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Midterms: Fecal Analysis and Other Body Fluids Quiz

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Midterms: Fecal Analysis and Other Body Fluids Quiz

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Questions and Answers

What is the purpose of emulsifying stool in 10% alcoholic eosin?

To examine for undigested fibers

To monitor patients undergoing treatment for malabsorption disorders

To screen for the presence of excess fecal fat

To count the number of red-stained fibers with well-preserved striations (correct)

Which type of fat droplets are readily stained by Sudan III?

Neutral Fats/Triglycerides (correct)

Fatty acids

Fatty acid salts

Fatty Acid Salts

What indicates steatorrhea when using Sudan III staining?

100 small fat droplets

>10 undigested fibers

No visible striations in fibers

>60 large fat droplets per high power field (correct)

How are Fatty Acid Salts and Fatty acids stained for observation?

Mixed with HAc and heated with Sudan III Signup and view all the answers

What is the distinctive feature of undigested fibers observed during the examination?

Striations in both vertical and horizontal directions Signup and view all the answers

What is the significance of having more than 10 undigested fibers during fecal fat examination?

Shows incomplete fat digestion Signup and view all the answers

How are fatty acid salts and fatty acids prepared for staining with Sudan III?

Mixed with HAc and heated Signup and view all the answers

What distinguishes partially digested fibers from undigested fibers?

Striations in both vertical and horizontal directions Signup and view all the answers

What is the characteristic of fatty acid salts and fatty acids when directly stained with Sudan III?

Do not stain directly with Sudan III Signup and view all the answers

What parameter indicates steatorrhea when using Sudan III staining?

>60 large fat droplets per high power field Signup and view all the answers