Consider the following statements regarding common human communicable diseases:
1. Typhoid fever is a bacterial infection caused by *Salmonella typhi*, primarily spread through contaminated food and water.
2. Ringworm is a contagious dermatological condition caused by a protozoan parasite.
3. Hepatitis B is a viral infection targeting the liver, primarily transmitted through exposure to infective blood and body fluids.
Which of the statements given above is/are correct?
- 1 and 3 onlyCevap
- B1 only
- C2 and 3 only
- D1, 2 and 3
Cevap
Statements 1 and 3 are correct.
Statements 1 and 3 are accurate. Typhoid fever is a bacterial disease caused by *Salmonella typhi* spread via contaminated water/food. Hepatitis B is a viral disease caused by HBV transmitted through contact with infected blood or body fluids. Statement 2 is incorrect because Ringworm is caused by dermatophytic fungi (such as *Trichophyton*), not by a protozoan parasite.
Adım Adım Çözüm
Anahtar Kavram
Classification of human infectious diseases based on causative pathogens (Bacterial, Fungal, Viral, Protozoan)