Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

RUSVM Parasitology > Protozoa- Ciliophora and Sarcomastigophora > Flashcards

Protozoa- Ciliophora and Sarcomastigophora Flashcards

1
Q

How are protozoa classified?

A

By mode of locomotion

Psedudopodia
Flagella
Gliding movements
Cilia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Protozoa that move by pseudopodia/flagella belong to what phylum?

A

Sarcomastigophora

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Protozoa that move by gliding movements belong to what phylum?

A

Apicomplexa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Protozoa that move with cilia belong to what phylum?

A

Ciliophora

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A ___________ is the functional unit of a protozoa

A

Zoite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A __________ is the infective form of Protozoa found in a speculated oocyst

A

Sporozoite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A ________ is a Protozoa stage that feeds and grows

A

Trophozoite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

_______________ is a protozoa that divides rapidly and ________________ divides slowly

A

Tachyzoites; bradyzoites.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Protozoa can undergo _______________ reproduction which has a short generation time and exponential increase in the number of zoster

A

Asexual

Binary fission
Budding
Schizogony

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the two types of Protozoa sexual reproduction?

A

Gametogony

Sporogony

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Balantidium coli host?

A

Pig, rodent, primate, human

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

ID

Trophozote
50-150um
Ciliated
Kidney bean nucleus

Cyst
60um
Cilia sometimes evident inside

A

Balantidium coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Site of infection of Balatidium coli? What pathology does it cause?

A

Large intestine

Mild enteritis and dysentery in pigs and humans
Ulceration in humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Treatment against Balantidium coli?

A

Tetracycline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the hosts of Giardia intesinalis

A

Dog, cat, cattle, and humans

Assemblages - species specific

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

ID

Trophozoites 21um
Cysts 12um

Flagellate
Small intestine

A

Giardia intestinalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Pathogenesis of Giardia intestinalis?

A

Attach to microvilli of bowl-> duodenal ulceration

Malabsorption

Asymptomatic trophozoites-> acute focal inflammation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Clinical signs of Giardia intestinalis ?

A

None

Acute or chronic diarrhea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

How can you diagnose giardia ?

A

Fecal smear -> cysts and trophozoites
Fecal float with zinc sulfate
ELISA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Treatment of Giardia in cattle?

A

Benzimidazole

Sanitation and disinfection
Filter water to prevent transmission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Hosts of Spironucelus (Hexamita) spp?

A

Domenstic and wild fowl (NOT chickens)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

ID

Flagellated
Two nuclei

A

Sprionucelus spp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

How is Spironucelus spp transmitted and what does it primarily effect?

A

Droppings from carrier birds
Contamination of shoes or equipment carrying fecal material

Young birds

24
Q

Host of tritrichomonas foetus?

A

Cat cattle

25
ID Pear shaped with single nucleus 3 anterior flagella and 1 posterior flagella Undulating membrane
Tritrichomonas foetus
26
Location of Tritrichomonas foetus in cattle?
Genital tracts of cattle Uterus and vagina of cow Prepuce of bull Sexually transmitted
27
Pathogenesis of Tritrichomonas foetus in cattle?
Bull- prepucal discharge with small nodules on penile membranes Cow- endometriosis Infect implantation Abortion --> decreased herd yield
28
Diagnosis of Tritrichomonas foetus
RCR | Culture
29
Treatment and prevention of Tritrichomonas in cattle?
Artificial insemination Test bulls-> cull positive Closed herd -reliable sourcing Open herd- AI and tested Allotment -private and well fenced Young bulls used REPORTABLE
30
What are the risk factors of Feline tritrichomonas?
Age (young or old) Purebred History of diarrhea Co-infection with other protozoa
31
Transmission of Feline Tritrichomonas ?
Fecal-oral
32
Diagnosis of Feline Tritrichomonas
Fecal smear Fecal culture PCR
33
Treatment of Feline Tritrichomonas
Ronidazole
34
Common name of Trichomonas spp?
Cranker (pigeon) | Frounce (hawk)
35
Host of trichomonas
Domestic and wild fowl
36
ID Trohphozote pear shaped Single nucleus 4 flagella and axostyle
Trichomonas
37
What are the 3 modes of infection of Trichomonas spp?
Raptor feeding on infected prey Adult to young- pigeon mink Contaminated water
38
Site of infection of Trichomonas spp?
Oral-nasal cavity and upper digestive tract
39
Bird Small yellowish lesions in mouth Inflammation and ulceration of mucosa Diarrhea
Trichomonas spp
40
Histomonas common name?
Blackhead
41
Host to histomonas spp?
Fowl, primarily turkey
42
What is the vector of histomonas ?
Heterakis (poultry cecal worm)
43
Site of infection of Histomonas?
Cecum and liver Pleomorphic Cecum- flagellated Liver- no flagellum
44
What is the life cycle of Histomonas?
Trophozoites die and pass in feces Trophozoites in eggs of Heterakis are infective Bird ingest Heterakis eggs (containing histomonas) Histomonas trohphozoite released to invade cecal wall and migrate to liver
45
Pathogenesis of Histomonas?
Infectious enterohepatitis Young turkeys- can be fatal Hemorrhagic liver with yellow-green circular depressions Cecal inflammation and ulceration
46
Diagnosis and prevention of Histomonas spp?
Lesions in cecum and liver at necropsy Trophozoites in liver or cecum Do not rear turkey on ground that has been used to rear birds for at least 2 years
47
Host of Typanosoma cruzi?
Dog, cat, and human Reservoir - domestic an wild species
48
Site of infection of Trypanosoma cruzi?
Muscle and blood
49
Pathogenesis of trypanosoma cruzi?
Pathology of heart | Acute, latent, and chronic disease
50
What is the common name of the disease caused by Trypanosoma cruzi?
Chagas' disease
51
How can you diagnose Trypanosoma cruzi?
Blood smear Xenodiagnosis Serological tests
52
What is the common name of Leishmania spp
Kala-azar (visceral); oriental sore (cutaneous)
53
Host of leishmania spp
Dog and humans Reservoir host= wild and domestic sp
54
ID Amastgiotes Round or oval in host macrophage 1.5-3um - 2.5-6um
Leishmania spp
55
Leishmania and Trynanosoma are both transmitted by?
Insect vectors
56
Site of infection of Leishmania
Skin, liver, spleen, bone marrow, and lymph node
57
Diagnosis of Leishmannia spp?
Tissue biopsy | IFA, ELISA, PCR

RUSVM Parasitology (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions