Plasmodium vivax causes

Options

A. Benign tertian malaria
B. Malignant tertian malaria
C. Quartan malaria
D. Mild malaria

Answer

**Step-by-Step Solution:**

1. **Understanding Malaria**: Malaria is an infectious disease caused by protozoan parasites of the genus Plasmodium, which are transmitted to humans through the bite of infected Anopheles mosquitoes.

2. **Identifying the Species**: There are several species of Plasmodium that cause malaria, including Plasmodium vivax, Plasmodium falciparum, Plasmodium malariae, and Plasmodium ovale.

3. **Analyzing the Options**:
- **Benign Tertian Malaria**: This type of malaria is specifically caused by Plasmodium vivax. Symptoms typically include fever, chills, and headache.
- **Malignant Tertian Malaria**: This is caused by Plasmodium falciparum, not P. vivax.
- **Quatern Malaria**: This type is caused by Plasmodium malariae, which is also incorrect for P. vivax.
- **Mild Malaria**: This is associated with Plasmodium ovale, making it another incorrect option.

4. **Conclusion**: Based on the analysis of the options, the correct answer is that Plasmodium vivax causes benign tertian malaria.

**Final Answer**: Plasmodium vivax causes benign tertian malaria.

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