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PARASIT MIDTERM > Coccidians (Lec) > Flashcards

Coccidians (Lec) Flashcards

1
Q

Characterized by alternation of generation

A

Coccidians

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2
Q

Occur in either both on the same host/separate

A

Coccidians

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3
Q

In variety of nucleated cells

A

Schizogony (Asexual)

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4
Q

Intestinal mucosa of definitive host

A

Sporogony (Sexual)

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5
Q

What are the classification of Coccidians?

A

Intestinal Coccidians
Tissue Coccidians

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6
Q

What is the prevalent in Intestinal Coccidians?

A

AIDS patient/Immunocompromised persons

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7
Q

Infective stage in Intestinal Coccidians

A

Oocysts

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8
Q

Diagnostic Stage in Intestinal Coccidians

A

Oocysts demonstrated in feces

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9
Q

What are included in Intestinal Coccidian Group?

A

Cystoisospora
Cryptosporidium
Cyclospora
Sarcocystis

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10
Q

What are included in Tissue Coccidian Group?

A

Toxoplasma

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11
Q

Other name for Cystoisospora belli

A

Isospora belli

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12
Q

It is a coccidian parasite in which can cause diarrhea in humans

A

Cystoisospora belli

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13
Q

Cytoisospora belli was originally described by? In what year?

A

Virchow,1860

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14
Q

Cytoisospora belli was named in ____

A

1923

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15
Q

Where does the name Belli came from? And what does it mean?

A

Bellium, war

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16
Q

It is more common in tropical and subtropical countries

A

Cystoisospora belli

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17
Q

Clinical Symptoms of Cystoisospora belli

A

diarrhea(most common)
weight loss
abdominal pain
fever

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18
Q

Cystoisospora belli is severe among __________ hosts, particullary those with ____

A

immunocompromised, AIDS

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19
Q

In epidemiology of Cystoisospora belli, it is more common in tropical and subtropical countries aith poor sanitary conditions.

A

Cosmopolitan

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20
Q

It is the known host of C. belli

A

Humans

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21
Q

it is were observed in the gastric mucosal crypts of laboratory mice

A

Cryptosporidium parvum

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22
Q

Who observed the gastric mucosal crypts? in what year?

A

Tyzzer, 1907

23
Q

when does the diarrhea in animals recognized?

24
Q

When does the first case of human infection was reported?

25
It is frequent cause of intractable diarrhea and worldwide distribution
Cryptosporidium parvum
26
What are the 2 species of Cryptosporidium?
Cryptosporidium hominis Cryptosporidium parvum
27
Former name of Cryptosporidium hominis
Cryptosporidium parvum genotype 1
28
Former name of Cryptosporidium parvum
Cryptosporidium parvum genotype 2
29
C. parvum genotye 1
Humans
30
C. parvum genotype II
Both animals and humans
31
Incubation period in Cryptosporidiosis
2-14 days
32
The respiratory infection of Cryptosporidiosis lead to:
Chronic coughing, dyspnea, bronchiolitis, pneumonia
33
Cryptosporidium parvum prevalence percentage:
3-20% (Ph: 2.6%)
34
Other name/called for Cyclospora cayetanensis
Cyanobacterium-like body
35
Other name/called for Cyclospora cayetanensis
Cyanobacterium-like body
36
Cyclospora cayetanensis was first reported in
Nepal
37
Cyclospora cayetanensis outbreaks have been associated with
contaminated berries
38
Initial Symptoms of Cyclosporidiosis
malaise low-grade fever
39
The initial symptoms of Cyclosporidiosis occur at
12-24 hrs
40
What are the Sarcocystis species
Sarcocystis hominis Sarcocystis suihominis Sarcocystis lindemanni
41
Intermediate host of Sarcocystis hominis
Cow
42
Intermediate host of Sarcocystis suihominis
Pig
43
Immunocompromised hosts in Sarcocystis spp.
Fever severe diarrhea abdominal pain weight loss
44
Definitive host of Toxoplasma gondii
Cats and other felines
45
Intermediate host in Toxoplasma gondii
Man and other mammals
46
2 types of life cycle in Toxoplasma gondii
Enteric cycle Exoentric cycle
47
In Toxoplasma gondii, Eating undercooked meat of animals harboring tissue cysts with _____.
Bradyzoites
48
In toxoplasma gondii, transplacentally from mother to fetus when ______ pass through the placental barrier
tachyzoites
49
The pathogenesis of Toxoplasma gondii had infection acquired Postnatally is mostly?
asymptomatic (90%)
50
The most common manifestation of acute acquired toxoplasmosis is ______.
lymphadenopathy
51
These are often present in Toxoplasma gondii’s pathogen
fever headache myalgia splenomegaly
52
Another type of toxoplasmosis is
Ocular
53
The ocular type of toxoplasmosis may present as
uveitis choroiditis/chorioretinitis
54
In congenital Toxoplasmosis, most infected newborns are
aysmptomatic at birth

PARASIT MIDTERM (7 decks)

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