Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Detection of MOs

Food Micro Lab Final Exam

What are two books referenced for microbiological methods? FDA BAM, USDA Microbiology Guidebook
What is the purpose of using Petrifilms? A ready-to-use alternative to traditional enumeration media; does not require as much prep.
What is VIDAS? An automated immunoassay system.
VIDAS uses ELFA, which stands for what? Enzyme Linked Fluorescent Assay
VIDAS allows for specific detection of a ____ or _____. toxin, antigen
T or F: If a VIDAS result comes back positive, it means the product definitely is contaminated. False
T or F: VIDAS results need to be confirmed culturally or biochemically. True
Describe the MPN technique. Multiple dilutions of a sample are made and assessed for turbidity. The number of positive tubes corresponds to a MPN/100 mL.
MPN is based on the ______ distribution. Poisson
Define MPN. A statistical estimate of concentration.
What is TEMPO? An automated quality indicator system which does MPN for you.
What is the final result of TEMPO expressed in? CFU/g
Name three methods of conventional identification. Selective/differential media, serological testing, biochemical tests
Name three methods of rapid testing. PCR, ATLAS, Vitek
What are the three components of PCR? DNA extraction, DNA amplification, DNA detection
What are the steps involved in PCR? Denaturation, annealing, extension
qPCR uses ______ in order to detect levels of _____ _____. fluorophores, gene expression
What three biochemical methods are used for bacteria identification? Growth media, serological tests, protein analysis
What is Vitek used for? Identification of bacteria and antibiotic susceptibility.
T or F: MPN is particularly useful for high concentrations of organisms. False
Created by: goberoi