Quiz Questions

Question 1

Food-borne infection involves

Answer 1

Ingestion of food containing live pathogenic bacteria

Question 2

Food-borne intoxication involves

Answer 2

Ingestion of food containing toxins produced by microorganisms

Question 3

Efficacy of refrigeration (5*C) to control microbial spoilage is limited because

Answer 3

Several food spoilage microorganisms are able to grow slowly at low temperatures

Question 4

The causative agents of syphilis and Lyme disease have WHAT in common?

Answer 4

They both require a long incubation period post-infection before symptoms

Question 5

What is true of E. Coli

Answer 5

EIEC strains of E. Coli invade host intestinal epithelial cells

Question 6

There has been an increase of whooping cough despite vaccination due to

Answer 6

Occurrence of new strains not covered by the vaccine

Question 7

The causative agent of leprosy, Mycobacterium leprae, has a _________ symbiosis with its host

Answer 7

Parasitic

Question 8

Prior to birth babies have no bacteria. Babies born naturally acquire their first bacteria from

Answer 8

Their mother