GI tract- infections

Question 1

Give an example of a Good bacteria?

Answer 1

E.coli- required for blood clotting.

Question 2

Give an example of a bad bacteria?

Answer 2

Helicobacter Pylori

• the bacteria that causes peptic ulcer disease.

Question 3

What does Gastroenteritis normally present as?

Answer 3

Diarrhoea.

Question 4

Compare viral gastroenteritis to Bacteiral gastroenteritis.

Answer 4

Viral:

Profuse watery stools

Vomiting

abdominal cramps

Bacterial Dysentery-

Bloody mucoid stools.

Suprapubic pain

Question 5

Compare direct and indirect infections?

Answer 5

Direct- the organism enters mucosal cells and destroys them- Diarrhoea & blood in stool.

Indirect - the organisms releases enterotoxins which cause fluid release and result in water stools. There is very little tissue damage.

Question 6

What is norovirus?

Answer 6

The winter vomiting bug.

Question 7

What is salmonella?

Answer 7

A food borne infection due to eating infected animal produce or drinking contaminated water.

Question 8

What is Clostridium Difficle?

Answer 8

A bowel infection that most commonly affects people who have been treated with antibiotics

Question 9

Describe how a C. Difficle infection occurs.

Answer 9

Antibiotics alter the microflora.

C. difficle proliferates.

A and B toxins are produced.

Damage to the colon

Can become pseudomembranous colitis.

Question 10

What antibiotics are used for treating C.difficle?

Answer 10

Metrondiazole

Vancomycin. .