Morphology of Microfilariae

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Questions and Answers

What is the typical length of a microfilaria?

  • 250-300 µm (correct)
  • 350-400 µm
  • 50-70 µm
  • 100-150 µm

What is the primary mode of transmission of lymphatic filariasis?

  • Direct contact with infected individuals
  • Airborne transmission
  • Infected mosquito bites (correct)
  • Contaminated food and water

In which part of the body do microfilariae circulate?

  • Nervous system
  • Muscular system
  • Lymphatic system
  • Bloodstream (correct)

What is the periodicity of microfilariae in peripheral circulation?

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

Which species of mosquito is the primary vector of lymphatic filariasis in India?

<p>Culex fatigans (B)</p> Signup and view all the answers

What is the definitive host of lymphatic filariasis?

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

What is a common manifestation of filariasis?

<p>All of the above (D)</p> Signup and view all the answers

What is the characteristic of the fever in acute adenolymphangitis?

<p>High and sudden in onset (C)</p> Signup and view all the answers

What is the result of rupture of lymph varices?

<p>Lymphorrhagia (B)</p> Signup and view all the answers

What is the typical progression of lymphedema?

<p>Starting around the ankle and spreading to the back of the foot and leg (D)</p> Signup and view all the answers

What is the largest reported size of a hydrocele?

<p>Over 100 kilograms (D)</p> Signup and view all the answers

What is the delayed sequel to repeated lymphangitis, obstruction, and lymphedema?

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

What is the shape of the tail of the female Wuchereria Bancrofti worm?

<p>Straight (C)</p> Signup and view all the answers

In which region is Brugia malayi primarily distributed?

<p>India and Far-East (A)</p> Signup and view all the answers

Where do the adult worms of Lymphatic filariasis reside?

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

How do the female worms of Wuchereria Bancrofti produce microfilariae?

<p>They release microfilariae directly into lymph (B)</p> Signup and view all the answers

What is the characteristic of the microfilariae of Wuchereria Bancrofti in terms of their presence in the blood?

<p>They are present in the blood only at night (C)</p> Signup and view all the answers

What is the approximate lifespan of the adult Wuchereria Bancrofti worm?

<p>10-15 years (A)</p> Signup and view all the answers

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