PRACTICE EXAM 2 URINARY SYSTEM | FROM QUESTION
TO PERFECTION| STUDY WITH CONFIDENCE!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100%.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, Identify the primary hormones involved in REGULATING URINE
CONCENTRATIONAnswer: -ADH
-ALDOSTERONE
-RENIN
Most reabsorption occurs in theAnswer: proximal convoluted tubule (REABSORPTION)
The process in which the NEPHRON RETURNS WATER and SOME FILTERED molecules to
the BLOOD is ________. (REABSORB=RETURN WATER AND FILTERED TO
BLOOD)Answer: tubular reabsorption (RETURNS WATER AND FILTERED MOL TO
BLOOD)
Normal filtrate that eventually forms urine is composed of:Answer: -METABOLIC WASTE
-EXCESSIVE IONS
-TOXIC MOLECULES
If blood pressure increases, smooth muscle cells in the afferent (CONSTRICTING) arterioles
will respond by _________keeping GFR stable (AUTOREGULATION) in a process known as
_________.Answer: constricting; autoregulation
Which of the following are caused by an increase in aldosterone? Choose all the apply.
The specialized PERITUBULAR capillaries associated with JUXTAMEDULLARY nephrons
are called VASA RECTAAnswer: -Increased absorption of Na+ and Cl-.
-Decrease in water volume lost to urine
-vasa recta
Approximately 85% of nephrons in the kidney are ______ nephrons.Answer: COR-TI-CAL
CORTICAL
Which of the following describes tubular secretion? (MOVED FROM BLOOD TO TUBULAR
FLUID)Answer: substances are moved from the blood to the tubular fluid
The quantity of glomerular filtrate produced per day is about (LITERS)Answer: 180 L
Other than excretion, the major functions of the kidneys include: (REGULATION)Answer:
REGULATION OF
-BLOOD SOLUTES
-RED BLOOD CELL PRODUCTION
-BLOOD VOLUME
Identify the components of the juxtaglomerular apparatus (check all that are correct)Answer:
MACULA DENSA AND JUXTAGLOMERULAR CELLS
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
TO PERFECTION| STUDY WITH CONFIDENCE!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100%.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, Identify the primary hormones involved in REGULATING URINE
CONCENTRATIONAnswer: -ADH
-ALDOSTERONE
-RENIN
Most reabsorption occurs in theAnswer: proximal convoluted tubule (REABSORPTION)
The process in which the NEPHRON RETURNS WATER and SOME FILTERED molecules to
the BLOOD is ________. (REABSORB=RETURN WATER AND FILTERED TO
BLOOD)Answer: tubular reabsorption (RETURNS WATER AND FILTERED MOL TO
BLOOD)
Normal filtrate that eventually forms urine is composed of:Answer: -METABOLIC WASTE
-EXCESSIVE IONS
-TOXIC MOLECULES
If blood pressure increases, smooth muscle cells in the afferent (CONSTRICTING) arterioles
will respond by _________keeping GFR stable (AUTOREGULATION) in a process known as
_________.Answer: constricting; autoregulation
Which of the following are caused by an increase in aldosterone? Choose all the apply.
The specialized PERITUBULAR capillaries associated with JUXTAMEDULLARY nephrons
are called VASA RECTAAnswer: -Increased absorption of Na+ and Cl-.
-Decrease in water volume lost to urine
-vasa recta
Approximately 85% of nephrons in the kidney are ______ nephrons.Answer: COR-TI-CAL
CORTICAL
Which of the following describes tubular secretion? (MOVED FROM BLOOD TO TUBULAR
FLUID)Answer: substances are moved from the blood to the tubular fluid
The quantity of glomerular filtrate produced per day is about (LITERS)Answer: 180 L
Other than excretion, the major functions of the kidneys include: (REGULATION)Answer:
REGULATION OF
-BLOOD SOLUTES
-RED BLOOD CELL PRODUCTION
-BLOOD VOLUME
Identify the components of the juxtaglomerular apparatus (check all that are correct)Answer:
MACULA DENSA AND JUXTAGLOMERULAR CELLS
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
