ANSC 326 Exam 3 Questions with Complete Solutions.

ANSC 326 Exam 3 Questions with Complete Solutions
warmer conditions Correct Answer-When does chance of infection go
up for disease?


incubation period Correct Answer-time between exposure to disease
agent and point of which symptoms appear


3-4 days Correct Answer-incubation period for EHEC


infectious- can cause diarrhea, bloody diarrhea, HUS, TTP (severe
cases) Correct Answer-EHEC diseases


9-12 cells Correct Answer-What is the infectious dose for EHEC?


non-intact fresh beef, fresh produce, dairy products Correct Answer-
What is the primary source for EHEC?


gut tracks of animals (fecal shedding) Correct Answer-What is the
primary reservoir for EHEC?


inability to ferment sorbitol and lack of production of B-glucoronidase
Correct Answer-How is E.coli O157:H7 distinguished?


HUS, TTP Correct Answer-what can stx1 and 2 produced from EHEC
cause?

, gut track of animals, mostly poultry Correct Answer-What is the primary
reservoir for salmonella


animal derived foods- raw meat, dairy, fresh produce Correct Answer-
What is salmonella transmitted through?


fever, frequent diarrhea, abdominal pain Correct Answer-What is causes
by salmonella?


Facultative anaerobe, rod shaped, gram negative, mesophyllic (not good
under refrigeration) Correct Answer-What are the characteristics of
Salmonella and EHEC?


7 to 28 days Correct Answer-What is the incubation period for
salmonella?


a few to a lot Correct Answer-what is the infectious dose of salmonella?


humans Correct Answer-What is the reservoir for shigella?


fecal-oral transmission Correct Answer-how is shigella transmitted?


shigella Correct Answer-What pathogen is almost genetically identical
to EHEC?