REHS Food Protection Practice Exam 2025 – Complete Prep Guide

Question: 1 / 400

What is the maximum acceptable fecal coliform count for oyster-shell shock or shucked oysters sampled at the source?

50 MPNB

100 MPNB

230 MPNB

The maximum acceptable fecal coliform count for oyster-shell shock or shucked oysters sampled at the source is set at 230 MPNB (Most Probable Number per 100 milliliters of water). This standard reflects the necessary safety measures in shellfish handling and consumption. Fecal coliforms are indicators of potential contamination from fecal matter, which can harbor pathogens harmful to human health.

Setting the limit at 230 MPNB helps to ensure that the oysters are safe for public consumption. If the count exceeds this level, it indicates a higher risk for the presence of harmful bacteria or viruses associated with shellfish, necessitating precautions such as further testing, closure of harvesting areas, or recalling affected products.

By adhering to this standard, regulatory agencies can help prevent foodborne illnesses associated with shellfish consumption, ensuring a safer food supply for consumers.

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500 MPNB

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