9 Questions
Which substance in urine reduces ammoniacal Cupric Sulphate to red cuprous oxide?
Glucose
What is the normal range for glucose in blood during fasting?
3.6-6.4 mmol/l
What is the condition characterized by an excess of sugar in the urine?
Glycosuria
What is the renal threshold for glucose reabsorption in the proximal tubules?
160 -180 mg/100ml
Name one other reducing substance found in urine besides glucose.
Galactose, lactose, fructose, maltose
What change occurs to copper ions in the presence of a reducing substance in urine?
Cu++ is changed to Cu+ forming brick red copper (i) oxide
What is the significance of detecting glucose in urine?
It can be pathologically significant
What happens when blood glucose concentration exceeds the renal threshold?
Glucose appears in the urine
What are some causes of glycosuria?
Diabetes, kidney disease
Test your knowledge on identifying reducing substances in urine samples based on the ability to reduce ammoniacal Cupric Sulphate to red cuprous oxide. Learn about the common substances found in urine that can reduce oxidizing ions like silver, copper, and mercury.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
