UPSC Prelims 2005·GS1·science-and-technology·science and technology

Consider the following statements: 1. Dengue is a protozoan disease transmitted by mosquitoes. 2. Retro-orbital pain is not a symptom of Dengue. 3. Skin rash and bleeding from nose and gums are some of the symptoms of Dengue. Which of the statements is/are correct?

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  1. A1 and 2
  2. B3 onlyCorrect
  3. C2 only
  4. D1 and 3

Explanation

The correct option is B because of the following reasons: Statement 1 is incorrect because Dengue is a viral disease, not a protozoan disease. It is caused by the Dengue virus and is transmitted to humans through the bite of infected Aedes aegypti and Aedes albopictus mosquitoes. Statement 2 is incorrect because retro orbital pain, which is pain behind the eyes, is actually a classic and hallmark symptom of Dengue fever. Statement 3 is correct because skin rashes and bleeding from the nose or gums are common clinical symptoms associated with Dengue, particularly in more severe cases like Dengue Hemorrhagic Fever. Since only the third statement is accurate, the correct answer is B.
science-and-technology: Consider the following statements: 1. Dengue is a protozoan disease transmitted by mosquitoes. 2. Retro-orbital pain is

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