Edexcel IGCSE Biology 2.76B Selective reabsorption
Practise explaining selective reabsorption by linking glucose, water and urea changes in filtrate to named nephron regions.
- Syllabus
- First assessment 2019
- Course
- Biology 4BI1
Exam points
- explain glucose in urine by linking high blood sugar to incomplete reabsorption
- interpret urea concentration changes when water is reabsorbed from filtrate
- apply osmosis to water reabsorption in the collecting duct in desert mammals
2.76B Water reabsorption from the collecting duct question 1
The diagram shows a nephron of a kidney, with some of the structures labelled.
Desmopressin is a drug used to reduce the symptoms of diabetes insipidus.
Suggest what effect the drug would have on the nephron.
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