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Veterinary Technician > Parositology Unit 2 > Flashcards

Parositology Unit 2 Flashcards

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1
Q

How do flagellates move?

A

They have at least one flagella (blood spinal, fluid)

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2
Q

How do apicomplexans move?

A

Internal wave like motions because they require a host

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3
Q

How to amoebids move?

A

Pseudopods (false feet)

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4
Q

How do ciliated protozoans move?

A

Undulated hairs or hairs.

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5
Q

What are the two flagellates called?

A

Giardia and trichomonas

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6
Q

What are the definitive hosts of giardia?

A

Horses, dogs, cats, ruminants

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7
Q

What are the two distinct forms to giardia?

A

Motile trophozite and non motile cyst

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8
Q

How is giardia diagnosed?

A

Elisa test from fresh samples

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9
Q

What is the preferred method of fecal flotation for giardia?

A

Using zinc sulfate

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10
Q

What is the best way to do a fecal smear looking for giardia?

A

Fresh unrefrigerated samples less than 30 min old

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11
Q

What are the symptoms of giardia?

A

Diarrhea, weight loss, anorexia, mucous stool

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12
Q

What is Trichimonas foetus definitive host?

A

Cattle

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13
Q

What is Trichimonas blagburni definite host?

A

Cats

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14
Q

What protozoan affects cattles reproductive tract?

A

TriTrichimonas foetus

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15
Q

What protozoan affects cats cecum/colon?

A

TriTrichimonas blagburni

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16
Q

What are the symptoms of TriTrichimonas blagburni?

A

Chronic Diarrhea lasts for weeks, months and years.

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17
Q

What are the symptoms of TriTrichimonas foetus in cattle?

A

It’s sexually transmitted and it causes infertility and fetal death

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18
Q

What are the three types of apicomplexans?

A

Coccidia, toxoplasma, and cryptosporidia

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19
Q

What is another name for coccidia?

A

Cystoisospora spp.

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20
Q

What are coccidias definitive host?

A

Dogs, cats, swine

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21
Q

How long does it take for oocysts to become infective?

A

6 hours of being passed into the environment.

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22
Q

What are the symptoms of coccidia?

A

Yellow mucousy diarrhea, watery yellow and bloody, adults can be asymptomatic and it’s more common in young animals

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23
Q

What are the definitive hosts of Toxoplasma Gondii?

A

Cats

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24
Q

What’s the best fecal floatation method for diagnosing coccidia?

A

Centrifuge

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25
What are the intermediate hosts of toxoplasma gondii?
Mammals, birds, and humans
26
How soon does coccidia sporulate?
1-5 days
27
What’s is true of coccidia?
It is not immediately infected it has to sporulate
28
Where do cysts form from coccidia?
Liver, brains and muscle
29
What acts as paratenic hosts spreading coccidia?
Flies cockroaches and earthworms
30
What are symptoms of Toxomplasma gondii?
``` Usually asymptomatic, infects, sick old and young, or with chronic diseases Lungs- respiratory Liver-jaundice Eyes-blindness Neurological symptoms ```
31
What are treatments for toxoplasma gondii?
antibiotics and women should not clean litter boxes
32
What is true of Cryptosporidium spp.
Parasite contaminates 65-97% of water and grounds | And Cannot be removed
33
Symptoms of cryptosporidium spp.
Asymptomatic bc 35% of pop has antibodies, diarrhea and dehydration
34
What is used to treat Cryptosporidium spp.
There is no treatment
35
What disease does brown dog tick transmit?
Babesia Canis
36
How is Babesia transmitted to dogs?
Tick bites dog and stays attached for 24-48 hours.
37
What are other ways besides tick bite that Babesia canis is transmitted?
Dog bites from blood to blood and contaminated blood instruments
38
How is Babesia canis diagnose?
Pear shaped organisms
39
What tick diseases is diagnosed by tick tack shapes on blood cells and gamonts?
Hepatozoon spp.
40
What are the two varieties of Hepatozoon spp.
H canis and H americanum
41
What disease does the lone star tick and American dog tick cause?
Cytauxzoon Felis
42
What are the intermediate hosts for Ctyauxzoon spp.
Cats and bobcats
43
Is giardia zoonotic?
No
44
What are a common name for cestodes?
Tapeworms
45
What is the definitive host for Diplylidium caninum?
Dogs and cats
46
Physically description of tapeworms?
Flat multi-segmented and multicellular
47
How do tapeworms feed?
Tegument(skin)
48
What is backward facing to provide hooks mean?
Rostellum and anchor
49
What is Tania saginata definitive host?
Cattle
50
What is the body of the tapeworms called?
Strobila
51
What is the tiny head end of tapeworm?
Scolex
52
What are the segments that make up the tapeworm body?
Proglottids
53
Do tapeworms have a digestive tract?
No
54
What does hexacantha mean?
It has six hooks
55
What is the intermediate host of a heartworm?
heartworms
56
What does an occult heartworm test mean?
that there is no microfilaria
57
Heartworms can be incidental parasites in humans?
True
58
How can it take to detect heartworms?
5-9 months
59
what is a common name for cestodes?
tapeworms
60
What is the head of the cestode called?
scolex
61
what is the scienific name of the double spored tapeworm?
Dyplidium caninum
62
What is the intermediate host for Dyplidium caninum?
Fleas
63
Hymenolepsis is interesting because it does not require A)_____ and is nnot directly B)_______.
A) intermediate host | B) infective
64
Are Echinococcus spp. tapeworms zoonotic?
Yes
65
What are the cysts called that form in humans?
hydatid
66
What is the common name of trematodes?
fluke
67
How many intermediate hosts do pseudotapeworms have?
two
68
What is the slit like A)_____ called on pseudotapeworms scolrx (head)
bothria
69
Put in order the flukes life cycle.
``` Egg Miricidium Sporocyst Redia Cercaria ```
70
What is the common name for Platynososum fastosum?
Lizard-poisoning fluke
71
What parasite causes liver disease and be difficult to diagnose?
Platynososum fastosum or lizard poisoning fluke
72
What is the most common trematode infection?
Nanophyteus salmincola or the salmon poisoning fluke
73
Where is the salmon poisoning fluke found?
Pacifica northwest area and canada
74
What is the common name for the intestinal fluke that infects cats and dogs?
Alaria spp.
75
What fluke lives in the lungs?
Paragonumus kellicotti
76
What parastie do you get infected with from eating raw crawfish?
Paragonimus kellcotti
77
Protozoans are?
unicellular and free living

Veterinary Technician (23 decks)

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