PARASITOLOGY Flashcards

1
Q

wingless arthropods

A

ticks
bedbugs
mites
spiders

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2
Q

head louse

A

Pediculus humanus capitis

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3
Q

scabies is a type of (INFECTION, INFESTATION)

A

INFESTATION

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4
Q

Agent of “crabs”

A

Pthuris pubis (an ectoparasite)

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5
Q

infective stage of Leishmania spp. to humans

A

Promastigote

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6
Q

agent of KALA-AZAR/DUMDUM FEVER/VISCERAL LEISHMANIASIS

A

Leishmania donovani

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7
Q

agent of Chaga’s disease

A

T. cruzi

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8
Q

Rhodesian/East African sleeping sickness

A

T. brucei rhodiense

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9
Q

Gambian disea/West African sleeping sickness

A

T. brucie gambiense

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10
Q

parasite that can undergo autofluorescence

A

Cyclospora

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11
Q

important cause of CHORIORETINITIS

A

Toxoplasma

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12
Q

patient with CEREBRAL CALCIFICATION must be tested with

A

Toxoplasma antibody titer

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13
Q

oocysts recovered in cat feces

A

Toxoplasma gondii

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14
Q

gold standard for malaria

A

Giemsa stain

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15
Q

parasite Lactate dehydrogenase (pLDH) is produced by

A

all four plasmodium species (falciparum, malariae, vivax, ovale)

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16
Q

HRP-II antigen is produced by

A

P. falciparum

17
Q

HRP-2 is detected by what test

A

MalaQuick Standby Malaria test

18
Q

principal vector of malaria in the philippines

A

Anopheles minimus flavirostris

19
Q

definitive host of plasmodium spp.

A

Female anopheles mosquito

20
Q

paroxysmal cycle of P. malariae

A

72 hours

21
Q

paroxysmal cycle of P. vivax and ovale

A

48 hours

22
Q

paroxysmal cycle of P. falciparum

A

36 hours

23
Q

has a paroxysmal cycle of 24 hours

A

P. knowlesi

24
Q

hypnozoites maybe seen in malarial infections caused by

A

P. vivax and ovale

25
Q

PLASMODIUM spp. responsible for 90% of malaria cases

A

P. falciparum & P. vivax

26
Q

Protozoan with an undulating membrane

A

Pentatrichomonas

Trichomonas

27
Q

Test for diagnosis of Giardia lamblia

A

ENTEROTEST

28
Q

causes “crypt” hypertrophy in duodenum & subsequential diarrhea

A

G. lamblia

29
Q

assoc. with steatorrhea and Gay bowel syndrome

A

G. lamblia

30
Q

Primary Amebic Meningoencephalitis (PAM)

A

Naegleria fowleri

31
Q

double walled cyst, outer-wrinkled wall & inner polygonal wall

A

Acanthamoeba

32
Q

amoeba with ingested Neutrophils

A

E. gingivalis

33
Q

amoeba with caharcteistic of “basket nucleus”

A

Iodamoeba butschlii

34
Q

sluggish, non-directional, “dirty cytoplasm”

A

Entamoeba coli

35
Q

mature cyst of Entamoeba coli contains ___ nuclei

A

8 nuclei

36
Q

SREHP stands for_________________

A

Serine Rich Entamoeba histolytica Protein