SENNA for Occasional Constipation Quiz
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Questions and Answers

What is the main indication for Polyethylene Glycol 3350 (Miralax)?

  • Prevention of straining during defecation
  • Relief of occasional constipation (correct)
  • Treatment of abdominal cramps
  • Prevention of diarrhea

    • Which of the following best describes the mechanism of action of osmotic laxatives?

  • Lubricating the colon walls
  • Reducing water absorption from the stool
  • Lowering surface tension of the stool, allowing water to enter (correct)
  • Increasing surface tension of the stool

    • What is the onset of action for Docusate?

  • 1-6 hours
  • 6-12 hours
  • More than 72 hours
  • 12-72 hours (correct)

    • Which side effect is NOT commonly associated with Docusate use?

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

    What distinguishes Polyethylene Glycol 3350 from Docusate in terms of dose adjustments for renal or hepatic impairment?

    <p>Docusate requires a dose reduction, Polyethylene Glycol 3350 does not</p> Signup and view all the answers

    Which of the following is true regarding the mechanism of action of polyethylene glycol 3350?

    <p>Increases fluid transport and intracellular pH by osmotic action</p> Signup and view all the answers

    In which situation should polyethylene glycol 3350 be considered as a preferred option?

    <p>When there is a sudden change in bowel movements lasting longer than 2 weeks</p> Signup and view all the answers

    What is a common adverse effect associated with osmotic laxatives like polyethylene glycol 3350?

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

    Which of the following is NOT a characteristic of docusate?

    <p>Acts as a chloride secretion activator</p> Signup and view all the answers

    What makes lubiprostone different from polyethylene glycol 3350 in terms of mechanism of action?

    <p>Stimulates chloride secretion in the GI tract</p> Signup and view all the answers

    Which of the following best describes the mechanism of action of lactulose?

    <p>Metabolized in the colon by bacteria, producing an osmotic effect</p> Signup and view all the answers

    What is a common adverse reaction associated with lactulose use?

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

    Which population should be cautious when using lactulose due to the risk of electrolyte imbalances?

    <p>Diabetic patients</p> Signup and view all the answers

    How long can it take for lactulose to produce a normal bowel movement?

    <p>24-48 hours</p> Signup and view all the answers

    Which type of laxatives include polyethylene glycol 3350 and docusate?

    <p>Osmotic laxatives</p> Signup and view all the answers

    What is the mechanism of action of Polyethylene Glycol 3350?

    <p>Draws water into the stool</p> Signup and view all the answers

    Which of the following is a common adverse reaction associated with Polyethylene Glycol 3350?

    <p>Abdominal cramps</p> Signup and view all the answers

    What is a contraindication for using Polyethylene Glycol 3350?

    <p>Known or suspected bowel obstruction</p> Signup and view all the answers

    What is a potential warning associated with the use of Polyethylene Glycol 3350?

    <p>Electrolyte imbalance from prolonged use</p> Signup and view all the answers

    What is a potential drug interaction involving Polyethylene Glycol 3350?

    <p>Digoxin - can reduce digoxin levels</p> Signup and view all the answers

    What is the most appropriate indication for the use of SENNA?

    <p>Occasional constipation</p> Signup and view all the answers

    Which warning is associated with the use of SENNA?

    <p>OTC use not recommended in children less than 2 years of age</p> Signup and view all the answers

    What is a common adverse effect associated with SENNA use?

    <p>Abdominal cramps</p> Signup and view all the answers

    What should be reported to a healthcare provider when using SENNA?

    <p>Rectal bleeding</p> Signup and view all the answers

    When can SENNA typically start showing its onset of action?

    <p>Within 6 to 24 hours</p> Signup and view all the answers

    Which pharmacokinetic/pharmacodynamic factor sets SENNA apart from other laxatives?

    <p>Rapid absorption</p> Signup and view all the answers

    What is a common adverse effect associated with SENNA?

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

    What is a key warning that should be considered when prescribing SENNA?

    <p>Potential for electrolyte imbalances</p> Signup and view all the answers

    Which population would benefit most from the indication of SENNA?

    <p>Patients with irritable bowel syndrome (IBS)</p> Signup and view all the answers

    What distinguishes SENNA from other laxatives in terms of its mechanism of action?

    <p>Direct stimulation of intestinal lining</p> Signup and view all the answers

    What is a common adverse effect associated with SENNA use?

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

    Which of the following is a pharmacokinetic/pharmacodynamic factor of SENNA?

    <p>Minimal distribution beyond the GI tract</p> Signup and view all the answers

    What is a potential warning associated with SENNA use?

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

    Which of the following best describes an indication for SENNA use?

    <p>Chronic idiopathic constipation</p> Signup and view all the answers

    Which statement accurately represents the dosing of Senna?

    <p>The dosage of Senna varies depending on the age of the patient</p> Signup and view all the answers

    What is a dosing consideration for SENNA use in adults?

    <p>Dose reduction in hepatic impairment</p> Signup and view all the answers

    What is a crucial warning associated with the use of Senna?

    <p>Patients with diabetes should avoid using Senna due to increased blood sugar levels</p> Signup and view all the answers

    What is a common adverse effect associated with the use of Senna?

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

    In which situation would Senna likely be indicated for use?

    <p>Those needing relief from constipation</p> Signup and view all the answers

    What pharmacokinetic/pharmacodynamic factor is true about Senna?

    <p>It affects both intestinal motility and secretion, influencing electrolyte transport</p> Signup and view all the answers

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