Tropical Disease Quiz

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Questions and Answers

Which disease is also known as elephantiasis?

  • Brugia malayi
  • Onchocerca volvulus
  • Brugia timori
  • Wuchereria bancrofti (correct)

What is the name of the related condition caused by Onchocerca volvulus?

  • Brugia timori
  • River blindness (correct)
  • Filariasis
  • Brugia malayi

How do blackflies transmit Onchocerca volvulus?

  • Through direct contact
  • Through ingestion of contaminated water
  • Through their bites (correct)
  • Through mosquito bites

Which part of the body does Onchocerca volvulus primarily affect?

<p>Skin (D)</p> Signup and view all the answers

How many people worldwide are estimated to have either filariasis or river blindness?

<p>1.5 billion (A)</p> Signup and view all the answers

Flashcards

What is Wuchereria bancrofti?

A disease also known as elephantiasis.

What is River blindness?

A condition caused by Onchocerca volvulus, leading to vision impairment.

What are blackflies?

The vector that transmits Onchocerca volvulus to humans.

What is the skin?

The primary site of infection for Onchocerca volvulus.

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What is 1.5 billion?

The estimated number of people worldwide affected by filariasis or river blindness.

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Study Notes

Filariasis and River Blindness

  • Lymphatic filariasis is also known as elephantiasis, a disease characterized by abnormal enlargement of body parts.
  • Onchocerciasis, also known as river blindness, is a related condition caused by Onchocerca volvulus.
  • Blackflies transmit Onchocerca volvulus through their bites, which deposit microfilariae into the human body.
  • Onchocerca volvulus primarily affects the skin and eyes, causing severe skin lesions and vision impairment.
  • It is estimated that approximately 120 million people worldwide are affected by either filariasis or river blindness.

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