Microbiology Question:
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A 74-year old World War II Veteran who was a prisoner of war in the Philippines is admitted to the VAH with a Group A-Streptococcal cellulitis resulting from massive swelling of both lower legs from elephantiasis. Which of the following is false regarding elephantiasis caused by Wuchereria bancrofti?

Answer:

* A. If these infections are not treated early they rapidly progress to massive swelling of the involved lymphatic drainage area
* B. It is transmitted to humans by the mosquito
* C. Humans are the definitive host
* D. The microfilaria in the blood stream of man can be transfused to another person without establishing a new infection
* E. The adult organisms live in the lymphatic channels of man and can result in scarring of the Lymphatic channels

Correct Answer: A

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A 4th year medical student from the UofU traveled to Northern Ghana during an international rotation to Accra. He was fortunate enough to see a patient with Dracunculus medinensis in which they were extracting a worm from his leg onto a pencil. This parasite is being eradicated from the world. Which of the following is least likely to help rid the world of Dracunculus medinensis?An ophthalmologist from Cameroon, Africa describes the microfilaria seen in the eye of patients with Onchocerciasis. He states that he treats only after finding 30+ microfilaria because of the toxicity of Diethyl-Carbamazine that was used for treatment. Now with a less toxic agent, (Ivermectin) a major attempt is being made to eradicate Onchocerca volvulus. Which statement is false regarding Onchocerca volvulus?