4 - KATO KATZ

Question 1

Quantitative procedure
Measured amount of stool

Answer 1

Kato Katz

Question 2

Uses

Answer 2

Correlates the severity of clinical disease with intensity of infection
Assesses the efficacy of antihelmintics and reduction of worm burden following treatment

Question 3

Check the color and consistency of stool
Place a huge amount of stool in a newspaper
Press the stool with nylon mesh wire
Place the template with hole in the center of the slide
Scrape the stool using scraper
Place the scraped stool in the template slide
Remove the template carefully
Place the soaked cellophane on the stool
Using the rubber stopper, press the stool sample evenly
Cover the whole stool with cellophane
Label the specimen (name, date and time)
Allow the specimen to settle for an hour or two before viewing under the microscope (no need for cover slip)

Answer 3

Procedure

Question 4

scanning and counting of parasite eggs

Answer 4

Low Power Objective

Question 5

identification of parasite

Answer 5

High Power Objective

Question 6

Multiply the total eggs counted by the following factor to express the count as

Answer 6

Egg Per Gram Feces (EPG)

Question 7

50mg

Answer 7

x 20

Question 8

20mg

Answer 8

x 50

Question 9

41.17mg

Answer 9

x 24

Question 10

If parasite egg or larvae are seen, report as:

Answer 10

Positive for species and stage of the parasite
(1 egg = 24 eggs per gram)
Ex: positive for Ascaris lumbricoides egg

Question 11

If parasite egg or larvae are NOT seen, report as:

Answer 11

No Intestinal Parasite Seen (NIPS)