Bacillus cereus food poisoning is commonly associated with the consumption of:

Appeared in: ESIC Nursing Officer -2019 (Shift -1)

Explanation

Bacillus cereus food poisoning is classically linked to cooked rice that is not stored properly.
The bacterium produces heat-resistant spores that survive initial cooking.
When cooked rice is left at room temperature, these spores germinate and produce a heat-stable emetic (vomiting) toxin.
Subsequent frying does not destroy this pre-formed toxin, leading to illness upon consumption.

Option A: Green beans are not a common source of Bacillus cereus poisoning.
Option C: While potatoes can be a source of foodborne illness, they are not the most common source for B. cereus.
Option D: Bottled honey is not associated with Bacillus cereus poisoning.

Visual 1: Diagram: The cycle of Bacillus cereus contamination in rice, showing spore survival, germination during improper storage, and toxin production.
Visual 2: Infographic: A chart comparing common foodborne pathogens (B. cereus, C. botulinum, Salmonella, E. coli), their typical food sources, incubation periods, and primary symptoms.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Etiology of Bacillus cereus food poisoning as background academic context rather than a clinical decision trigger.
A key nursing role in community health is educating the public on food safety practices to prevent foodborne illnesses.
When a patient presents with symptoms of food poisoning, obtaining a detailed food history is crucial for identifying the potential source and causative agent, which guides treatment and public health reporting.
What if? If a group of people get sick after a potluck, and the main symptoms are vomiting within 1-6 hours, the nurse should have a high suspicion for B. cereus or Staphylococcal toxin, likely from foods like rice, pasta, or cream-filled pastries that were held at room temperature.

How to Approach the Question

This is a factual recall question that tests your knowledge of microbiology and food safety.
First, identify the key pathogen in the question: 'Bacillus cereus'.
Next, access your knowledge base about the common food vehicles for this specific bacterium.
Evaluate each option. 'Fried rice' is the textbook example for the emetic form of B. cereus food poisoning.
Rule out the other options by associating them with their more common pathogens: Green beans and baked potatoes with C. botulinum, and honey with infant botulism (also C. botulinum).

Concept Tested & Keywords

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Practise the full ESIC Nursing Officer -2019 (Shift -1)

Attempt every question from this paper in a timed mock, then review the full solution for each one.