PROTOZOA (Hemoflagellates)

Question 1

Requires two hosts to survive

Answer 1

Hemoflagellates

Question 2

Hemoflagellates
Definitive host:

Answer 2

Man

Question 3

Hemoflagellates
Intermediate Host:

Answer 3

Arthropods/Vectors

Question 4

Leishmania
Intermediate Host

Answer 4

Phlebotomus (sand flies)

Question 5

Leishmania
Developmental stage

Answer 5

Amastigote and Promastigote

Question 6

Leishmania
Infective stage to MAN

Answer 6

Promastigote

Question 7

Trypanosoma brucei
Intermediate Host

Answer 7

Glossina (Tse-tse fly)

Question 8

Trypanosoma brucei
Developmental stage

Answer 8

• Epimastigote,
  -Trypomastigote,
  -Metacystic trypomastigote

Question 9

Trypanosoma brucei
Infective stage to MAN

Answer 9

Metacystic trypomastigote

Question 10

Trypanosoma cruzi
Intermediate Host

Answer 10

• Reduviid bug
• Triatomine Kissing bug
• Assassin bug

Question 11

Trypanosoma cruzi
Developmental stage

Answer 11

-Epimastigote
-Trypomastigote
-Metacystic trypomastigote
-Amastigote

Question 12

Trypanosoma cruzi
Infective stage to MAN

Answer 12

Metacystic trypomastigote

Question 13

lives intracellularly, found in monocyte, polymorphonuclear monocyte, endothelial cells Oval shape, 2-3 um diameter, no flagella and nucleus but with kinetoplast. Found on man

Answer 13

Leishmania (Mammalian type) / Amastigote

Question 14

seen in intermediate host, found on transmitting fly, with flagellum at the anterior, no undulating membrane

Answer 14

Leptomonas / Promastigote

Question 15

Seen in trypanosoma spp. transmitting flies, seen on salivary gland of the transmitting fly

Answer 15

Epimastigote / Crithidia

Question 16

Seen trypanosoma spp., developed on MAN

Answer 16

Trypomastigote / Trypanosomal

Question 17

Round to oval

Answer 17

Amastigote (Human)

Question 18

Long and Slender

Answer 18

Promastigote (Vector)

Question 19

Kinetoplast is present with dot like blepharoblast

Answer 19

Amastigote (Human)

Question 20

One near center

Answer 20

Promastigote (Vector)

Question 21

Parabasal body adjacent to blepharoblast, No flagellum

Answer 21

Amastigote (Human)

Question 22

Free single flagella

Answer 22

Promastigote (Vector)

Question 23

Usually found on cells

Answer 23

Amastigote (Human)

Question 24

(deadliest among the three)

Answer 24

Leishmania donovani

Question 25

Leishmania donovani Spx of choice:

Answer 25

Aspiration

Question 26

Associated diseases in Leishmania donovani

Answer 26

Visceral leishmaniasis Kalazar fever Dumdum fever Black disease Tropical splenomegaly

Question 27

Leishmania tropica Spx of choice:

Answer 27

Skin biopsy (superficial infestation)

Question 28

Associated diseases in Leishmania tropica

Answer 28

Cutaneous leishmaniasis Oriental sore Aleppo Baghdad boil Delhi ulcer

Question 29

Leishmania braziliensis Spx of choice:

Answer 29

Tissue biopsy (infection caused by eating of the whole tissue -> deformity)

Question 30

Associated diseases in Leishmania braziliensis

Answer 30

Mucocutaneous leishmaniasis Espundia Chiclero ulcer American Leishmaniasis

Question 31

Long and Slender (C, S, or U shape)

Answer 31

Trypomastigote (Human)

Question 32

Long and wider than promastigote

Answer 32

Epimastigote (Vector)

Question 33

Undulating membrane whole body length

Answer 33

Trypomastigote (Human)

Question 34

Undulating membrane half of body length

Answer 34

Epimastigote (Vector)

Question 35

Free flagellum

Answer 35

Trypomastigote (Human) Epimastigote (Vector)

Question 36

Trypanosome gambiensi MOT:

Answer 36

Salivary skin inoculation (bite)

Question 37

Disease Associated in Trypanosome gambiensi

Answer 37

West African Sleeping Sickness (circulates throughout the body, half awake, half sleep) Winterbottom sign and Kerandel sign

Question 38

Trypanosoma rhodesiense MOT:

Answer 38

Salivary skin inoculation (bite)

Question 39

Disease Associated in Trypanosoma rhodesiense

Answer 39

East African Sleeping Sickness

Question 40

Trypanosoma cruzi MOT:

Answer 40

Fecal transmission after skin inoculation

Question 41

Disease Associated in Trypanosoma cruzi

Answer 41

South America trypanosomiasis Chaga Chagoma and Romana sign

Question 42

(deadliest among the three)

Answer 42

Trypanosoma cruzi