Constipation and Anti-emetics

Question 1

What are 2 bulking agents?

Answer 1

1) dietary fiber

2) psyllium

Question 2

What are the 2 non absorbable sugars that are used as osmotic laxatives?

Answer 2

1) lactulose

2) sorbitol

Question 3

What are the 3 saline and magnesium salt laxatives?

Answer 3

1) magnesium citrate
2) magnesium hydroxide (MOM)
3) sodium phosphate

Question 4

When are saline and mg laxatives contraindicated?

Answer 4

bowel obstruction
dehydration
electrolyte abnormalities
ischemic colitis

Question 5

What is a side effect that can be caused by saline and mg laxatives?

Answer 5

acute phosphate nephrophathy (intratubular deposition of calcium and phosphate)

Question 6

Which 2 saline and magnesium laxatives are used for bowel prep?

Answer 6

1) magnesium citrate

2) sodium phosphate

Question 7

Which 2 polyethylene glycol solutions are used for constipation?

Answer 7

1) miralax

2) glycolax

Question 8

Which 2 polyethylene glycol solutions are used for bowel prep?

Answer 8

1) colyte

2) golytely

Question 9

What are the 2 stimulant laxatives?

Answer 9

1) senna

2) bisacodyl

Question 10

_________ acts by stimulating the myenteric plexus while __________ acts by stimulating the sensory nerve endings (getting peristalsis going with parasymp stim)

Answer 10

Senna –> myenteric

Bisacodyl –> sensory nerve endings

Question 11

What are the side effects of the stimulant laxatives?

Answer 11

cramping and melanosis coli