Lab Exam 3 Flashcards by Joan Ravalo

A. identify species + devt stage
B. the cellular matter inside are ingested RBCs. T or F

A. Entameoba coli cyst
B. F

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A. identify species + devt stage
B. this organism causes __ stool (Watery, fatty, bloody)

A. Giardia lamblia cyst
B. fatty

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A. identify species + devt stage
B. compared to Entamoeba coli, this is __ in size (<, >, =)

A. Entamoeba histolytica cyst
B. <

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A. identify species + devt stage
B. this may have until __ nuclei

A. Endolimax nana cyst
B. 4

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A. identify species
B. where is the nucleus located?

A. Blastocystis hominis
B. periphery

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A. identify species + devt stage
B. cigar shaped mass is called: __

A. Entamoeba histolytica cyst
B. chromatoidal bar

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A. identify species
B. this can have up to __ nuclei

A. Entamoeba coli
B. 8

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A. identify the species + devt stage
B. drug for treatment

A. Giardia lamblia
B. Metronidazole

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A. identify species and devt stage

B. enumerate virulence factors
C. the gene encoding for this vir factor is detected in PCR; identify

A. Entameoba histolytica trophozoite
B. amebapore, adherence lectin, cystein proteinase
C. adherence lectin

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A. identify species and devt stage
B. How is this formed in the body?

A. Entamoeba histolytica cyst
B. encystation bc host experiences dehydration; dehydration c/o diarrhea

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A. Identify species and devt stage
B. This is infective. T/F
C. location of karyosome

A. Entamoeba coli trophozoite
B. F
C. periphery

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A. identify species and devt stage
B. main diff of mature fr immature

A. Entamoeba coli cyst
B. diffused glycogen

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A. identify species + devt stage
B. describe karyosome

A. Endolimax nana trophozoite
B. large, irregular

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A. identify species + devt stage
B. enumerate virulence factors

A. Endolimax nana cyst
B. none (non-pathogenic)

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A. identify species
B. what does the large clearing at the center signify?

A. Iodameba butschlii
B. Large glycogen vacuole

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A. identify species and devt stage
B. Which part takes c/o attachment to mucosa?

A. Giardia lamblia trophozoite

B. sucking disc

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A. identify species and devt stage
B. T/F. This undergoes encystation in the rectum.

A. Trichomonas vaginalis trophozoite
B. F. Trophozoite: only stage

A. identify species and devt stage
B. this affects what part of GIT?
C. identify C

A. Balantidium coli trophozoite

B. large intestine

C. micronucleus

A. identify encircled region
B. T/F. This is the trophozoite stage.
C. identify A, B and C

A. cytostyle
B. T
C. macronucleus, vacuole, micronucleus

A. identify species and devt stage
B. T/F This is the locomotory stage

C. differentiate cytosome fr cytopyge

A. Balantidium coli: cyst
B. F

C. Cytosome: for acquiring food
- Cytopyge: for excretion of wastes

A. identify species and stage of devt
B. What is arranged in rosette formation?

C. pigment seen in the middle

A. Plasmodium malariae
B. merozoites
C. hematin

A. identify species + devt stage
B. This was transmitted to humans by what animals?
C. Identify periodicity

A. Plasmodium malariae trophozoite
B. monkeys
C. 72 hours

A. identify devt stage of A
B. identify devt stage of B
C. identify species

A. microgametocyte
B. macrogametocyte
C. Plasmodium malariae

A - B. Identify two species whose ring forms look like this.

Plasmodium malariae
Plasmodium vivax

A. identify devt stage of A B. identify devt stage of B C. identify species

A. macrogametocyte B. microgametocyte C. Plasmodium falciparum

A. identify periodicity B. T/F: This is the most virulent and common species in the Philippines. C. What does this not have that P.ovale and P.vivax has, in terms of devt stages?

A. 36-48 hours B. T C. hypnozoite stages

A. identify species + devt stage B. term for ring forms that are attached @ end of RBC C. T/F. For all Plasmodium species, there is no chage in RBC size

A. Plasmodium falciparum trophozoite B. accole and applique C. F; P.falci only

A. identify species and devt stage B. There may be 8-32 ___ in each C. Why are they rarely seen?

A. P.falciparum schizont B. merozoites C. hiding in the blood vessels of the brain

A. identify species and devt stage B. term for prominent red granules scattered at body C. T/F. This has hypnozoite stage.

A. Plasmodium vivax gametocyte B. Schuffner's dots C. T

A. give species and devt stage B. identify structure encircled in black C. give periodicity of malarial episode

A. Plasmodium vivax trophozoite B. chromatin dot C. 48 hours

A. tissue location B. scientific name + devt stage C. identify clin manif: Periorbital soft tissue swelling at site of inoculation

A. heart muscle B. Trypanosoma cruzi amastigote C. Romaña’s Sign

A. scientific name + devt stage B. vector C. T/F This is the diagnostic stage.

A. Trypanosoma cruzi trypomastigote B. Triatomine or reduviid bugs C. T

A. genus name + devt stage B. vector C. T/F The vector inoculates this in the body of the patient

A. Leishmania amastigote B. Sandflies C. F. promastigote ang injected

A. genus + devt stage B. T/F This is the infective stage. C. Only ___ vectors take blood meals

A. Leishmania promastigote B. T C. female

A. scientific name and devt stage B. definitive host C. exanthem seen is like what bacteria?

A. Toxoplasma gondii tissue cyst B. cats C. Rickettsia

A. scientific name and devt stage B. two cells affected in pathogenesis C. cutaneous test used in diagnosis

A. Toxoplasma gondii tissue cyst B. macrophages and dendritic cells C. Frenkel skin test

A. scientific name + devt stage B. T/F Congenital transmission may happen when this is being formed C. dye used in diagnosis

A. Toxoplasma gondii B. T C. methylene blue

A. scientific name and devt stage B. T/F Man is definitive host C. clin manif involving hydrocephalus

A. Toxoplasma gondii tachyzoite B. F. Man: IM host C. Sabin syndrome

A. genus name B. diarrhea caused is like what bacteria? C. T/F this has an intermediate host

A. Cryptosporidium B. Vibrio cholera C. F

A. genus name B. definitive host C. T/F This has only one oocyst type.

A. Cryptosporidium B. man C. F