microbiology

Question 1

small intestine infection

Answer 1

watery dirrhoea n vomiting

Question 2

large intestine infection

Answer 2

dysentery (diarrhoea with blood or mucus

Question 3

infection

Answer 3

ingestion of bugs

Question 4

intoxication

Answer 4

ingestion of preformed toxins

Question 5

most git infections are

Answer 5

viral (50-70%).

Question 6

s aureus

Answer 6

type A most common: heat stable

Question 7

clostridium botulinum

Answer 7

anaerobe in soil/water, can survive food preservation (e.g. will survive in cans

Question 8

clostridium difficile

Answer 8

pseudomembranous colitis - in a pt who was in hospital or took recent antibiotics

Question 9

e. coli

Answer 9

traveller’s diarrhoea, can be enterohaemorrhagic

Question 10

salmonella typhi

Answer 10

can cause typhoid fever; associated with uncooked chicken
diarrhoea.
heat labile toxins,
can be stored in gallbladder (cholycystectomy)

Question 11

helicobcater pylori

Answer 11

PUD

Question 12

shigella

Answer 12

dysentery

Question 13

listeriosis monocytogenes

Answer 13

problem in babies, foestuses, pregnancy and immunocompromised

can cross the placenta

can grow in refrigerated conditions

Question 14

viruses

Answer 14

rotavirus, norovirus, HAV

Question 15

bacillus cerus

Answer 15

spores survive cooking

found in cereals e.g. rice

Question 16

vibrio cholerae

Answer 16

in areas of poor sanitation, profuse watery diarrhoea