Staphylococcal enterotoxins typically take 3-5 days for onset of symptoms.

• A. True
• B. It can take longer than 5 days
• C. It can take 1-2 days
• D. False

Answer: (D)

Staphylococcal enterotoxins cause food poisoning with a rapid onset after ingestion of the preformed toxin in contaminated food. Symptoms typically appear within a few hours—usually about 2 to 6 hours after eating—and resolve within about a day. An onset of 3–5 days would not fit toxin-mediated food poisoning and would suggest a different mechanism or illness. Therefore, the statement is false.