A person has a blockage in both ureters. The kidneys still form urine.
Which change occurs first as a direct result of the blockage?
less urine reaches the bladder from the kidneys
less blood reaches the kidneys from the arteries
more urine leaves the bladder through the urethra
more blood leaves the kidneys through the ureters
45 exam-style questions on Edexcel GCSE Biology 7.4 Blood glucose and the urinary system, covering 7.4.1 Insulin and blood glucose control, 7.4.2 Glucagon and blood glucose regulation, 7.4.3 Type 1 and type 2 diabetes, 7.4.4 Structure of the urinary system, 7.4.5 Structure and function of the nephron, 7.4.6 ADH and water regulation, 7.4.7 Treatments for kidney failure, and 7.4.8 Production of urea in the liver. Each one has a worked solution and a mark scheme showing where the marks go.