FINALS 1

Question 1

Brine Flotation Method AKA ______

Answer 1

Saturated salt solution technique

Question 2

Main reagent in Zinc Sulfate Flotation Method

Answer 2

33% zinc sulfate solution

Question 3

What will happen when there is a high specific gravity of exposure of parasites?

Answer 3

Cause distortion and shrinkage of protozoan cysts and think-walled nematode eggs after 20 minutes

Question 4

(1) advantage of brine flotation method

Answer 4

Low cost and simple

Question 5

(2) disadvantages of brine flotation method

Answer 5

Helminth eggs of hookworm and schistosoma become badly shrunken

Not useful for operculated eggs like Chlonorchis, Opistorchis and Heterpphyids because these do not float in brine solution

Question 6

Who originally developed the procedure on sin sulfate flotation method? And what year?

Answer 6

Faust, 1938

Question 7

SG = specific gravity

If SG is 1.18, this is used for _______
If SG is 1.20, this is used for _______

Answer 7

Fresh stool

Preserved stool

Question 8

What are the parents recommended for the recovery in Acid Ether Concentration Technique?

Answer 8

Trichuris, Capillaria, Schistosoma

Question 9

It is the main determinant for the sensitivity of Kato-Katz technique since well-formed stool yield higher eggs counts

Answer 9

Consistency of the stool

Question 10

Factors contributing to transmission of Ascariasis

Answer 10

Poor health education
Poor sanitation
Highly populated communities
Farmers

Question 11

Infections with over ______ Trichuris eggs/gram feces are usually symptomatic

Answer 11

5000