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15 Cards in this Set
- Front
- Back
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Name a cat flea |
Ctenocephalides felis |
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Name a tick |
Sheep tick |
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Name some mites |
Demodex Walking dandruff - Cheyletiella Ear mites - otodectes cyanotis Harvest mite |
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What are the 2 types of lice? |
Biting Sucking |
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Give two examples of fungi that affect the skin |
Dermatophytes - ringworm Malassezia - yeast |
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Give an example of a bacteria that causes skin conditions |
Staphylococcus intermedius |
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Name some other skin conditions |
Allergies Neoplasia- mast cell tumour, lymphsarcoma Auto-immune skin disease eg discoid lupus Endocrine - hypothyroidism, cushings, hyperthyroidism |
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How can skin problems be investigated? |
Skin scrapes Intradermal skin fine needle aspirate tape strip woods lamp blood-check hormones, antibodies culture and sensitivity Biopsy- punch, exisional, incision |
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Name some surface mites |
Otodectes cynotis - ear mite Trombicula autumnalis (harvest mite) |
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Name some burrowing mites |
Sarcoptes scabiei Demodex |
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How would you perform a tape strip test? |
Tape removes outer layers of epidermis and ectoparasites Clear tape can be applied to skin repeatedly until debris sticks Apply to a microscope slide and examine |
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What are liquid paraffin skin scrapes used for? |
Done to detect burrowing and follicular mites |
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How would a skin scrape be performed? |
Clip hair without disrupting skin Apply liquid paraffin to skin stretch skin between finger and thumb scrape skin with no10 blade scrape until capillary ooze a little apply material to slide use liquid parrafin and apply cover slip |
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What can be used instead of liquid paraffin? |
Potassium hydroxide |
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How would a hair pluck be performed? |
Hairs grasped with fine forceps pull in direction of hair growth place in liquid paraffin on microscope slide |
