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
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
