TRYPTOPHAN DISORDERS Flashcards by Joan Kim | Brainscape

Q

TRYPTOPHAN DISORDERS

A

INDICANURIA

ARGENTAFFINOMA

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Q

URINE DESCRIPTION IN INDICANURIA

A

Indigo blue upon air exposure

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Q

INDICANURIA IS SEEN IN

A

Intestinal disorders

2. Hartnup disease

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Q

HARTNUP DISEASE IS ALSO KNOWN AS

A

BLUE DIAPER SYNDROME

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Q

Test for INDICANURIA

A

OBERMAYER’S TEST

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Q

OBERMAYER’S TEST: PROCEDURE + RESULT

A

FeCl3 + Urine + Chloroform = (+) Violet color

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Q

What is ARGENTAFFINOMA

A

Tumor of argentaffin/enterochromaffin cells

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Q

Function of argentaffin cells

A

Produce SEROTONIN

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Q

Metabolite of serotonin

A

5-hydroxyindoleacetic acid (5-HIAA)

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Q

SCREENING TESTS FOR ARGENTAFFINOMA (+ RESULTS)

A

FeCl3 tube test: (+) blue green

2. Nitroso-naphthol w/ nitrous acid: (+) violet

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