Final Exam Review Animal Technology II

What is the tough, clear covering over the iris and the pupil that helps protect the eye? Cornea

Define Blepharospasm Holding eyes shut tightly

Define epiphora Excessive tearing

What is the first thing you need to do early in the eye exam before anything is placed into the eyes? Culture

Define PLR and explain the difference between direct and consensual PLR. Pupillary Light Reflex Direct: shine light in one eye and the pupil should constrict Consensual: shine light in one eye and both eyes should constrict

Explain the Schirmer Tear Test and the normal values. Measures amount of tear production Strip must touch cornea for 1 minute then read immediately Normal range: 15-25 mm/min

What is Fluorescein stain used to detect What is Fluorescein stain used to detect? How do you know if it is positive? Used to detect corneal ulcers Green is positive

What type of drug is used to constrict the pupils? Miotics

This eye disease causes the pupil to appear a soft gray color and only causes a slight blurring of the visionand poor depth perception. Nuclear or Lenticular Sclerosis

This is the abnormal position of eyelashes on a lid margin that result in irritation of the eye. Distichiasis

Transmission of parasites involve 3 factors: Source of infection Mode of transmission Presence of a susceptible host

Sarcoptes scabiei

Is Sarcoptes scabiei zoonotic? YES! How do you diagnose it? Deep skin scraping Name 1 method of treatment. Dips (Mitaban) Ivermectin Revolution Anti-itch shampoo

Otodectes cynotis

Otodectes cynotis Common name? Ear mite What is the appearance? “Coffee ground” appearance, black waxy Treatment? Acarexx, Milbemite and Revolution

Demodex

Demodex Common Name? Follicle mite 3 forms of disease? Zoonotic? No Localized, Generalized, Demodectic pododermatitis Zoonotic? No

Cheyletiella spp.

Cheyletiella spp. Common Name Walking Dandruff Diagnosis Superficial skin scraping Clear tape test

Ixodes scapularis Deer Tick

Dermacentor variabilis American Dog Tick

Order Mallophaga Chewing or biting

Order Anoplura Sucking

Ctenocephalides felis felis Flea

Cat fecal

Dog fecal

Dog fecal

Dog fecal

Dog fecal

Cat fecal

Cat fecal

Cat fecal

Cat fecal

Dog Fecal

Dog fecal

Cattle fecal

Dog urine

Horse

Horse fecal

Ruminant fecal

Ruminant fecal

Dog fecal

Dog fecal

Dog fecal

Dog fecal

Dog fecal

Pig fecal

Dog fecal (very large egg!)

Dog fecal

Dog fecal

Swine fecal

What do Ascarids cause in people? Ocular, visceral and neural migrans

Are Hookworms zoonotic? YES What do they cause? Cutaneous larval migrans

What is the most common GI nematode of swine? Ascaris suum

What is the “HOT” complex? H = Haemonchus O = Ostertagia T = Trichostrongylus

What method do you use to find Pinworms in horses? Scotch tape technique What is another reason a male horses rubs its tail? -Dirty sheath

Define aberrant host Parasite not normally found and unsuitable for development Roundworms in people

Name the parasite located in the bladder and the paratenic host is the earthworm. Pearsonema plica

What don’t we commonly see tapeworm eggs in fecals? Located in egg pouches within the proglottid Not seen unless proglottid is ruptured

Which tapeworm’s intermediate host is the flea? Dipylidium caninum

What is the name of the beef tapeworm? Taenia saginata What is the name of the swine tapeworm? Taenia solium

What is the name of the common liver fluke? Fasciola hepatica

Which form of Giardia is found in formed feces? cysts Which form of Giardia is found in diarrheic feces? trophozoites

What is the name of the parasite that pregnant women need to be aware of? Toxoplasma gondii

What parasite causes flu-like symptoms in immunocompetent people? Cryptosporidium spp.

What is the name of the parasite that causes EPM in horses? Sarcocystis spp. What animal transmits EPM to horses? Opossums

GOOD LUCK on your finals