Filarial Nematodes Trivia Quiz!
(159).jpg "Filarial Nematodes Trivia Quiz!")
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- 1.Wuchereria bancrofti and Brugia microfilariae have a diurnal periodicity.
- A.
True
- B.
False
- 2.If an unsheathed microfilariae that is 250 - 300 microns long (big at x100) has nuclei that don't go to its tail tip it is:
- A.
Mansonella Ozzardi
- B.
Onchocerca volvulus
- C.
Brugia malayi
- D.
Wuchereria bancrofti
- 3.The L1 larvae of W.bancrofti and B.malayi develop to L3 larvae in the...
- A.
Human blood
- B.
Midgut of the mosquito vector
- C.
Thoracic muscles of the mosquito vector
- D.
Human lymphatics
- 4.Pulmonary tropical eosinophilia syndrome occurs in Loa loa infection.
- A.
True
- B.
False
- 5.Mass drug administration for lymphatic filariasis has to occur for how long and in what population percentage to achieve eradication.
- A.
4 - 6 years and 70% population coverage.
- B.
2 - 4 years and 50% population coverage
- C.
4 - 6 years and 90% population coverage
- D.
6-7 years and 80% population coverage
- 6.Wuchereria bancrofti is found...
- A.
In Asia
- B.
In Africa
- C.
In Africa, Asia and South America
- D.
In Africa and South America
- 7.What drug is used to treat lymphatic filariasis caused by Wuchereria bancrofti in areas of Africa co-endemic for Onchocerciasis?
- A.
Albendazole
- B.
DEC
- C.
Ivermectin
- D.
Doxycycline
- 8.Treatment of Wolbachia with doxycycline causes sterilization of the female worms.
- A.
True
- B.
False
- 9.The vector for Onchocerciasis is:
- A.
Anopheles mosquito
- B.
Blackfly
- C.
Culicoides midge
- D.
Chrysops
- 10.These three forms of skin disease may occur in Onchocerciasis.
- A.
Leopard skin depigmentation
- B.
Larval currens
- C.
Sowda
- D.
Lizard skin atrophy
- 11.The Mazotti test involves giving DEC to patients with Onchocerciasis.
- A.
True
- B.
False
- 12.Onchocercoma nodules occur mainly...
- A.
Around the eyes
- B.
On the hands
- C.
Over bony prominences
- D.
On the legs
- 13.Mansonella ozzardi is found in the old world.
- A.
True
- B.
False
- 14.Mansonella microfilariae are unsheathed.
- A.
True
- B.
False
- 15.Which of the following are possible clinical forms of a Mansonella infection.
- A.
Asymptomatic
- B.
Pruritis
- C.
Calabar-like swellings
- D.
Facial oedema
- 16.Which of the following are Mansonella perstans vectors?
- A.
Blackfly
- B.
Chrysops
- C.
Culicoides midge
- D.
Tsetse
- 17.Mansonella streptocerca can be diagnosed with a skin snip.
- A.
True
- B.
False
- 18.A microfilaria with a loose sheath, nuclei to its tail tip, bent tail and bigger than 250 microns is
- A.
W.bancrofti
- B.
Loa loa
- C.
M.streptocerca
- D.
O.volvulus
- 19.Loa loa microfilariae have a diurnal periodicity
- A.
True
- B.
False
- 20.Mansoni mosquitoes are vectors of Brugia malayi.
- A.
True
- B.
False
- 21.What do patients have to be monitored for when given DEC for Loa loa
- A.
Anaphylaxis
- B.
Heart arrythmias
- C.
Brain inflammation
- D.
They don't have to be monitored
- 22.An unsheathed micofilaria, small at x100 (less than 250 microns), nuclei to its tail tip and a bent tail is Mansonella perstans
- A.
True
- B.
False
- 23.A calabar swelling is caused by angioedema.
- A.
True
- B.
False
- 24.What is used to treat Mansonella ozzardi?
- A.
DEC
- B.
Single dose of ivermectin
- C.
Albendazole
- D.
Multiple doses of ivermectin
- 25.Transient punctate keratitis is a clinical manifestation of infection with Brugia.
- A.
True
- B.
False
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