Skip Navigation Links
Centers for Disease Control and Prevention

 CDC Home Search Health Topics A-Z
Office of Surveillance, Epidemiology, and Laboratory Services
EXCITE

EXCITE Home  |  Contact Us
Menu Contents



Science Olympiad » Disease Detectives Event » Sample Problems and Answer Keys
Answer Key: E. coli



See Also...
Problem

1. a

2. b

3. Not washing hands after handling raw meat. 

Using the same plate for handling raw and cooked meat.

Handling food items that will be served raw near raw meat using the same utensils, cutting boards.

Placing raw meat in refrigerator above foods that will be served raw, allowing juice from meat to drip onto other fruit.

4. Antibiotics are associated with increasing the risk of Hemolytic Uremic Syndrome in children.

5. d

6. Confirmed case-patient: Persons who ate at the Sizzler’s restaurant between July 14 and July 21 who became ill within 10 days with diarrhea (watery or bloody), abdominal cramps, nausea and/or vomiting and had a positive stool culture for E. coli O157:H7.

7. d

8. a


Tiebreaker

1. c 
2. b 
3. b 
4. c 
5. d 
6. a 
7. e 
8. c 
9. a 
10. d 





This page last reviewed April 24, 2007

EXCITE Home | Contact Us
CDC Home | Search | Health Topics A-Z
Privacy Policy | Accessibility

United States Department of Health Human Services
Centers for Disease Control and Prevention
Office of Surveillance, Epidemiology, and Laboratory Services
Scientific Education and Professional Development Program Office