Question 1

The smooth muscle of the bladder is innervated by parasympathetic fibres.

Accepted Answer

A) True 
 B)False

Question 2

The group of cells located where the distal tubule comes into contact with the afferent and efferent arterioles of the same nephron is known as the juxtaglomerular apparatus.

Accepted Answer

A) True 
 B)False

Question 3

Match the urinary system feature with the correct characteristic by using the answer code:
-a nitrogen waste product from RNA metabolism

Accepted Answer

A) urea 
B) creatinine 
C) uric acid 
D) Na+ 
E) glucose 
A) urea 
B) creatinine 
C) uric acid 
D) Na+ 
E) glucose

Question 4

Which is the functional unit of the kidney?

Accepted Answer

A)  Glomerulus 
B)  Nephron 
C)  Medulla 
D)  juxtaglomerular apparatus 
A)  Glomerulus 
B)  Nephron 
C)  Medulla 
D)  juxtaglomerular apparatus

Question 5

Which statement regarding aldosterone is NOT true?

Accepted Answer

A)  It stimulates Na+ reabsorption in the distal and collecting tubules. 
B)  It is secreted by the JG apparatus. 
C)  It stimulates K+ secretion in the distal tubule. 
A)  It stimulates Na+ reabsorption in the distal and collecting tubules. 
B)  It is secreted by the JG apparatus. 
C)  It stimulates K+ secretion in the distal tubule.

Question 6

Given the following data for substance X (GFR = 125 mL/min,Tm = 125 mg/min,at a plasma concentration of 200 mg/100 mL),how much of substance X is filtered,reabsorbed,and excreted?

Accepted Answer

A)  125 mg/min filtered, 125 mg/min reabsorbed, 0 mg/min excreted 
B)  200 mg/min filtered, 125 mg/min reabsorbed, 75 mg/min excreted 
C)  250 mg/min filtered, 125 mg/min reabsorbed, 125 mg/min excreted 
D)  250 mg/min filtered, 200 mg/min reabsorbed, 50 mg/min excreted 
A)  125 mg/min filtered, 125 mg/min reabsorbed, 0 mg/min excreted 
B)  200 mg/min filtered, 125 mg/min reabsorbed, 75 mg/min excreted 
C)  250 mg/min filtered, 125 mg/min reabsorbed, 125 mg/min excreted 
D)  250 mg/min filtered, 200 mg/min reabsorbed, 50 mg/min excreted

Question 7

The permeability and transport properties of the loops of Henle of juxtamedullary nephrons are important in establishing the vertical osmotic gradient in the renal medulla.

Accepted Answer

A) True 
 B)False

Question 8

Indicate which substance in the top column undergoes the process in the lower column by using the answer code:
-filtered but not reabsorbed or secreted

Accepted Answer

A) K+ 
B) glucose 
C) inulin 
D) plasma protein 
E) urea
F)H+ 
A) K+ 
B) glucose 
C) inulin 
D) plasma protein 
E) urea
F)H+

Question 9

Vasopressin increases H₂O reabsorption in the proximal tubule.

Accepted Answer

A) True 
 B)False

Question 10

What is NOT reabsorbed by the proximal convoluted tubule?

Accepted Answer

A)  sodium 
B)  lipids 
C)  glucose 
A)  sodium 
B)  lipids 
C)  glucose

Question 11

Which statement regarding water reabsorption is NOT true?

Accepted Answer

A)  It cannot occur from any portion of the nephron in the absence of vasopressin. 
B)  It occurs to the greatest extent in the proximal convoluted tubule. 
C)  It is under vasopressin control in the distal and collecting tubules. 
A)  It cannot occur from any portion of the nephron in the absence of vasopressin. 
B)  It occurs to the greatest extent in the proximal convoluted tubule. 
C)  It is under vasopressin control in the distal and collecting tubules.

Question 12

The plasma clearance of the harmless foreign compound ____________________ is equal to the GFR.

Accepted Answer

The answer of The plasma clearance of the harmless foreign...

Question 13

The three major processes involved in urine formation are filtration,reabsorption,and excretion.

Accepted Answer

A) True 
 B)False

Question 14

Each tuft of glomerular capillaries is held together by ____________________ cells.

Accepted Answer

The answer of Each tuft of glomerular capillaries is held...

Question 15

Match the renal structure or activity with the correct characteristic by using the answer code:
-afferent arteriole

Accepted Answer

A) collecting tubules empty into this structure 
B) stores the urine 
C) passage of substances from the peritubular into the tubular lumen 
D) carries blood to the glomerulus 
E) tuft of capillaries that forms the filtrate
F)passage of protein-free plasma into Bowman's capsule
G)urine is forced through this structure by peristalsis
H)collects the glomerular filtrate
I)passage of substances from the tubular lumen into the peritubular capillaries
J)functional unit of the kidney
K)supplies the renal tissue with O2 and nutrients
L)carries blood from one capillary network to another capillary network
M)tube through which urine leaves the body
N)variable water and sodium reabsorption occur here under hormonal control
O)responsible for the vertical osmotic gradient in the medulla of the kidney
P)glucose and amino acid reabsorption occur here 
A) collecting tubules empty into this structure 
B) stores the urine 
C) passage of substances from the peritubular into the tubular lumen 
D) carries blood to the glomerulus 
E) tuft of capillaries that forms the filtrate
F)passage of protein-free plasma into Bowman's capsule
G)urine is forced through this structure by peristalsis
H)collects the glomerular filtrate
I)passage of substances from the tubular lumen into the peritubular capillaries
J)functional unit of the kidney
K)supplies the renal tissue with O2 and nutrients
L)carries blood from one capillary network to another capillary network
M)tube through which urine leaves the body
N)variable water and sodium reabsorption occur here under hormonal control
O)responsible for the vertical osmotic gradient in the medulla of the kidney
P)glucose and amino acid reabsorption occur here

Question 16

What does NOT play a role in Na⁺ reabsorption?

Accepted Answer

A)  renin 
B)  vasopressin 
C)  angiotensinogen 
D)  aldosterone 
A)  renin 
B)  vasopressin 
C)  angiotensinogen 
D)  aldosterone

Question 17

The glomerular filtrate contains only substances that are not needed by the body.

Accepted Answer

A) True 
 B)False

Question 18

What does the process of preventing micturition in spite of initiation of the reflex NOT involve?

Accepted Answer

A)  the cerebral cortex 
B)  voluntary stimulation of the motor neuron supplying the external urethral sphincter 
C)  voluntary stimulation of the internal urethral sphincter via its parasympathetic nerve supply 
A)  the cerebral cortex 
B)  voluntary stimulation of the motor neuron supplying the external urethral sphincter 
C)  voluntary stimulation of the internal urethral sphincter via its parasympathetic nerve supply

Question 19

Match the urinary system feature with the correct characteristic by using the answer code:
-a detoxified ammonia compound

Accepted Answer

A) urea 
B) creatinine 
C) uric acid 
D) Na+ 
E) glucose 
A) urea 
B) creatinine 
C) uric acid 
D) Na+ 
E) glucose

Question 20

A pure loss or gain of H₂O that is not accompanied by comparable solute deficit or excess in the body leads to changes in ECF osmolarity.

Accepted Answer

A) True 
 B)False

The smooth muscle of the bladder is innervated by parasympathetic fibres.

The group of cells located where the distal tubule comes into contact with the afferent and efferent arterioles of the same nephron is known as the juxtaglomerular apparatus.

Match the urinary system feature with the correct characteristic by using the answer code: -a nitrogen waste product from RNA metabolism

Which is the functional unit of the kidney?

Which statement regarding aldosterone is NOT true?

Given the following data for substance X (GFR = 125 mL/min,Tm = 125 mg/min,at a plasma concentration of 200 mg/100 mL),how much of substance X is filtered,reabsorbed,and excreted?

The permeability and transport properties of the loops of Henle of juxtamedullary nephrons are important in establishing the vertical osmotic gradient in the renal medulla.

Indicate which substance in the top column undergoes the process in the lower column by using the answer code: -filtered but not reabsorbed or secreted

Vasopressin increases H₂O reabsorption in the proximal tubule.

What is NOT reabsorbed by the proximal convoluted tubule?

Which statement regarding water reabsorption is NOT true?

The plasma clearance of the harmless foreign compound ____________________ is equal to the GFR.

The three major processes involved in urine formation are filtration,reabsorption,and excretion.

Each tuft of glomerular capillaries is held together by ____________________ cells.

Match the renal structure or activity with the correct characteristic by using the answer code: -afferent arteriole

What does NOT play a role in Na⁺ reabsorption?

The glomerular filtrate contains only substances that are not needed by the body.

What does the process of preventing micturition in spite of initiation of the reflex NOT involve?

Match the urinary system feature with the correct characteristic by using the answer code: -a detoxified ammonia compound

A pure loss or gain of H₂O that is not accompanied by comparable solute deficit or excess in the body leads to changes in ECF osmolarity.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

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Exam 12: The Urinary System

The smooth muscle of the bladder is innervated by parasympathetic fibres.

The group of cells located where the distal tubule comes into contact with the afferent and efferent arterioles of the same nephron is known as the juxtaglomerular apparatus.

Match the urinary system feature with the correct characteristic by using the answer code: -a nitrogen waste product from RNA metabolism

Which is the functional unit of the kidney?

Which statement regarding aldosterone is NOT true?

Given the following data for substance X (GFR = 125 mL/min,Tm = 125 mg/min,at a plasma concentration of 200 mg/100 mL),how much of substance X is filtered,reabsorbed,and excreted?

The permeability and transport properties of the loops of Henle of juxtamedullary nephrons are important in establishing the vertical osmotic gradient in the renal medulla.

Indicate which substance in the top column undergoes the process in the lower column by using the answer code: -filtered but not reabsorbed or secreted

Vasopressin increases H₂O reabsorption in the proximal tubule.

What is NOT reabsorbed by the proximal convoluted tubule?

Which statement regarding water reabsorption is NOT true?

The plasma clearance of the harmless foreign compound ____________________ is equal to the GFR.

The three major processes involved in urine formation are filtration,reabsorption,and excretion.

Each tuft of glomerular capillaries is held together by ____________________ cells.

Match the renal structure or activity with the correct characteristic by using the answer code: -afferent arteriole

What does NOT play a role in Na⁺ reabsorption?

The glomerular filtrate contains only substances that are not needed by the body.

What does the process of preventing micturition in spite of initiation of the reflex NOT involve?

Match the urinary system feature with the correct characteristic by using the answer code: -a detoxified ammonia compound

A pure loss or gain of H₂O that is not accompanied by comparable solute deficit or excess in the body leads to changes in ECF osmolarity.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters