Lab sample Collection 1

Question 1

What type of scalpel blade is used for a skin scrapping

Answer 1

Usually a ten blade

Question 2

What substance is used for a skin scraping prep?

Answer 2

Mineral oil

Question 3

Tips for skin scraping tips

Answer 3

1. Take care not to cut the skin
2. Moisten scalpel blade w mineral oil

Question 4

Procedure for skin scrapping

Answer 4

Pinch a fold of skin and scrape surface until drops of capillary blood appear

Question 5

Cellophane tape preparation can be used to diagnose/recovered what

Answer 5

Lice, Mites, and ova of pinworm and tapeworm

Question 6

How do you determine the type of diagnostic technique?

Answer 6

the type of parasite youre looking for based on clinical signs and patient history

Question 7

Lung worm sample name

Answer 7

Sputum

Question 8

How does centrifugal floatation differ from simple floatation?

Answer 8

• more sensitive than simple floatation
• recovers more eggs and cysts in less time

Question 9

Specifics of centrifugal floatation

Answer 9

• 2-5g
  -centrifuge for 5 min at 1500 rpm

Question 10

Why is it best to use fecal sedimentation for the recovery of fluke eggs

Answer 10

most fluke eggs do not float or they are distorted by floatation solutions making them difficult to recognize

Question 11

What technique estimates the number of eggs per gram of feces?

Answer 11

Modified Mcmasters (live stock)