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Parasitology > Others > Flashcards

Others Flashcards

1
Q

Characteristic of ulcer formed by B. coli

A

Rounded base and wide neck

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2
Q

DOC of B. coli infx

A

Metronidazole

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3
Q

Zoonotic infx causing steatorrhea and ulcer

A

Giardia lamblia

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4
Q

Dx test for G. lamblia using string

A

Enterotest

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5
Q

Infective stage of coccidians

A

Oocyst

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6
Q

Coccidians

A

Isospora belli
Cryptosporidium hominis
Toxoplasma gondii

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7
Q

Dx test for coccidians

A

Kinyoun’s modified acid-fast stain of stool exam

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8
Q

Cyst in brain, retina, skeletal and heart muscles due to cat feces exposure

A

Toxoplasmosis

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9
Q

DOC for toxoplasmosis

A

Pyrimethamine-sulfadiazine

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10
Q

1 intestinal protozoan in Phils; causes irritable bowel syndrome

A

Blastocystis hominis

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11
Q

DOC for Blastocystis infx

A

Metronidazole

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12
Q

New specie of plasmodium that infects humans, previously in monkeys; discovered by RITM in Palawan

A

P. knowlesi

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13
Q

Infective stage of plasmodium

A

Sporozoite

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14
Q

Form of malaria parasites that attacks the RBCs

A

Merozoites

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15
Q

Stage responsible for relapse; dormant form in liver

A

Hypnozoite

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16
Q

Deadly malarial cycle causing rosette formation and cytoadherence

A

Erythrocytic cycle

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17
Q

Affectation of which organ systems warrants dx of severe/ complicated malaria

A

Lung
Kidney
CNS

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18
Q

Gold standard for dx of malaria

A

Thick and thin blood smear

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19
Q

Primary vector of malaria

A

Anopheles minimus var. flavirostris

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20
Q

DOC for severe malaria

A

IV quinine

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21
Q

Breeding site for anopheles

A

Slow flowing, partly-shaded streams

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22
Q

DOC for P. vivax

A

Chloroquine

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23
Q

DOC for relapse

A

Quinine

24
Q

DOC for P. falciparum

A

Artemisinin/lumefantrine

25
Q

DOC for P. vivax

A

Primaquine

26
Q

Destroys young RBCs

A

P. vivax

27
Q

Destroys old RBCs

A

P. malariae

28
Q

Destroys all ages of RBCs

A

P. falciparum

29
Q

Blood and Tissue flagellates

A

Trypanosoma cruzi
Trypanosoma brucei gambiense
Trypanosoma brucei rhodisiense
Leishmania

30
Q

Parasite that cause Chaga’s disease

A

Trypanosoma cruzi

31
Q

MOT of T. cruzi

A

inoculation of triatomine bug’s feces into scratched skin

32
Q

Infective stage of T. cruzi

A

Trypomastigote

33
Q

MOT of infestation w/ T. brucei gambiense/ rhodisiense

A

Inoculation through proboscis of tsetse fly (Glossina sp.)

34
Q

Disease caused by T. brucei rhodisiense/ gambiense

A

African sleeping disease

35
Q

MOT of Leishmaniasis

A

Inoculation through proboscis of sandfly (Phlebotomous)

36
Q

Infective stage of leishmania

A

Promastigotes

37
Q

Painless skin ulcer caused by Leishmania

A

Cutaneous leishmaniasis

38
Q

Leishmaniasis that causes destruction of the nasopharynx

A

Mucocutaneous leishmaniasis

39
Q

Leishmaniasis that is manifested w/ fever, splenomegaly, cachexia and skin darkening

A

Visceral Leishmaniasis/ Kala-azar

40
Q

Dx of Leishmaniasis

A

Tissue biopsy

41
Q

House dust mite

A

Dermatophagoides sp.

42
Q

Arthropod that causes scabies

A

Sarcoptes scabiei

43
Q

Head louse

A

Pediculus humanus capitis

44
Q

Body louse

A

Pediculus humanus corporis

45
Q

Crab louse causing pediculosis pubis

A

Phthirus pubis

46
Q

Largest protozoan affecting humans and only ciliate that causes human disease

A

Balantidium coli

47
Q

Tertian malaria (q48h)

A

P. vivax

P. ovale

48
Q

Quartan malaria (q72h)

A

P. malariae

49
Q

Malaria that bursts red cells irregularly b/w 36-48 hrs

A

P. falciparum

50
Q

Membrane antigens absent in sickle RBC (Hemoglobin AS) making it resistant to P. vivax

A

Duffy a and b

51
Q

New anti-malarial drug from wormwood; also for severe falciparum malaria

A

Artemether

52
Q

Prophylaxis for chloroquine-resistant areas

A

Mefloquine

Doxycycline

53
Q

Vector of T. cruzi

A

reduviid bug (kissing bug)

54
Q

Wild animal reservoirs of T. cruzi

A

Rodents, opossums and armadillos

55
Q

Treatment for Balantidium coli

A

Tetracycline

56
Q

MOT of Balantidium coli

A

Ingestion of food/water contaminated w/ pig feces

Parasitology (6 decks)

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