Classification of Sporozoans (C. parvum) Flashcards

1
Q

What are the diff species/classification of Sporozoa?

A

Plasmodium spp.
Toxoplasma gondii
Cryptosporidium parvum
Isospora
Cyclospora

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2
Q

A unicellular, spore-forming, and exclusively
EXCLUSIVELY PARASITEF FOR ANIMALS?

A

Phylum Apicomplexa

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3
Q

TRUE OR FALSE: Phlyum Apicomplexa HAS an apparent mean for locomotion?

A

FALSE: No apparent means of locomotion

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4
Q

Which CLASS does mealworms belong to?

A

GREGARINA

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5
Q

Which CLASS does malaria belong to?

A

Plasmodium

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6
Q

Another term for Asexual reproduction?

A

Schizogony

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7
Q

Another term for Sexual reproduction?

A

Sporogony

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8
Q

This term is named for organisms with an apical complex?

A

Apicomplexa

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9
Q

This part of sporozoans aids with the penetration of the host?

A

Apical Complex

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10
Q

An enteric, anthroponetic and zoonotic parasite

A

Cryptosporidium parvum

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11
Q

This term refers to an ability of a disease-causing agent carried by humans and is transferred to animals?

A

Anthroponetic

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12
Q

TRUE OR FLASE: C. parvum associated with AIDS?

A

TRUE: 1980s

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13
Q

TRUE OR FLASE: C. parvum has a safe and effective treatment

A

FALSE: No safe and effective treatment

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14
Q

What are the different morphological forms that C. parvum may undergo during its lifetime?

A
  1. Oocysts (infective stage)
  2. Sporozoites (infective and diagnostic)
    - Each contains one nucleus
  3. Trophozoite
  4. Type 1 meront
  5. Type II meront
  6. Microgamont
  7. Macrogamont
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15
Q

Infective stage of C. parvum?

A

Oocysts & Sporozoites

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16
Q

This morphological form of C. parvum is spherical, oval and is approx. 5 micro met. DOES NOT STAIN WITH IODINE and is ACID FAST

17
Q

This morphological form of C. parvum is:
Double walled
Only stage that can live ex vivo
Embeds itself in gut epithelium

18
Q

This morphological form of C. parvum is:
Crescent or bow-shaped
Anterior is SLIGHTLY POINTED and the
posterior is END-ROUNDED

A

Sporozoites

19
Q

In Sporozoites of C. parvum where is the nucleus located?

A

Posterior third of the body

20
Q

This morphological form of C. parvum is:

20
Q

This morphological form of C. parvum is:

20
Q

This morphological form of C. parvum is:
Round or oval intracellular but is in an exocytoplasmic form
Has a 1 single nucleus

A

Trophozoites

20
Q

This morphological form of C. parvum is the transitional stage from sporozoites and merozoites to meront

A

Trophozoites

21
Q

Infective stage of C. parvum: Oocyst; Dosage?

A

132 Oocyst

22
Give 5 Clinical manifestation is a person has been infected with C. parvum? Hint: abnormal gut symptoms
● Diarrhea ● Abdominal cramps ● Nausea ● Vomiting ● Low-grade fever
23
Disease term referred if one is infected with C. parvum?
CRYPTOSPORIDIOSIS
24
This method of diagnosis allows the oocyst to stain red; is acid fast stained stool smear, can be fluorescent based?
Microscopy
25
This method of diagnosis detects Cryptosporidium antigens in the stool sample? Another term for ELISA
Enzyme Immunoassay
26
These medications may alleviate some of the diarrheal symptoms however the latter is contraindicated for AIDS patients.
Paromomycin and Nitazoxanide