Question 1
When the plasma concentration of a substance exceeds its renal concentration, more of the substance will be
◦ filtered.
◦ secreted.
◦ reabsorbed.
◦ excreted.
◦ None of the answers are correct.
Question 2
Damage to the renal medulla would interfere first with the functioning of the
◦ proximal tubule.
◦ collecting ducts.
◦ distal tubule.
◦ glomerulus.
◦ Bowman's capsule.