Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ETA 4: INFECTION > 4. GI Infections > Flashcards

4. GI Infections Flashcards

1
Q

What are the roles of bacteria in normal GI? (5 things)

A
  1. Synthesise and excrete vitamins (vit K, B12, Thiamine)
  2. Prevent colonisation by pathogens
  3. Kill non-indigenous bacteria
  4. Stim GALT dev (Gut assoc lymphoid tissue - works in immune system)
  5. Stim prod of natural antibodies
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the categories of bacteria in the GI tract?

A
  1. Cocci / bacilli
  2. Gram +ve / gram -ve
  3. Aerobic / anaerobic
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the different types of aerobic / anaerobic bacteria?

A
  1. Obligate aerobes = NEED oxygen
  2. Obligate anaerobes = DIE @ oxygen
  3. Facultative anaerobes = Prefer oxygen but can live without it
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What type of bacteria does the mouth have?

A

Anaerobic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What bacteria does the nose have?

A

Staphylococcus and Streptococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the causes of GI infections? (5 things)

A
  1. Gastroenteritis (food poisoning)
  2. Cholera
  3. Intestinal Parasites
  4. Bacteraemia
  5. Septicaemia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the causes of Gastroenteritis?

A

Food / drink contaminated with toxins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the symptoms of Gastroenteritis?

A

Vomiting and diarrhoea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What organism causes Gastroenteritis?

A

Samonella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What toxin causes Gastroenteritis?

A

Staphyolococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What organism causes Cholera and how?

A

Vibrio cholerae

Affects ileum –> moves water and salt into lumen –> diarrhoea –> dehydration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the management for Cholera?

A

Replace lost water and electrolytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are examples of intestinal parasites and what they cause? (2 things)

A

Protozoans –> Gastroenteritis

Helminth infestations –> malabsorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How is bacteraemia managed in the body?

A

Bac cleared from blood stream by liver / spleen / MAC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the difference between bacteraemia and septicaemia?

A 
Bacteraemia = PRESENCE of bac in blood
Septicaemia = MULTIPLICATION of bac in blood
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the difference between food poisoning and food intoxication?

A

Food poisoning = general illness resulting from consumption of food

Food intoxication = ingestion of TOXINS contained within food

17
Q

What is the cause of Travellers Diarrhoea?

A

Enterotoxigenic E. Coli (ETEC)

18
Q

What is the diarrhoea like in Travellers Diarrhoea?

A

Severe cholera-like (beh watery)

19
Q

Is there inflammation in Travellers Diarrhoea?

A

No

20
Q

What is the cure for Travellers Diarrhoea?

A

It is a self-limited condition

Resolves on its own and has no long-term harmful effect

21
Q

What are the causes of Inflamm Bowel Disease? (4 things)

A
  1. Crohn’s Disease
  2. Ulcerative Colitis
  3. Diversion Colitis
  4. Diverticular Colitis
22
Q

What are the causes of intestinal infection?

A

Pathogens / toxins

ETA 4: INFECTION (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions