Dengue hemorrhagic fever is caused by: March 2010
Correct Answer: Flavivirus
Description: Ans. B: Flavivirus Hemorrhagic dengue/Dengue shock syndrome/Philippine hemorrhagic fever/ Thai hemorrhagic fever/Singapore hemorrhagic fever is a severe, potentially deadly infection spread by ceain species of mosquitoes (Aedes aegypti). It is caused by dengue virus type 1-4 belonging to genus flavivirus Early symptoms include: Decreased appetite - Fever - Headache - Joint aches - Malaise - Muscle aches - Vomiting Acute phase symptoms include: - Restlessness followed by: Ecchymosis Generalized rash Petechiae Worsening of earlier symptoms - Shock-like state Cold, clammy extremities Sweatiness (diaphoretic) Impoant tests: -- Liver enzymes -- Platelet count - Serologic studies (demonstrate antibodies to Dengue viruses) - Serum studies from samples taken during acute illness and convalescence (increase in titer to Dengue antigen) - Tourniquet test (causes petechiae to form below the tourniquet) - X-ray of the chest (may demonstrate pleural effusion)
Category:
Microbiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now