Question

A patient suffering from cough last 20 days or longer, may have an infection of

• A. TB.
• B. HIV.
• C. Hepatitis.
• D. Typhoid.

Answer 1

The correct option is A

Explanation of the correct option:

1. Cough is a symptom related to any specific respiratory infection.
   
2. Tuberculosis is caused by a bacterial pathogen that affects the respiratory tract and the lungs.
   
3. If active tuberculosis occurs in the lungs, the symptoms can include a cough lasting 3 weeks or more, pain in the chest area, breathing difficulty, weight loss, cough that brings blood or mucus, chills, fever, and fatigue.
   

Explanation of the incorrect options:

Option B:

1. HIV is a viral infection which is a sexually transmitted disease.
   
2. Cough in not a symptom related to HIV infection.
   
3. HIV is the disease of immune system.
4. It makes the immune system weak, hence, giving way to multiple infectious diseases including T.B.

Option C:

1. ​Hepatitis is disease caused by viral pathogens.
   
2. This viral pathogen affects the functioning of the liver.
   
3. It is not related to the respiratory tract, hence, cough is not a symptom of hepatitis.

Option D:

1. ​Typhoid is a bacterial pathogen which affects the gastrointestinal tract including liver, spleen and muscles of the individual.
   
2. Typhoid does not lead to respiratory infection and hence it does not lead to coughing.
   

Final Answer: A patient suffering from cough last 20 days or longer, may have an infection of TB.