Blood and tissue nematodes I

Question 1

Lays eggs in unsegmented stage (unembryonated).

Answer 1

Oviparous

Question 2

Lays eggs in segmented stage (embryonated).

Answer 2

Ovoviviparous

Question 3

larva

Answer 3

Viviparous

Question 4

The time and day whereby blood contains
abundant number of micrifilariae, as compared to other hours.

Answer 4

Periodicity

Question 5

occurring at night.

[periodicity]

Answer 5

nocturnal

Question 6

occurring during the day.

[periodicty]

Answer 6

diurnal

Question 7

timing of occurrences not clear-cut.

[periodicity]

Answer 7

subperiodic

Question 8

Presence or absence of a delicate transparent covering known as a?

Answer 8

sheath

Question 9

[2] Morphological forms

Answer 9

1. Adult worms
2. Larvae/Microfilarae

Question 10

Appear creamy white and assume a threadlike appearance.

[morphological forms]

Answer 10

Adult worms

Question 11

Males may measure from 20 to 500 mm in length, which is often half that of typical adult females.

[morphological form]

Answer 11

Adult worms

Question 12

Common name of Wuchereria Bancrofti

Answer 12

Bancroft’s Filaria

Question 13

Nocturnal periodicity: peak hour of specimen collection are between 9:00 pm to 4:00 am.

Answer 13

Wuchereria Bancrofti

Question 14

Stimulates microfilariae to come out even during daytime.

Answer 14

Diethylcarbamizine

Question 15

Detection of Circulating Filarial Antigen (CFA)

Answer 15

Wuchereria Bancrofti

Question 16

[3] Vector of Wuchereria Bancrofti

Answer 16

1. Aedes
2. Culex
3. Anopheles

Question 17

May be found in the subtropical and tropical areas of the world including the philippines.

Answer 17

W. bancrofti

Question 18

Common name of Brugia Malayi

Answer 18

Malayan Filariasis, Malayan Filarial Worm

Question 19

Disease associated in Brugia Malayi

Answer 19

Malayan Filariasis, Elephantiasis

Question 20

Nocturnal/Subperiodic periodicity

Answer 20

Brugia Malayi

Question 21

Areas of the world in which the mosquitoes breed are the primary locations in which this filariae may be found including philippines.

Answer 21

Brugia Malayi

Question 22

Although humans are considered to be the primary definite host, it is also known to infect felines and monkeys.

Answer 22

Brugia Malayi

Question 23

[3] Transmitted by the mosquito in Brugia Malayi

Answer 23

1. Mansonia sp.
2. Anopheles
3. Aedes

Question 24

Fevers may take months to years to develop after initial infection.

Answer 24

Brugia Malayi

Question 25

Elephantiasis of the legs.

Answer 25

Brugia Malayi

Question 26

Treatment for this is similar to that for W. bancrofti.

Answer 26

Brugia Malayi

Question 27

Most useful medication is Diethylcarbamazine (DEC).

Answer 27

Brugia Malayi

Question 28

Common name of Loa Loa

Answer 28

African eye worm Oculi Humanis

Question 29

Disease associated in Loa Loa

Answer 29

Loaisis

Question 30

Diurnal periodicity: collection is done during the midday hours between 10:15 am to 2:15 pm.

Answer 30

Loa Loa

Question 31

The migrating adult worms may be extracted from a variety of body location including the eye.

Answer 31

Loa loa

Question 32

Human infection of Loa loa is initiated by the bite of an infected Chrysops fly, Tabanid, mango fly.

Answer 32

Loa loa

Question 33

Eosinophilia and calabar or transient subcutaneous swelling.

Answer 33

Loa loa

Question 34

Adult worms multiply throughout the subcutaneous tissues.

Answer 34

Loa loa

Question 35

The microfilariae are present in the blood but not until years after the initial infection making the diagnosis more difficult.

Answer 35

Loa loa

Question 36

The endemic regions of infection correlate with the areas where the vector flourishes.

Answer 36

Loa loa

Question 37

After initial bite, individuals infected with Loa loa may experience pruritis and localized pain.

Answer 37

Loa loa

Question 38

Adult worms may only be noticeable when seen migrating under the conjunctiva of the eye or crossing under the skin of the bridge of nose.

Answer 38

Loa loa

Question 39

Common name of Onchocerca Volvulus

Answer 39

Blinding Convulated Worm

Question 40

Disease associated in Onchocerca Volvulus

Answer 40

River blindness, Onchocerciasis

Question 41

skin nips

Answer 41

Onchocerca Volvulus

Question 42

Organisms residing in the eye are best seen by opthalmologic examination using slit lamp.

Answer 42

Onchocerca volvulus

Question 43

Presence of Eosinophilia and ocular discomfort.

Answer 43

Onchocerca volvulus

Question 44

Vector: Simulium or Black fly

Answer 44

Onchocerca volvulus

Question 45

It is distributed primarily in equatorial Africa and central america.

Answer 45

O. volvulus

Question 46

When eye becomes involved , lesions may lead to blindness.

Answer 46

Onchocerca volvulus

Question 47

Specimen choice for the recovery of Loa loa microfilarae?

Answer 47

Giemsa-stained blood

Question 48

Chrysops fly inhabits africa especially the rainforest belt region.

Answer 48

Loa loa

Question 49

Bacterial infection with streptococcus may occur.

Answer 49

Wuchereria bancrofti

Question 50

Adenolymphagitis/Dermatolymphagioadenitis: formation of granulomatous lesions following microfilarial invasion into lymphatics, chills, lymphadenopathy, lymphangitis, and eosinophilia.

Answer 50

Wuchereria bancrofti

Question 51

Formation of granulomatous lesions following microfilarial invasion into lymphatics, chills, lymphadenopathy, lymphangitis, and eosinophilia.

Answer 51

Adenolymphagitis/ Dermatolymphagioadenitis

Question 52

Elephantiasis or swelling of the lower extremities especially the legs develop due to obstruction of the lymphatics.

Answer 52

Wuchereria bancrofti

Question 53

Tropical pulmonary eosinophilia (TPE)

Answer 53

Wuchereria bancrofti

Question 54

TPE means?

Answer 54

Tropical pulmonary eosinophilia

Question 55

Hydrocoele/Chylocoele: obstruction of lymphatics of the tunica vaginalis

Answer 55

Wuchereria bancrofti

Question 56

Obstruction of lymphatics of the tunica vaginalis.

Answer 56

Hydrocoele/Chylocoele

Question 57

Milky urine: rupture of lymphatics

Answer 57

Wuchereria bancrofti

Question 58

rupture of lymphatics.

Answer 58

Milky urine

Question 59

On the death of the adult worms, calcification or formation of abscess may occur.

Answer 59

Wuchereria bancrofti

Question 60

Infection of this type are self-limiting because the adult worms eventually die and there are no signs of microfilariae being present. A patient may undergo the entire process and not even know it.

Answer 60

Aymptomatic

Question 61

heparinized blood

Answer 61

Nuclepore filter