Human Excretory System — Prelims Questions

Which of the following statements about the human excretory system is INCORRECT?

If the GFR is $125,\text{mL/min}$ and the amount of a substance 'X' filtered per minute is $100,\text{mg}$, but only $10,\text{mg}$ of 'X' is excreted in urine per minute, what is the percentage of 'X' reabsorbed?

Which part of the nephron is primarily responsible for the reabsorption of nearly all essential nutrients like glucose and amino acids?

A person is suffering from severe dehydration. Which of the following hormonal responses would be expected?

The presence of which of the following in urine indicates a potential problem with glomerular filtration or renal tubule function?

The part of the nephron that is impermeable to water but allows the active transport of electrolytes is the: