INTRODUCTION - 9 - TC_Factors and Assessment

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* 1. Enter your first and last name

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* 2. Teat condition is assessed by visual observation and palpation of teats.

True

False

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* 3. Select all that apply. Teat condition changes associated with the milking machine are:

Discoloration

Vascular damage

Wedging

Chemical damage

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* 4. Teats with evidence of petechial haemorrhage or more extensive haemorrhage of the skin is an example of:

Vascular damage

Firmness at or near the teat end

Swelling at or near the teat base

Weather damage

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* 5. Thickening of the skin of the teat end giving roughness, cornification or callus formation is an example of:

Herpes mammillitis

Photosensitization

Ringing of teat base

Hyperkeratosis of teat end

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* 6. Which effect is associated with wedging of the teat end?

Withing one minute of cluster removal, the teat end orifice shows more than 2 mm wide or deep

Flattened shape of the teat end due to the compressive load applied by the opposing walls of a collapsed liner

The upper part of the teat has a visible and/or palpable thickened ring

Teat skin develops rash, itching and edema

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* 7. Unpigmented areas of teat skin developing redness and edema followed by weeping is an example of:

Weather damage

Allergic reaction

Photosensitization

Chemical damage

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* 8. Cuts are usually caused by hooves when cows are rising or lying down.

True

False

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* 9. Suckling by other animals results in lesions caused by teeth that are similar to chaps but are _____ on the teat.

Vertical

Horizontal

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* 10. Staph. Aureus, Strep. Dysgalactiae, Arcanobacterium pyogenes, Fusiformis necrophorum are:

Virus

Bacteria

Fungus

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* 11. Cowpox effects include:

Lesions develop as an erythema, forming a pustule that ruptures and then suppurates.

Numerous, raised, oedematous plaques about 1-2 cm in size.

Appearance varies with strain of virus from 'rice grain' in appearance to fronds.

Occasionally, the virus causes vesicular lesions and erosions on teats before they appear in the mouth.

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* 12. Ringworm is recognized by the characteristic ____ skin encrustation.

Grey-white

Red-yellow

Blue-brown

Black-grey

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* 13. F. necrophorum involves lesions that look like craters with raised edges and have a ____ spot of ulceration or scab in the center.

Red

Black

Yellow

Blue