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MCQs on Listeria, Corynebacterium, Arthrobacter (gram positive): Medical microbiology (with clinical case)

              MCQs on Listeria, Corynebacterium, Arthrobacter (with clinical case) 1. Which of the following groups is most susceptible to severe Listeria infections? A) Children B) Elderly     C) Teenagers D) Young adults 2. What is the most common food source associated with Listeria outbreaks? A) Fresh fruits and vegetables B) Salty crackers C) Raw eggs D) Soft cheeses   3. Which of the following symptoms is NOT typically associated with Listeria infection? A) Diarrhea     B) Fever C) Nausea D) Muscle aches 4. What is the recommended temperature for storing refrigerated foods to prevent Listeria growth? A) 32°F (0°C) B) 40°F (4°C)    C) 50°F (10°C) D) 60°F (15°C) 5. The primary virulence factor in Corynebacterium diphtheriae is: A) Capsule B) Endotoxin C) Exotoxin     D) Lipopolysaccharide 6. A 7 year old boy is presented to the emergency department because he had been ...