Question:
The causative organism of Pneumonia is ________.
The causative organism of Pneumonia is ________.
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Do not be fooled by the name. Despite its name containing "influenza" (which might make you think of the viral flu), Haemophilus influenzae is a BACTERIUM that primarily causes bacterial pneumonia and meningitis.
Updated On: Apr 28, 2026
- Wuchereria malayi
- Haemophilus influenza
- Salmonella typhi
- Trichophyton
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept: Different infectious diseases in humans are caused by specific pathogenic agents (such as bacteria, viruses, fungi, or parasites).
Step 2: Key Formula or Approach: Match the given disease name with its medically identified causative pathogen.
Step 3: Detailed Explanation: Let's systematically analyze the given pathogens:
Wuchereria malayi is a parasitic filarial worm responsible for causing filariasis (elephantiasis).
Salmonella typhi is a pathogenic bacterium responsible for causing systemic typhoid fever.
Trichophyton is a genus of fungi responsible for causing superficial ringworm infections.
Haemophilus influenzae (along with Streptococcus pneumoniae) is a specific bacterium responsible for infecting the alveoli of the lungs, causing the severe respiratory disease Pneumonia.
Step 4: Final Answer: Therefore, Haemophilus influenzae is the correct causative organism for Pneumonia.
Step 2: Key Formula or Approach: Match the given disease name with its medically identified causative pathogen.
Step 3: Detailed Explanation: Let's systematically analyze the given pathogens:
Wuchereria malayi is a parasitic filarial worm responsible for causing filariasis (elephantiasis).
Salmonella typhi is a pathogenic bacterium responsible for causing systemic typhoid fever.
Trichophyton is a genus of fungi responsible for causing superficial ringworm infections.
Haemophilus influenzae (along with Streptococcus pneumoniae) is a specific bacterium responsible for infecting the alveoli of the lungs, causing the severe respiratory disease Pneumonia.
Step 4: Final Answer: Therefore, Haemophilus influenzae is the correct causative organism for Pneumonia.
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