Midterm T.4

Question 1

Food Infections

Answer 1

illness that results from ingesting living, pathogenic bacteria
salmonella sp, listeria sp, shigella sp, campylobacter jejuni

Question 2

food intoxications

Answer 2

illness from ingesting a preformed toxin

clostridium botulinum
staphylococcus aureus

Question 3

toxin-mediated infection

Answer 3

illness from infestion of living, infection-causing bacteria that produce toxin in intestine

C. perfringens
E coli 0157:H7

Question 4

Norovirus

Answer 4

GI pathogen
transmitted by drinking contaminated food or water

symptoms similar to stomach flu (vomit, diarrhea, nausea)
IBS

Question 5

Listeria monocytogenes

Answer 5

lives in environment
food infection
resist heat, salt, nitrite, low T, acidity
raw or unpasteurized milk and cheeses, ready to eat meats

Question 6

Salmonella sp.

Answer 6

salmonellosis (fever)
food infection
reactive arthritis
in intestines of animals
spread by consuming contaminated food or beverages (animal products)

Question 7

Escherichia coli O157:H7

Answer 7

toxin-mediated
post ingestion toxin
some types of E. coli are benign, some pathotypes cause disease

Question 8

Campylobacter jejuni

Answer 8

food infection
reactive arthritis, IBS

Question 9

staphylococcus aureus

Answer 9

food poisoning

food intox

destroyed by cooking, toxin is not

in skin and nose of animals

Question 10

Long term sequelae

Answer 10

condition that is the consequence of a precious illness

HUS caused by E. coli O157:H7 -> kidney failure

reactive arthritis after C. jejuni or salmonella poisoning may cause chronic arthritis
IBS by campylobacter, shigella, norovirus