Coccidia and Coccidiosis

Description

Protozoa II - Coccidia and Coccidiosis
Caitlin  Wringe
Quiz by Caitlin Wringe , updated more than 1 year ago
Caitlin  Wringe
Created by Caitlin Wringe over 5 years ago
10
0

Resource summary

Question 1

Question
Coccidia are obligate intracellular parasites.
Answer
  • True
  • False

Question 2

Question
Label the life cycle of coccidia
Answer
  • 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

Question 3

Question
What is the infectious form of coccidia?
Answer
  • Oocyte
  • Sporozoite
  • Trophozoite
  • Merozoite

Question 4

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

Question 5

Question
What is this morphological stage called?
Answer
  • Zoite
  • Sporozoite
  • Merozoite
  • Oocyte

Question 6

Question
What is this structure called?
Answer
  • Sporulated oocyst
  • Oocyst
  • Sporozoite
  • Zoite

Question 7

Question
What is this morphological structure called?
Answer
  • Unsporulated oocyst
  • Sporozoite
  • Zoite
  • Merozoite

Question 8

Question
Coccidia is prevalent in [blank_start]crowded[blank_end] conditions.
Answer
  • crowded

Question 9

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

Question 10

Question
Coccidiosis is often asymptomatic.
Answer
  • True
  • False

Question 11

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

Question 12

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

Question 13

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

Question 14

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