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Microbiology > Protozoa > Flashcards

Protozoa Flashcards

1
Q

Most invasive parasite among Entamoeba

A

Entamoeba histolytica

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2
Q

Eukaryotic organism that lacks membrane-bound organelles

A

Entamoeba histolytica

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3
Q

Flask-shaped colon ulcers

A

Amebic colitis

Entamoeba histolytica

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4
Q

Anchovy sauce-like aspirate

A

Amebic liver abscess

Entamoeba histolytica

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5
Q

DOC for Entamoeba histolytica cyst carrier state

A

Diloxanide furoate

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6
Q

DOC for amebic colitis and amebic liver abscess

A

Metronidazole

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7
Q

Falling leaf motility

A

Giardia lamblia

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8
Q

MCC of back packers diarrhea associated with ecological water

A

Giardia lamblia

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9
Q

Abdominal pain, diarrhea, and excessive flatus smelling like rotten eggs

A

Giardia lamblia acute infection

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10
Q

Opportunistic intestinal protozoa (HIV patients); causes self-limited non-bloody diarrhea

A

Cryptosporidium parvum

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11
Q

DOC for Cryptosporidium parvum infection

A

Nitazoxanide

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12
Q

Exists only as a trophozoite; pear-shaped, flagellated

A

Trichomonas vaginalis

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13
Q

Ping-pong transmission

A

Trichomonas vaginalis

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14
Q

Strawberry cervix; foul-smelling, greenish vaginal discharge

A

Trichomonas vaginalis

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15
Q

Banana-shaped gametocyte

A

P. falciparum

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16
Q

Recurrence of sx after a temporary abatement (2-4 weeks); seen in P. falciparum and P. malariae infection

A

Recrudescence

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17
Q

Return of a disease after its apparent cessation (1-6mos) due to reactivation of hypnozoites; seen in P. ovale and P. vivax

A

Relapse

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18
Q

Schuffner dots

A

P. ovale

P. vivax

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19
Q

Maurer dots

A

P. falciparum

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20
Q

Ziemann dots

A

P. malariae

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21
Q

Tertian fever

A

P. falciparum
P. vivax
P. ovale

22
Q

Quartan fever

A

P. malariae

23
Q

When is the highest yield to take blood samples in malaria?

A

During fever or 2-3 hours after peak

24
Q

Durck granulomas

A

Cerebral malaria

25
Blackwater fever is caused by?
P. falciparum
26
Algid malaria
Septic shock
27
Areas of high endemicity for malaria
Palawan Kalinga-Apayao Ifugao Agusan del Sur
28
Areas of Chloroquine-resistance
Palawan Davao del Norte Compostela Valley
29
Definitive host of Toxoplasma gondii
Cat
30
Preferred dx test for Toxoplasma gondii infection
IgM antibody
31
DOC for Toxoplasmosis
Sulfadiazine + pyrimethamine
32
Vector of Trypanosoma cruzi
Reduviid bug
33
American trypanosomiasis | Chagas disease
Trypanosoma cruzi
34
Most commonly and most severely affected tissue by Trypanosoma cruzi
Cardiac muscle
35
Romana's sign (periorbital edema) | Chagoma (nodule near bite)
Acute Chagas' disease
36
African sleeping sickness is caused by?
Trypanosoma brucei
37
Vector of Trypanosoma brucei
Tsetse fly (Glossina)
38
West African sleeping sickness
Trypanosoma brucei gambiense
39
Eastern African sleeping sickness
Trypanosoma brucei rhodesiense
40
Enlargement of the posterior cervical lymph node seen in African sleeping sickness
Winterbottom's sign
41
Hyperesthesia seen in African sleeping sickness
Kerandel's sign
42
Mott cells
Encephalitis (African sleeping sickness)
43
Flagellated marine protists
Dinoflagellates
44
MCC of red tide in the Philippines
Pyrodinium bahamense var compressum
45
Acquired by swimming in contaminated pools
Primary amebic meningoencephalitis caused by Naegleria fowleri
46
The only ciliated protozoan to cause human disease
Balantidium coli
47
Round-based, wide-necked intestinal ulcers
Balantidial dysentery
48
Intraerythrocytic ring-shaped trophozoites in tetrads in the form of a Maltese cross
Babesiosis
49
Vector of Leishmania spp
Sandfly (Phlebotomus)
50
DOC for Leishmaniasis
Sodium stibogluconate
51
Pseudopod-forming nonflagellated protozoa; brownian movement
Entamoeba histolytica

Microbiology (9 decks)

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