Session 3 - Filtration Flashcards Preview

Semester 3 - Urinary > Session 3 - Filtration > Flashcards

Flashcards in Session 3 - Filtration Deck (95)
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91

What is general overflow aminoaciduria?

• All amino acids present in urine
• Due to inadequate deamination in the liver, or increased GFR

92

When is general overflow aminaciduria often seen?

• Early pregnancy

93

What is specific overflow aminoaciduria?

• Only a specific AA is present in the urine.
• This is usually do to a genetic inability to break down one AA
• PKU
• Homocysteinuria

94

How can kidney stones develop as a result of renal aminoaciduria?

• Caused by dibasic acids, due to failure of transport system
• Cystein abnormally insoluble, and is strongly associated with kidney stone formation
• Cysteinuria associated with stone formation

FUN FACT

95

What is the difference between clearance rate and GFR?

GFR does not take into account secreted ions, but clearance rate does.