Parasitology Reinforcement Practice Quiz 2

African eye worm

The two most common mosquito-borne causative agents of LF are

Separate your answers with a comma followed by a space (eg. Answer1, Answer2)

This is characterized by lymphangitis that progresses distally along the lymphatic vessel, producing a palpable “cord.”

• Acute

  dermatolymphangioadenitis

• Lymphedema

• Adenolymphangitis

• Acute filarial lymphangitis

Infection with Brugia can selectively induce apoptosis to what specific lymphocyte?

• CD2+

• CD4+

• CD8+

• CD16+

These are individuals who harbor in their blood the parasite antigen instead of the microfilariae.

• Endemic Normals

• Epidemic Normals

• Pandemic Normals

Malayan filarial worm

A cardinal feature of LF where live filarial parasites or filarial antigens induce lymphatic endothelial cell proliferation and differentiation leading to collateralization

• Lymphangitis

• Lymphangiogenesis

• Lymphangiectasia

• Lymphedema

Which of the following genera have been shown to be biologic vectors of Wuchereria?

I. Aedes II. Culiseta

III. Culex IV. Mansionia

V. Anopheles VI. Aedeomyia

• I, II, III

• I, III, V

• II, IV, VI

• I, II, III, IV, V, VI

Appear as minute snake-like

organisms constantly moving among the red

blood cells in fresh specimens

• Egg

• Larvae

• Microfilariae

• Adult worm

Adult females of Brugia malayi and Wuchereria bancrofti are indistinguishable.

Adult male and female Wuchereria bancrofti worms are found tightly coiled in nodular dilated nests in lymph vessels and in sinuses of lymph glands.

• Statement 1 is true; Statement 2 is false.

• Statement 1 is false; Statement 2 is true.

• Both statements are true.

• Both statements are false.