Parasitology lab exam 1

Which nematodes are diagnosed by unembronated eggs?

Trichuris trichuria, Toxocara canis, Anccylostoma duodenale, Necator americanus, Enterobius vermicularis

Which nematodes are diagnosed by rhabditiform larvae?

Strongyloides stercoralis

which nematodes are diagnosed by unfertilized eggs/ fertilized eggs?

Ascaris lumbricoides

which nematodes are diagnosed by encysted larvae in muscle?

Trichinella spiralis

which nematodes are diagnosed by adults or eggs in liver?

Capillaria hepatica

which nematodes are infective as embryonated eggs?

Trichuris trichuria, Toxocara canis, Enterobius vermicularis, Capillaria hepatica

Which nematodes are infective in filariform larvae?

Strongyloides stercoralis, Ancylostoma dudenale, Necator americanus

Which nematodes are infective in uncooked meat and encysted larvae

Trichinella spiralis

which nematodes are within human host?

Trichuris trichuria, strongyloides stercoralis, Ascaris lumbricoides, Ancylostoma dudeenale, Necator americanus, enterobius vermicularis, Capillaria hepatica

Which nematodes are within dog host?

Toxocara canis

Which nematodes reach maturation in the ceceum?

trichuris trichura, Enterobius vermicularis

which nematodes reach maturation in the small intestine?

Strongyloides stercoralis, Ascaris lumbricoides, Ancylostoma duodenale, Necator americanus, Trichinella spiralis,

which nematodes reach maturation in the lumen?

Toxocara canis

Which nematodes reach maturation in the liver?

capillaria hepatica

dysentry, rectal prolapse, anemia, retarded physical development

Trichuris trichuria

shortened breath, gastrointestinal problems

Strongyloides stercoralis

fever, visible larva migrations, eonsinophilia, brain/eye diseases

Toxocara canis

malnutrition, pneumonia, cough, pneumonitis, lung damage, allergies, intestinal blockage

Ascaris lumbricoides

anemia, protein malnutrition, fatal to offspring

Ancylostoma duodenale

anemia, protein malnutrition, fatal to offspring

Necator americanus

butt itching, benign tumors, inflammation, tissue invasion

Enterobius vermicularis

pain/inflammation in muscle, dysentry, diarrhea

Trichinella spiralis

liver infections, jaundice, low/high levels of bile, esognophilia

Capillaria hepatica

what is the host of dirofilaria immitis?

Dogs

what is the host of onchocerca volvulus?

humans

what is the host of Wuchereria bancrofti?

humans

what is the vector host of Dirofilaria immitis?

mosquito

what is the vector host of Onchocerca volvulus?

black fly

what is the vector host of Wuchereria bancrofti?

mosquito

where does Wuchereria bancrofti reach maturation?

Lymphatic system

where does Onchocerca volvulus reach maturation?

Subcutaneous nodules

where does Dirofilaria immitis reach maturation?

Pulmonary arteries

cardiac/pulmonary pathology

Dirofilaria immitis

River Blindness, blurred vision

Onchocerca volvulus

Elephantiasis, swelling legs, mosquito bites

Wuchereria bancrofti

ascaris lumbricoides

necator americanus

trichuris trichiura

Strongyloides stercoralis