Respuesta :
1. How is dengue fever transmitted?
- Bite of an infected mosquito
- Bite of an infected male Aedes mosquito
- Bite of an infected female Anopheles mosquito
- Bite of an infected female Aedes mosquito
Answer: Bite of an infected female Aedes mosquito. Thus the correct option is 4. Dengue fever is mainly spread by the bite of infected Aedes mosquitoes, which includes A. aegypti and A. albopictus mosquitoes. A mosquito becomes infected when it bites a person who has dengue in his or her blood.
2. Incubation Period refers to
- Time between exposure and onset of symptoms
- Time between appearance of symptoms and recovery phase
- Time between exposure and course of illness
- Time between febrile phase and critical phase
Answer: For patients presenting during the first week after fever onset is called incubation period. Dengue begins abruptly after a typical incubation period of 5–7 days, and the course follows 3 phases namely febrile, critical, and convalescent. Hence, the correct option is A.
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