Medical Microbiology Quiz

What is a granuloma?

• A type of bacteria

• An organized collection of inflammatory cells around a pathogen

• A type of virus

• A type of fungus

What causes necrosis and replacement of the original tissue by fibrosis in granuloma?

• Macrophages

• Tuberculosis

• Inflammatory cells

• Bacteria

What is the basic unit of tuberculosis?

• Epithelioid cells

• Granuloma

• Mycobacterium tuberculosis

• Tubercle

How does M. tuberculosis reproduce inside the macrophage?

• By releasing toxins

• By engulfing the macrophage

• By replicating its DNA

• By forming dormant infections

What is the mechanism of caseation in tuberculosis?

• By bacterial replication

• By lymphokines against tubercle bacilli antigen

• By macrophage activation

• By fibrosis

What is miliary tuberculosis?

• TB infection in the intestines

• Spread of TB all over the body

• Localized TB infection

• TB infection in the lungs

What are the symptoms of pulmonary tuberculosis?

• Chronic cough, fever, night sweats, weight loss

• Joint pain, headache, nausea, fatigue

• Abdominal pain, diarrhea, vomiting, dehydration

• Skin rash, shortness of breath, chest pain, dizziness

What is intestinal tuberculosis?

• TB infection in the intestines

• TB infection in the heart

• TB infection in the brain

• TB infection in the lungs

What is Pott's disease?

• TB infection in the skin

• TB infection in the eyes

• TB infection in the vertebrae

• TB infection in the liver

What is the pathological feature of Pott's disease?

• Herniated disc

• Lordosis

• Scoliosis

• Kyphosis