Pharmacology: Colonoscopy Preparation
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Questions and Answers

What is the consequence of sodium absorption in the GIT?

  • Anion absorption is inhibited
  • Electrolyte balance is disrupted
  • Ion secretion is enhanced
  • Water absorption is promoted (correct)

What is the purpose of using Oral Colonic Lavage Solution?

  • Preparation of the bowel for procedures such as a colonoscopy (correct)
  • Antibiotic administration
  • Electrolyte imbalance correction
  • Treatment of diarrhea

What is the effect of the balanced electrolyte concentration in Oral Colonic Lavage Solution?

  • Virtually no net absorption or secretion of ions (correct)
  • Significant change in electrolyte balance
  • Enhanced ion absorption
  • Electrolyte deficiency

What is the mechanism of action of Magnesium citrate oral solution?

<p>Saline cathartic (D)</p> Signup and view all the answers

What is the primary reason for using KI and KBr to minimize the adverse effects of KCl in the GIT?

<p>To reduce the risk of electrolyte imbalance (C)</p> Signup and view all the answers

Why are dry mixtures used for certain substances?

<p>They have insufficient stability in aqueous solution for extended shelf-life periods (A)</p> Signup and view all the answers

What is the shelf-life of reconstituted dry mixtures?

<p>7 to 14 days (C)</p> Signup and view all the answers

What is a major disadvantage of solution dosage forms compared to solid dosage forms?

<p>They are more prone to microbial growth (B)</p> Signup and view all the answers

What is the primary purpose of using a simple solution in pharmaceutical preparation?

<p>To prepare a solution with a specific solvent and vehicle (C)</p> Signup and view all the answers

Why is it necessary to keep the calcium hydroxide solution in a well-filled and closed container?

<p>To prevent precipitation of calcium carbonate (B)</p> Signup and view all the answers

What is the primary advantage of using a less viscous vehicle for the initial dissolution of solid ingredients?

<p>To enhance the solubility of the solid ingredients (C)</p> Signup and view all the answers

What is a major disadvantage of using a solution dosage form for patients who have difficulty measuring doses accurately?

<p>Need for accurate spoon to measure the dose (B)</p> Signup and view all the answers

What is the ideal storage temperature for Ca(OH)2 to increase its solubility?

<p>25° C (B)</p> Signup and view all the answers

What is the purpose of adding KI in the preparation of Lugol's Solution?

<p>To increase the solubility of iodine (C)</p> Signup and view all the answers

What is the primary use of Lugol's Solution?

<p>As a topical antiseptic (C)</p> Signup and view all the answers

What is the purpose of purified water in pharmaceutical preparations?

<p>To act as a vehicle or solvent for active ingredients (A)</p> Signup and view all the answers

What is the method of preparation of purified water?

<p>Distillation, deionization or reverse osmosis (B)</p> Signup and view all the answers

What is the primary use of water for injection?

<p>Parenteral preparations (A)</p> Signup and view all the answers

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