Virology · NEET PG Preparation Microbiology
During an outbreak of acute gastroenteritis in a pediatric ward, several children and staff members are affected. Electron microscopy of stool sample…
Practice question from Virology (NEET PG Preparation Microbiology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-393866
During an outbreak of acute gastroenteritis in a pediatric ward, several children and staff members are affected. Electron microscopy of stool samples reveals small, non-enveloped, round viruses with a cup-shaped depression on their surface (often described as having a 'Star of David' appearance). What is the causative agent?
- A.Rotavirus
- B.Norovirus
- C.Adenovirus
- D.AstrovirusCorrect answer
Solution
Astroviruses derive their name from the star-like appearance ('astron' means star in Greek) seen on electron microscopy, often showing a 5- or 6-pointed star configuration with a central hollow or cup-shaped structure.
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