Coccidia and Coccidiosis

Beschreibung

Protozoa II - Coccidia and Coccidiosis
Caitlin  Wringe
Quiz von Caitlin Wringe , aktualisiert more than 1 year ago
Caitlin  Wringe
Erstellt von Caitlin Wringe vor mehr als 5 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
Coccidia are obligate intracellular parasites.
Antworten
  • True
  • False

Frage 2

Frage
Label the life cycle of coccidia
Antworten
  • Sporogony/Transmission
  • Infection
  • Merogony 1
  • Merogony 2 (Multiplication)
  • Merogony 3/4
  • Gamogony/Sexual reproduction
  • Sporulated oocyt ingested
  • Sporozoites invade intestinal cells
  • Trophozoites grow to form meront
  • Merogony stage produce merozoites
  • Merozoites burst from cell and invade
  • Second generation of meronts produced
  • Macrogametocyte/Microgametocyte formed
  • Mature macrogametes/microgametes
  • Fertilisation forms zygote then oocyte
  • Release of oocyte in faeces
  • Oocytes sporulate to form sporozoites

Frage 3

Frage
What is the infectious form of coccidia?
Antworten
  • Oocyte
  • Sporozoite
  • Trophozoite
  • Merozoite

Frage 4

Frage
Which two structures are involved in fertilisation to form a zygote?
Antworten
  • Microgamete and Macrogamete
  • Microgametocyte and Macrogametocyte
  • Merozoites and Trophozoites
  • There is no sexual reproduction involved in the coccidia lifecycle. Only asexual reproduction occurs.

Frage 5

Frage
What is this morphological stage called?
Antworten
  • Zoite
  • Sporozoite
  • Merozoite
  • Oocyte

Frage 6

Frage
What is this structure called?
Antworten
  • Sporulated oocyst
  • Oocyst
  • Sporozoite
  • Zoite

Frage 7

Frage
What is this morphological structure called?
Antworten
  • Unsporulated oocyst
  • Sporozoite
  • Zoite
  • Merozoite

Frage 8

Frage
Coccidia is prevalent in [blank_start]crowded[blank_end] conditions.
Antworten
  • crowded

Frage 9

Frage
Transmission is via [blank_start]faecal-oral route[blank_end], contaminated [blank_start]feed[blank_end] and [blank_start]water[blank_end].
Antworten
  • faecal-oral route
  • feed
  • water

Frage 10

Frage
Coccidiosis is often asymptomatic.
Antworten
  • True
  • False

Frage 11

Frage
Which of the following is associated with Coccidiosis?
Antworten
  • Crypt hyperplasia
  • Destruction of epithelial cells
  • Intestinal lesions
  • Crypt infection
  • Kidney lesions

Frage 12

Frage
What are some clinical signs of a Coccidiosis infestation?
Antworten
  • Diarrhoea
  • Blood in faeces
  • Poor weight gain/emaciation
  • Fever
  • Vomiting

Frage 13

Frage
Which three diagnosis tests can be used to confirm a Coccidia infection?
Antworten
  • Faecal flotation, clinical signs, histopathology
  • Faecal flotation, direct smear, PCR
  • Histopathology, direct smear, ELISA
  • Histopathology, ELISA, direct smear

Frage 14

Frage
What is the best approach to treatment of Coccidiosis?
Antworten
  • Supportive treatment and control of secondary infections
  • Febantel
  • Fluroquinalones
  • Tetracyclines
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