EXAM 1 Flashcards

(15 cards)

1
Q

Class Nematoda inlcludes…

A
  • Roundworms
  • Hookworms
  • Whipworms
  • Threadworms
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2
Q

What is the common name for Spirocerca Lupi?

A

Esophageal Worm

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3
Q

What are the hosts for Spirocerca Lupi?

A

– Final: Dogs (wild canids)

– IH: Dung beetle
– PH: Chickens, birds, lizards

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4
Q

How do you ID Spirocerca Lupi Adults?

A

RED worms

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5
Q

ID: Spirocerca Lupi Eggs

A

Small and elongated

30-35 um

L1

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6
Q

Life Cycle of Spirocerca Lupi?

A

  • Indirect
  • ELLLLLA (L3 in dung beetle is infective)
  • Larvae migrate to thoracic
    aorta then migrate to esophagus
    3 months later (PPP = 6 month
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7
Q

What is a prepatent period (PPP)?

A

Time from infection until the adult parasite is producing eggs, larvae or other immature forms.

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8
Q

Sites of Infection: Spirocerca Lupi

A

– Adults in granulomas in esophagus and stomach

– Larvae in wall of aorta

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9
Q

Pathogenesis/ Lesions:

Spirocerca Lupi

A

– Larvae scar the aorta

– Clinical signs from granulomas (regurg, dysphagia, etc)

– Osteosarcoma

– Osteopathy of long bones

– Spondylosis of thoracic vertebrae

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10
Q

Clinical Signs: Spirocerca Lupi

A

– Regurgitation

– Dysphagia (trouble swallowing)

– Emaciation

– Loss of condition

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11
Q

Diagnosis: Spirocerca Lupi

A

– Eggs sometimes difficult to find in feces/ vomitus

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12
Q

Treatment: Spirocerca Lupi

A

Macrocyclic Lactones

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13
Q

Common Name:

*Physaloptera spp *

A

Stomach Worm

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14
Q

Hosts: Physaloptera spp

A

– Final: Dogs/ Cats

– IH: Beetles/ Cockroaches

– PH: Birds/ Snakes

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15
Q
A
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