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CFCC VET TECH PARASITOLOGY NEMATODA EXAM
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: Which of the following statements about nematodes is MOST accurate?
A female nematode can produce up to 100 eggs or larvae each day.
Nematodes are dioecious.
The most important nematode's organs are it's respiratory and reproductive systems.
Nematodes are hermaphroditic. - ANSWER-Nematodes are dioecious.
QUESTION: All of the following statements about nematodes are true except:
nematodes can be free-living.
nematodes primarily affect companion animals, as opposed to farm animals.
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nematodes can parasitize plants.
nematodes parasitize both domestic and wild animals, as well as humans. - ANSWER- nematodes primarily affect companion animals, as opposed to farm animals.
QUESTION: There are approximately ________ species of nematodes. - ANSWER-10,000
QUESTION: Which of the following statements about the life cycle of nematodes is the most accurate?
When larvae molt, they are shedding their hypodermis
Canine hookworms have an indirect life cycle
In all cases, the infective stage can infect the definitive host only by intervention of the intermediate host.
The first three larval stages can develop either in the external environment or within an intermediate host, depending on the nematode in question. - ANSWER-The first three larval stages can develop either in the external environment or within an intermediate host, depending on the nematode in question. 2 / 3
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QUESTION: Which larval stage in the life cycle of most nematodes is infective for the definitive host? - ANSWER-third
QUESTION: Regarding Toxocara canis:
the most common symptom of a Toxocara canis infection is increased urination.
the L2 larvae migrate to the puppy's liver, where they grow into adult womrs.
the larvae can cross the placental barrier.
accidental ingestion by humans of Toxocara canis ova causes cutaneous larva migrans. - ANSWER-the larvae can cross the placental barrier.
QUESTION: Which of following statements about Toxocara canis is the most accurate?
Adult worms are 10 to 15 mm in length and elongated when passed in the feces.
Owners might describe "grains of rice" in the vomitus of infected dogs.
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