Podcast
Questions and Answers
Which type of purgative retains water in the bowel and stimulates peristalsis by releasing cholecystokinin?
Which type of purgative retains water in the bowel and stimulates peristalsis by releasing cholecystokinin?
- Lubricant purgatives
- Bulk forming purgatives
- Saline purgatives
- Non-absorbable osmotic salts (correct)
Which condition can be managed using lactulose as an osmotic laxative?
Which condition can be managed using lactulose as an osmotic laxative?
- Constipation (correct)
- Acid reflux
- Diarrhea
- Gastric ulcers
What is the main mechanism of action of lactulose as an osmotic laxative?
What is the main mechanism of action of lactulose as an osmotic laxative?
- Increases gastric acid secretion
- Retains water in the bowel
- Forms soft stool by reducing pH of the colon (correct)
- Stimulates bile production
What is the main disadvantage of using liquid paraffin (paraffin oil) as a lubricant purgative?
What is the main disadvantage of using liquid paraffin (paraffin oil) as a lubricant purgative?
How do non-absorbable osmotic salts act as purgatives?
How do non-absorbable osmotic salts act as purgatives?
Which substance is formed by lactulose when split by colon bacteria, leading to a reduction in pH of the colon?
Which substance is formed by lactulose when split by colon bacteria, leading to a reduction in pH of the colon?
What is the primary purpose of using bulk forming purgatives?
What is the primary purpose of using bulk forming purgatives?
What is the primary use of saline purgatives such as magnesium sulfate (Epsom's salt)?
What is the primary use of saline purgatives such as magnesium sulfate (Epsom's salt)?
Which outcome is associated with a reduction in pH of the colon due to lactulose administration?
Which outcome is associated with a reduction in pH of the colon due to lactulose administration?
What is one of the disadvantages of using liquid paraffin (paraffin oil) as a lubricant purgative?
What is one of the disadvantages of using liquid paraffin (paraffin oil) as a lubricant purgative?
Which of the following is NOT a primary use of lactulose as an osmotic laxative?
Which of the following is NOT a primary use of lactulose as an osmotic laxative?
What is the main disadvantage of using magnesium sulfate (Epsom's salt) as a saline purgative?
What is the main disadvantage of using magnesium sulfate (Epsom's salt) as a saline purgative?
Which substance is formed by lactulose when split by colon bacteria, leading to a reduction in pH of the colon?
Which substance is formed by lactulose when split by colon bacteria, leading to a reduction in pH of the colon?
How does liquid paraffin (paraffin oil) act as a lubricant purgative?
How does liquid paraffin (paraffin oil) act as a lubricant purgative?
What is the primary mechanism of action of non-absorbable osmotic salts as purgatives?
What is the primary mechanism of action of non-absorbable osmotic salts as purgatives?
In which condition is lactulose commonly used as an osmotic laxative?
In which condition is lactulose commonly used as an osmotic laxative?
What outcome is associated with a reduction in pH of the colon due to lactulose administration?
What outcome is associated with a reduction in pH of the colon due to lactulose administration?
