The food item associated with B.cereus emetic food-type poisoning is:
**Core Concept**
Bacillus cereus is a Gram-positive, rod-shaped bacterium that can cause two distinct types of food poisoning: emetic (vomiting) and diarrheal. The emetic type is characterized by a rapid onset of vomiting, often within 1-6 hours after consumption of contaminated food. This type of poisoning is associated with a specific food item that contains a toxin produced by the bacterium.
**Why the Correct Answer is Right**
The emetic toxin produced by B. cereus is heat-stable and can withstand cooking temperatures. It is a small, non-hemolytic peptide toxin that acts on the vomiting center in the brain, leading to intense nausea and vomiting. The toxin is often found in foods that are cooked or reheated, such as rice, pasta, and other starchy foods. The correct answer is a food item that is commonly associated with this type of poisoning.
**Why Each Wrong Option is Incorrect**
**Option A:** Fish is not typically associated with B. cereus emetic food-type poisoning.
**Option B:** Meat is not a primary food item associated with B. cereus emetic food-type poisoning.
**Option C:** Fruits are not commonly linked to B. cereus emetic food-type poisoning.
**Clinical Pearl / High-Yield Fact**
To prevent B. cereus emetic food-type poisoning, it is essential to handle and store foods properly, especially cooked or reheated foods. Foods should be cooled rapidly to prevent bacterial growth, and leftovers should be refrigerated promptly.
**Correct Answer: D. Fried Rice. Fried rice is a common food item associated with B.cereus emetic food-type poisoning due to its high starch content and potential for bacterial contamination during preparation and storage.**