Constipation - Anatomy and Pathophysiology

Question 1

Name 2 disorders of the Lower GI tract

Answer 1

1) Constipation

2) Diarrhoea

Question 2

What are the functions of the large intestine ?

Answer 2

1) Reabsorb water and package material into faeces
2) Absorb vitamins produced by bacteria
3) Store fecal matter prior to defecation

Question 3

Name the areas of the Colon involved in reabsorption of water and vitamins

Answer 3

• Ascending, Transverse and Descending

Question 4

Name the areas of the Colon involved in packaging of materials into faeces

Answer 4

• Sigmoid, Rectum and Anal Canal

Question 5

Name 3 opioid antagonists for opioid induced constipation

Answer 5

1) Methylnaltrexone
2) Prucalopride
3) Lubiprostone