Pharmacology: Colonoscopy Preparation

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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?

Saline cathartic 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?

To reduce the risk of electrolyte imbalance Signup and view all the answers

Why are dry mixtures used for certain substances?

They have insufficient stability in aqueous solution for extended shelf-life periods Signup and view all the answers

What is the shelf-life of reconstituted dry mixtures?

7 to 14 days Signup and view all the answers

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

They are more prone to microbial growth Signup and view all the answers

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

To prepare a solution with a specific solvent and vehicle Signup and view all the answers

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

To prevent precipitation of calcium carbonate Signup and view all the answers

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

To enhance the solubility of the solid ingredients 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?

Need for accurate spoon to measure the dose Signup and view all the answers

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

25° C Signup and view all the answers

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

To increase the solubility of iodine Signup and view all the answers

What is the primary use of Lugol's Solution?

As a topical antiseptic Signup and view all the answers

What is the purpose of purified water in pharmaceutical preparations?

To act as a vehicle or solvent for active ingredients Signup and view all the answers

What is the method of preparation of purified water?

Distillation, deionization or reverse osmosis Signup and view all the answers

What is the primary use of water for injection?

Parenteral preparations Signup and view all the answers