Diarrhoea/constipation Flashcards
1
Q
What is diarrhoea?
A
Too frequent passage of faeces which are too liquid
2
Q
What can cause diarrhoea?
A
Pathogenic bacteria Protozoans Viruses Toxins Food
3
Q
What is constipation?
A
No absorption of toxins from faecal material following long periods of retention
4
Q
S+S of constipation?
A
Headaches Nausea Loss of appetite Abdominal distension -due to distension of rectum
5
Q
What do enterotoxic bacteria do?
A
Produce protein enterotoxins which maximally turn on chloride secretion and therefore increase H2O secretion
6
Q
Which secondary intracellular messengers do enterotoxins use?
A
Cyclic AMP
Cyclic GMP
Calcium
7
Q
Name 2 enterotoxic bacteria
A
Vibio cholera
Escherichia coli
