hemoflagellates

Question 1

A different family but go along with other protozoans on phylum sarcomastigophora

Answer 1

hemoflagellates

Question 2

What family is hemoflagellates

Answer 2

trypanosomatidae

Question 3

Parasites that are considered medically important

Answer 3

Trypanosoma and Leishmania

Question 4

Dating nasa phylum sarcomastigophora, ngayon nasa phylum euglinozoa na

Answer 4

hemoflagellates

Question 5

General structure of hemoflagellates

Answer 5

• fusiform body
• Single nucleus sa gitna
• axonym
• kinetoplast
• flagellum ( sa 3 maliban sa amastigote)

Question 6

4 morphological forms

Answer 6

1. Amastigote - Donovan Leishman
2. Promastigote - Leptomonas
3. Epimastigote - crithidia
4. Trypomastigote

Question 7

Amastigote

Answer 7

• rounded form of parasite
• non flagellate
• oval form

Question 8

Promastigote

Answer 8

• flagellated
• seen in vector (iba ibang vector)
• rarely seen in blood

Question 9

Epimastigote

Answer 9

• fusiform body same as promastigote
• found in arthropod vectors (mosquitoes, fleas, sand flies, lice, fleas, ticks and mites)

Question 10

Trypomastigote

Answer 10

-contains undulating membrane running along the length of the parasite
- can be seen in vector and blood stream of human host
- Also goes to organ tissues, lymphatic circulations

Question 11

Amastigote

Answer 11

• also seen in humans
• actively dividing forms of parasite in human host
• nakikita sa cardiac tissue

Question 12

Generalities of the APET

Answer 12

• All forms are found in trypanosoma cruzi infection
• only epimastigote and trypomastigote can be seen in trypanosoma brucei
• only amastigote and promastigote are seen in Leishmania infections

Question 13

Trypanosoma is associated with what diseases

Answer 13

• Chaga’s disease (american trypanosomiasis)
• african sleeping sickness/african trypanosomiasis

Question 14

Trypanosoma multiplies by?

Answer 14

binary fission (asexual reproduction)

Question 15

Trypanosoma are found in?

Answer 15

Blood, CSF ( in case of severe infection reaching CSF, Lymph nodes/lymphatics.

Question 16

Diagnosis: of trypanosoma

Answer 16

Microscopic exam, CSF, lymph node aspirate, chancre aspirate, microhematocrit centrifugation, serologic testing, molecular testing ( more specific and sensitive)

Question 17

Trypanosomiasis occurs mainly in

Answer 17

Africa and South america

Question 18

Trypanosoma brusei complex

Answer 18

• Causes Trypanosomiasis / African sleeping sickness

Question 19

Trypanosomiasis/African sleeping sickness affects

Answer 19

• Lymphatic system and CNS
• swollen lymph node at posterior base at neck

Question 20

Trypanosoma brucei 2 subspecies

Answer 20

• Gambiense
• rhodesiense

Question 21

Trypanosoma cruzi

Answer 21

Causitive agent for chaga’s disease/American Trypanosomiasis

Question 22

Trypanosoma cruzi is characterized with

Answer 22

Lesion, conjunctivitis, edema of the face and legs, highly involved with infection of cardiac muscle tissue.

Question 23

Conjunctivitis caused by trypanosoma cruzi other call

Answer 23

Romaña’ sign/Conjunctivitis

Question 24

African trypanomiasis is caused by what subspecie

Answer 24

Trypanosoma brucei

Question 25

Other name of african trypanosomiasis

Answer 25

• african sleeping sickness

Question 26

Common vector of trypanosomes

Answer 26

Tse tse fly (glossina sp.)

Question 27

Trypanosomes way of passing

Answer 27

• Mother to child
• sexual contact
• blood transfusion
• mechanical transmission (blood sucking insects)

Question 28

Infective stage of african sleeping sickness

Answer 28

Metacystic trypomastigote