Chapter 24: Digestive System Infections - Lower Viral + Liver Viral Flashcards
1
Q
What viruses cause viral gastroenteritis?
A
enterovirus group:
- rotaviruses
- Norwalk virus
2
Q
What are symptoms of viral gastroenteritis? (3)
A
- low fever
- diarrhea
- vomiting “stomach flu”
3
Q
How can you treat viral gatroenteritis?
A
self-resolving in about a week
4
Q
How is viral gastroenteritis transmitted? (2)
A
- faecal-oral route
- frequent cause of epidemic diarrhea
5
Q
How can you treat viral gastroenteritis?
A
- rehydration therapy
6
Q
How can you prevent gastroenteritis? (2)
A
- proper hand-washing
- vaccines exist against some enteroviruses (not all)
7
Q
What is hepatitis? (2)
A
- inflammation of the liver
- caused by several different unrelated viruses
8
Q
What is Hep A?
A
- Infectious hepatitis spread by fecal-oral route
9
Q
what does hep A cause? (2)
A
- acute infection
- self resolving in a few months
10
Q
What are symptoms of Hep A? (4)
A
- Malaise
- diarrhea
- nausea
- liver damage, jaundice
11
Q
How can you treat hep A?
A
none
12
Q
How can you prevent Hep A? (2)
A
inactivated whole agent vaccine - given to those at risk
post exposure - passive immunization with pre-made antibiotics
13
Q
What is Hep B?
A
- serum hepatitis
14
Q
How is Hep B transmitted?
A
- direct or indirect contact with body fluids (ex. blood, semen)
15
Q
What infections does Hep B cause?
A
- most cases result in acute infection that are self- resolving
- some develop into chronic infection