural resource commonly used as a bulk-forming laxative?

    <p>Linum usitatissimum</p> Signup and view all the answers

    Which type of laxative absorbs fluid from the lumen and increases the consistency of the stool?

    <p>Bulk-forming laxatives</p> Signup and view all the answers

    Which chemical constituents are responsible for the effect of stimulant laxatives?

    <p>Anthranols</p> Signup and view all the answers

    Which of the following is a potential adverse effect of long-term use of Senna as a laxative?

    <p>Yellow or red-brown discoloration of urine</p> Signup and view all the answers

    Which hydroxyanthracene derivative has been shown to be genotoxic in vitro and in vivo?

    <p>Danthron</p> Signup and view all the answers

    Which type of laxative is not absorbed in the upper gut and is converted into an active metabolite by bacteria in the large intestine?

    <p>Contact laxative</p> Signup and view all the answers

    Which of the following is a potential adverse effect of long-term use of Senna as a laxative?

    <p>Pseudomelanosis coli</p> Signup and view all the answers

    Which of the following is a contraindication for the use of Senna as a laxative?

    <p>Appendicitis</p> Signup and view all the answers

    What is the main mechanism of action of sennosides as a laxative?

    <p>Increasing peristalsis of the colon</p> Signup and view all the answers

    Which of the following is a potential interaction with Senna as a laxative?

    <p>Diuretics</p> Signup and view all the answers

    Which of the following is a potential adverse effect of long-term use of Senna as a laxative?

    <p>Increased risk of colon cancer</p> Signup and view all the answers

    What is the main mechanism of action of sennosides as a laxative?

    <p>Stimulation of large intestine motility</p> Signup and view all the answers

    Which hydroxyanthracene derivative has been shown to be genotoxic in vitro and in vivo?

    <p>Aloe emodin</p> Signup and view all the answers

    Which of the following is a natural resource commonly used as a bulk-forming laxative?

    <p>A) Linum usitatissimum (lini semen/linseed)</p> Signup and view all the answers

    Which type of laxative absorbs fluid from the lumen and increases the consistency of the stool?

    <p>A) Bulk-forming laxatives</p> Signup and view all the answers

    Which chemical constituents are responsible for the effect of stimulant laxatives?

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

    Which of the following is a potential adverse effect of long-term use of Senna as a laxative?

    <p>Hypersensitivity reactions</p> Signup and view all the answers

    What is the recommended duration of use for Senna as a laxative?

    <p>Not to be used for more than 1 week</p> Signup and view all the answers

    Why is the use of Senna contraindicated during pregnancy?

    <p>It may have genotoxic risk</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser