Sporozoa (Protozoan) Flashcards by Miguel Acosta

Q

Sexual reproduction

a. Sporogony
b. Schizogony

A

a

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Q

Sexual reproduction happens in what vector?

A

Anthropod

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Q

Asexual reproduction

a. Sporogony
b. Schizogony

A

b

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Q

Asexual reproduction happens in what vector?

A

Man

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Q

The following includes resistance to a certain Plasmodium except:

a. Fy (a-, b-)
b. HbS
c. Pyruvate deficiency
d. G6PD deficiency

A

c

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Q

Plasmodium are non motile and are Obligate intracellular parasite

T or F

A

T

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Q

Vector for Plasmodium?

a. Female anopheles
b. Male Anopheles
c. Female Culex
d. Male Culex

A

a

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Q

In Schizogony:

Female anopheles injects __________ in to the blood steam which then enters in the _________ cells to turn in to ________

choices:

Blood steam, Liver, Merozoite, Sporozoites, Gametocyte, Schizont, Lymph nodes, Red cell, Trophozoite

A

Sporozoites

Liver

Merozoites

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Q

In Schizogony:

Merozoites enters the Circulating ___________ to become a ring _____________ which mature to __________

choices:

Blood steam, Liver, Merozoite, Sporozoites, Gametocyte, Schizont, Lymph nodes, red cell, Trophozoite

A

Red cell

Trophozoite

Schizont

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Q

In Schizogony:

These Schizoint contains _________ which will be released when the red cell ruptures

choices:

Blood steam, Liver, Merozoite, Sporozoites, Gametocyte, Schizont, Lymph nodes, red cell, Trophozoite

A

Merozoites

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Q

In Schizogony:

These merozoites will infect another __________ or some will develop into ____________ that may ingest again by anopheles

choices:

Blood steam, Liver, Merozoite, Sporozoites, Gametocyte, Schizont, Lymph nodes, red cell, Trophozoite

A

Red cell

Gametocytes

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Q

Ooxyst can be seen in?

a. Schizogony
b. Sporogony

A

b

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Q

Shortest Pre patent period? (11-14 days)

a. Plasmodium falciparum
b. Plasmodium vivax
c. Plasmodium ovale
d. Plasmodium malariae

A

a

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Q

Longest pre-patent period (3-4 weeks)

a. Plasmodium falciparum
b. Plasmodium vivax
c. Plasmodium ovale
d. Plasmodium malariae

A

d

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Q

Incubation period - 8-15 days

a. Plasmodium falciparum
b. Plasmodium vivax
c. Plasmodium ovale
d. Plasmodium malariae

A

a

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Q

Incubation period - 11- 16 days

a. Plasmodium falciparum
b. Plasmodium vivax
c. Plasmodium ovale
d. Plasmodium malariae

A

c

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Q

Incubation period - 12-20 days

a. Plasmodium falciparum
b. Plasmodium vivax
c. Plasmodium ovale
d. Plasmodium malariae

A

b

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Q

Incubation period - 18-40

a. Plasmodium falciparum
b. Plasmodium vivax
c. Plasmodium ovale
d. Plasmodium malariae

A

d

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Q

refers to the periodic and sequential attakcs of chills, fever and swating

A

Malarial Paroxysyms

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Q

Malarial Paroxysyms:

Due to muscle contraction which produce heat, mild shivering and core temp is increase

a. Cold phase / Chills
b. Hot Stage / Flush phase
c. Sweating stage / Defervescense or diaphoresis

A

a

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Q

Malarial Paroxysyms:

Reduces heat from the body

a. Cold phase / Chills
b. Hot Stage / Flush phase
c. Sweating stage / Defervescense or diaphoresis

A

c

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Q

Malarial Paroxysyms:

Kills foreign malaria parasite

a. Cold phase / Chills
b. Hot Stage / Flush phase
c. Sweating stage / Defervescense or diaphoresis

A

b

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Q

Renewal of parasitemia, persistent undetectable parasitemia, Parasite persist but suppressed by immune systems

a. Recrudescence
b. Relapse

A

a

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Q

Renewed asexual parasitemiam resulting from reactivation of hypnozoite forms of the parasite in the liver
a. Recrudescence
b. Relapse

A

b

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P. vivax and P. ovale a. Recrudescence b. Relapse

b

Reactivation may occured by P. falciparum T or F

T

Hypnozoite a. Recrudescence b. Relapse

b

Size of infected RBCs : Normal with multiple infection a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

a

Oval RBCs a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

c

Enlarged RBCs with Schuffner dots a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

b

RBCs with non-amoeboid oval or bar shaped solid cytoplasm a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

d

RBCs Contains Dust like or Ziemann's dot a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

d

RBCs contain 2 chromatin dots or headphone like configuration a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

a

Appearance Cresecent / Sausage / Banana shaped gametocyte a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

a

Trophozoite that appearas small hyaline ring that appears ameboid a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

b

Allergic reaction developing schizonts term cause paroxysms T or F

T

Young and Old RBCs a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

a

Old RBCs a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

d

Young RBCs a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

bc

Causes Black Water Fever a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

a

Causes Black Fever?

Leishmania donovani

Benign Tertian (48 hours) a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

b c

Malignant Tertian (36-48 hours) a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

a

Quartan (72 hours) a. Plasmodium falciparum b. Plasmodium vivax c. Plasmodium ovale d. Plasmodium malariae

d

Screening a. Thick smear b. Thin Smear

a

Speciation a. Thick smear b. Thin Smear

b

Term for dormant merozoite that resides in the liver

Hypnozoite

Also known as Monkey Malaria

P. knowlesi

P. knowlesi resembles what another Plasmodium?

Plasmodium malariae

Vectors for Plasmodium a. Tsetse fly b. Reduviid bug c. Anopheles d. Tick

c

Vector For Babesia a. Ixodes b. Tick c. All of the above

c

Infective stage of Malaria to human?

Sporozoite

Diagnostic stage for malaria?

Schizont, trophozoite, Gametocytes

Infective stage for Babesia?

Sporozoites

Diagnostic stage for Babesia?

Trophozoite

Causes Texas red-Water fever in cattle a. Babesia bigemina b. Babesia microti c. Babesia divergens

aCauses Texas red-Water fever in cattle a. Babesia bigemina b. Babesia microti c. Babesia divergens

Ixodes dammini that feeds on deer a. Babesia bigemina b. Babesia microti c. Babesia divergens

b

Ixodes ricinus a. Babesia bigemina b. Babesia microti c. Babesia divergens

c

Babesia spp may be mistaken for what Plasmodium spp.?

Plasmodium falciparum

In Babesia, Inside the RBCs the trophozoites resembles?

Maltese cross

Principal reservoir for Babesia is White - footed mouse T or F

T

Co infection of Babesia is Lyme's disease T or F

T

Stain of choice for Babesia?

Giemsa stain

Thick smear for Babesia = Screening Thin smear for Babesia = Speciation T or F

T

Babesia Goes through Hepatic stage before residing to the RBC T or F

F No hepatic stage