Practice Mid Term Flashcards

1
Q

The lifecycle of trichostrongylid nematodes can be best described as:

A

Direct and non-migratory, with transmission by host ingestion.

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2
Q

The eggs of whipworms (Trichuris spp) can be best described as ?

A

Thick shelled, unembryonated with bipolar plugs - very resistant

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3
Q
Which of the following parasite genera is not found in the blood of the host?
Dirofilaria 
Trypanosoma 
Anisakis 
Babesia 
Schistosoma
A

Anisakis -
Definitive Host - Stomach, GI tract (mammals, marine mammals)
Intermediate Host - Flesh and Body Cavity

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4
Q
The larval stage of Ancylostoma canimum can infect people, causing a disease called?
Toxocariasis
Toxoplasmosis
Chagas Disease 
Cutaneous Larval Migrans
Visceral Larval Migrans
A

Cutaneous Larval Migrans

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5
Q
The definitive host(s) of Toxoplasma gondii is/are?
Humans
Dogs
Cats
Dogs and Cats
Humans, Dogs and Cats
A

Cats - Transmission ingestion of cysts and vertical transmission. Eating/Predation

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6
Q
Which of the following Arthropod is not a potential human health problem? 
Xenopsylla
Anopheles 
Pthirus 
Sarcopters
Linognathus
A

Linognathus

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