BLOOD AND TISSUE NEMATODES

Question 1

MOT of W. bancrofti

Answer 1

skin innoculation of L3 by arthropods

Question 2

IS W. bancrofti

Answer 2

L3 larvae

Question 3

DS W. bancrofti

Answer 3

pre larvae of filarial worms (sheathed microfilariae)

Question 4

Arthropodic vector of W. bancrofti

Answer 4

Mosquitoes (Aedes, Culex,
Anopheles, Mansonia spp.)

Question 5

Arthropodic vector of B. malayi

Answer 5

Mosquito (Mansonia spp)

Question 6

Arthropodic vector of Loa loa

Answer 6

Deerflies/Mangoflies (Chrysops spp.)

Question 7

Arthropodic vector of Mansonella perstans, Mansonella ozzardi, Mansonella streptocerca

Answer 7

Midges (Culicoides spp)

Question 8

Arthropodic vector of Onchocerca volvulus

Answer 8

Blackflies (Simulium spp.)

Question 9

habitat of W. bancrofti adult

Answer 9

Lower lymohatics

Question 10

habitat of adult B. malayi

Answer 10

upper lymphatics

Question 11

habitat of adult Loa loa

Answer 11

subcutaneous tissue (eyes)

Question 12

habitat of adult M. perstans and M. ozzardi

Answer 12

Body cavities/Mesenteries

Question 13

habitat of adult M. streptocerca

Answer 13

dermis of the skin

Question 14

habitat of adult O. volvulus

Answer 14

subcutaneous tissues (eyes)

Question 15

eyeworm

Answer 15

Loa loa

Question 16

true or false

Loa loa does not usually cause blindness

Answer 16

true

Question 17

blinding filaria

Answer 17

Onchocerca volculus

Question 18

Lymphedema of the limbs,
breast, or scrotum

Answer 18

W. bancrofti

Question 19

Lymphedema of the limbs,

Answer 19

elephantiasis

Question 20

Lymphedema of the scrotum

Answer 20

hydrocele

Question 21

Elephantic lesions in the
upper limbs

Answer 21

B. malayi

Question 22

Calabar or fugitive swelling

Answer 22

Loa loa

Question 23

river blindness

Answer 23

Onchocerca volvulus

Question 24

sheath in W. bancrofti, B. malayi, Loa loa

Answer 24

present

Question 25

sheath in M. perstans, M. ozzardi, M. streptocerca, O. volvulus

Answer 25

absent

Question 26

nuclei in the tail tip of W. bancrofti, O. volvulus and M. ozzardi

Answer 26

no

Question 27

nuclei in the tail tip of B. malayi

Answer 27

2 distinct terminal nuclei

Question 28

nuclei in the tail tip of Loa loa and M. perstans

Answer 28

yes

Question 29

Sheperd's crook tail end/ hooked tail end

Answer 29

M. streptocerca

Question 30

periodicity of W. bancrofti

Answer 30

10pm -2am (nocturnal/periodic)

Question 31

periodicity of B. malayi

Answer 31

nocturnal subperiodic (may recoverned at day but higher at night)

Question 32

diurnal periodic

Answer 32

Loa loa

Question 33

non periodic

Answer 33

M. perstans and M. ozzardi

Question 34

periodicity is not applicable because the specimen is not blood

Answer 34

M. streptocerca and O. volvulus

Question 35

spx of M. streptocerca and O. volvulus

Answer 35

skin snips

Question 36

time of appearance of malariae in peripheral blood

Answer 36

periodicity