Wuchereria Bacrofti

Question 1

What is the size range for this worm?

Answer 1

240-300 um

Question 2

Was there a sheath present?

Answer 2

Yes

Question 3

What was the arrangement of nuclei in tail?

Answer 3

Tip of tail is free of nuclei

Question 4

What is the periodicity of Wuchereria bancrofti and its’ peak hour?

Answer 4

Nocturnal, 9:00 PM to 4:00 AM

Question 5

What is used to stimulate microfilariae to come out even during daytime?

Answer 5

Diethylcarbamizine

Question 6

What is the specimen of choice for Wuchereria Bancrofti?

Answer 6

Examination of fresh Giemsa-stained blood

Question 7

What is used to increase sensitivity of larva?

Answer 7

Extract blood using heparin then filter using nuclepore filter

Question 8

It is used during a light infection with 2% formalin (lying other cells to specificity the filariae)

Answer 8

Knott technique

Question 9

The mosquito serves as what type of host in this fialriae?

Answer 9

Intermediate host

Question 10

The sexual stage happened to what host?

Answer 10

Human

Question 11

What are the vectors of this filariae?

Answer 11

Aedes, Culex, Anopheles ( found in philippines, with cases of w.bancrofti) in province,

Question 12

What is the clinical symptoms of W.bancrofti?

Answer 12

Asymptomatic

Question 13

It os the swelling of lower extremities especially the legs due to obstruction of lymphatic

Answer 13

Elephantiasis

Question 14

On the death of the adult worms, what could occur?

Answer 14

Calcification or formation of abscess

Question 15

What are the treatments for w.bancrofti?

Answer 15

1. Diethylcarbamazine (DEC
2. Ivermectin (Stromectol)
3. Surgical removal of excess tissue for scrotum
4. Use of special boots or elastic bandage

Question 16

What is the common name for W bancrofti?

Answer 16

Bancroft’s filaria

Question 17

What are the diseases for W bancrofti?

Answer 17

Bancroft’s filariasis, elephantiasis, filariasis bancrofti