Leishmania

Question 1

infective stage of Leishmania

Answer 1

promastigote

Question 2

before promastigotes turn into amastigotes, what happens first?

Answer 2

Promastigotes are phagocytized by macrophages

Question 3

diagnostic stage of Leishmania

Answer 3

amastigote

Question 4

stage ingested by vector

Answer 4

amastigote

Question 5

vector

Answer 5

sandfly

Question 6

stage injected by vector

Answer 6

promastigote

Question 7

T/F
The bite of a single sandfly is enough to cause
disease.

Answer 7

T

Question 8

False about cutaneous leishmaniasis
A.Sores - with a raised edge and a central crater
B.With or w/o latency
C.No spontanous healing of sores

Answer 8

C

Meron naman. 2-10 mos

Question 9

Why does mucocutaneous leishmaniasis occur? (i.e. what does the organism do)

Answer 9

metastatic spread

Question 10

mucocutaneous leions are more often found at __
A. bony areas
B. cartilaginous area
C. equal

Answer 10

B

Question 11

Another name for visceral leishmaniasis

Answer 11

kala-azar

Question 12

false about kala-azar
A. enlarged liver and spleen and anemia,
B. lightening of the skin
C. risk of post-treatment cutaneous leishmaniasis
D. may be progressive with high mortality

Answer 12

B

darkening dapat

Question 13

False about Leishmania amastigote
A.small nucleus
B.prominent kinetoplast
C.short axoneme

Answer 13

A

Question 14

amphothericin B: used for all except
A. cutaneous leishmaniasis
B. mucocutaneous leishmaniasis
C. visceral leishmaniasis

Answer 14

A

Question 15

special culture media for Leishmania species

Answer 15

Novy-McNeal-Nicolle medium

Question 16

All are risk factors for Leishmaniasis except
A. Female sex
B. AIDS
C. Incomplete treatment of initial disease

Answer 16

A

male dapat

Question 17

name two animals which may be involved in life cycle of Leishmaniasis

Answer 17

dogs and rodents