Biology 2A03 Renal Physiology – Biology 2A03 2025/2026 – Complete Exam Questions and Answers

Biology 2A03 Renal Physiology
2026 Exam Questions and
Answers | Already Graded A+



What is the function of a Nephron? - ANSWER ✔✔Produces Urine


By the time urine leaves the Nephron, it is: - ANSWER ✔✔Fully

Formed

The Kidneys must regulate _________ and _________ excretion to

maintain osmotic homeostasis, and to maintain total body water. -

ANSWER ✔✔Water and NaCl

, What are the three main Transport Processes of a Nephron? (Also the 3

basic processes of urine formation) - ANSWER ✔✔- Glomerular

Filtration

- Tubular Reabsorption

- Tubular Secretion


What is Glomerular Filtration? - ANSWER ✔✔Blood pressure forces

water and solutes across the wall of the glomerular capillaries and into

the capsular space


What is Reabsorption? (From where to where?) - ANSWER ✔✔The

removal of water and solutes from the filtrate, and their movement

across the tubular epithelium and into the peritubular fluid


What is Secretion? - ANSWER ✔✔The transport of solutes from the

peritubular fluid, across the tubular epithelium, and into the tubular fluid.

Nephrons exist mostly within the: (2 parts of the same organ) -

ANSWER ✔✔Renal cortex or within the renal medulla (the Kidney)


What are the two types of nephrons? - ANSWER ✔✔- Cortical

nephrons

- Juxtamedullary nephrons