Question 1

Which statement regarding the proximal tubule is NOT true?

Accepted Answer

A)  It reabsorbs about 65 percent of the filtered water. 
B)  It is the site of action of renin. 
C)  It is the location where glucose is reabsorbed. 
A)  It reabsorbs about 65 percent of the filtered water. 
B)  It is the site of action of renin. 
C)  It is the location where glucose is reabsorbed.

Question 2

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all):
-represents 8 percent of Na⁺ reabsorbed

Accepted Answer

A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle 
A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle

Question 3

What is the specialized nephron capillary bed where filtration occurs?

Accepted Answer

A)  afferent arteriole 
B)  efferent arteriole 
C)  Glomerulus 
D)  peritubular bed 
A)  afferent arteriole 
B)  efferent arteriole 
C)  Glomerulus 
D)  peritubular bed

Question 4

The average rate of urine formation is 1 mL/min.

Accepted Answer

A) True 
 B)False

Question 5

Match the chemicals below with the correct characteristic by using the answer code (options may be used more than once or not at all):
-a potent constrictor of arterioles

Accepted Answer

A) renin 
B) angiotensinogen 
C) angiotensin I 
D) angiotensin II 
E) aldosterone
F)atrial natriuretic peptide 
A) renin 
B) angiotensinogen 
C) angiotensin I 
D) angiotensin II 
E) aldosterone
F)atrial natriuretic peptide

Question 6

Which statement is correct for renal excretion?

Accepted Answer

A)  It is the removal of substances that were filtered at the glomerulus or secreted but not reabsorbed. 
B)  It is the process by which a substance moves from the peritubular capillary blood to the tubular fluid. 
C)  It conserves substances that are important to the body. 
D)  It occurs by active transport of substances into the urinary bladder. 
A)  It is the removal of substances that were filtered at the glomerulus or secreted but not reabsorbed. 
B)  It is the process by which a substance moves from the peritubular capillary blood to the tubular fluid. 
C)  It conserves substances that are important to the body. 
D)  It occurs by active transport of substances into the urinary bladder.

Question 7

Match the renal structure or activity with the correct characteristic by using the answer code:
-peritubular capillary

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 8

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all):
-represents 67 percent of Na⁺ reabsorbed

Accepted Answer

A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle 
A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle

Question 9

Where does the greatest percentage of Na⁺ reabsorption takes place?

Accepted Answer

A)  proximal tubule 
B)  loop of Henle 
C)  distal tubule 
D)  collecting tubule 
A)  proximal tubule 
B)  loop of Henle 
C)  distal tubule 
D)  collecting tubule

Question 10

Which statement is correct concerning dehydration?

Accepted Answer

A)  Fluid lost during respiration is decreased in cold, dry environments like in Canada. 
B)  Peripheral constriction can lead to increased dieresis, which increases the rate of onset of dehydration. 
C)  Previous research on winter athletes has found that they never have problems with dehydration during intense outdoor exercise. 
D)  Dehydration will make the body's fluid concentration more hypotonic. 
A)  Fluid lost during respiration is decreased in cold, dry environments like in Canada. 
B)  Peripheral constriction can lead to increased dieresis, which increases the rate of onset of dehydration. 
C)  Previous research on winter athletes has found that they never have problems with dehydration during intense outdoor exercise. 
D)  Dehydration will make the body's fluid concentration more hypotonic.

Question 11

By reabsorption,substances leave the tubules of the nephrons and return to the blood in the ____________________.

Accepted Answer

peritubula

Question 12

Urine is eliminated from the bladder through the ____________________.

Accepted Answer

The answer of Urine is eliminated from the bladder through...

Question 13

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

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 14

If a substance is filtered and secreted but not reabsorbed,its plasma clearance rate is always less than the GFR.

Accepted Answer

A) True 
 B)False

Question 15

Which statement is NOT true concerning tubular reabsorption?

Accepted Answer

A)  It refers to the movement of a substance from the peritubular capillary blood into the tubular fluid. 
B)  It occurs by either active or passive transport. 
C)  It involves the process of transepithelial transport. 
A)  It refers to the movement of a substance from the peritubular capillary blood into the tubular fluid. 
B)  It occurs by either active or passive transport. 
C)  It involves the process of transepithelial transport.

Question 16

Autoregulation of the GFR is accomplished by activation of the sympathetic nervous system.

Accepted Answer

A) True 
 B)False

Question 17

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all):
-subject to hormonal control

Accepted Answer

A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle 
A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle

Question 18

Which of the following is true about vasopressin secretion?

Accepted Answer

A)  induces the kidneys to produce a small volume of concentrated urine. 
B)  is stimulated when the body fluids are hypertonic. 
C)  is inhibited when the arterial blood pressure is dangerously low. 
A)  induces the kidneys to produce a small volume of concentrated urine. 
B)  is stimulated when the body fluids are hypertonic. 
C)  is inhibited when the arterial blood pressure is dangerously low.

Question 19

Which statement regarding urea is NOT true?

Accepted Answer

A)  It is the waste product with the smallest molecular size in the glomerular filtrate. 
B)  It is in greater concentration at the end of the proximal tubule than in other body fluids. 
C)  It has a clearance rate greater than GFR. 
A)  It is the waste product with the smallest molecular size in the glomerular filtrate. 
B)  It is in greater concentration at the end of the proximal tubule than in other body fluids. 
C)  It has a clearance rate greater than GFR.

Question 20

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all):
-plays a pivotal role in the reabsorption of glucose,amino acids,H₂O,Cl-,and urea

Accepted Answer

A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle 
A) sodium reabsorption in the distal and collecting tubules 
B) sodium reabsorption in the proximal tubule 
C) sodium reabsorption coupled with chloride reabsorption in the loop of Henle

Which statement regarding the proximal tubule is NOT true?

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -represents 8 percent of Na⁺ reabsorbed

What is the specialized nephron capillary bed where filtration occurs?

The average rate of urine formation is 1 mL/min.

Match the chemicals below with the correct characteristic by using the answer code (options may be used more than once or not at all): -a potent constrictor of arterioles

Which statement is correct for renal excretion?

Match the renal structure or activity with the correct characteristic by using the answer code: -peritubular capillary

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -represents 67 percent of Na⁺ reabsorbed

Where does the greatest percentage of Na⁺ reabsorption takes place?

Which statement is correct concerning dehydration?

By reabsorption,substances leave the tubules of the nephrons and return to the blood in the ____________________.

Urine is eliminated from the bladder through the ____________________.

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

If a substance is filtered and secreted but not reabsorbed,its plasma clearance rate is always less than the GFR.

Which statement is NOT true concerning tubular reabsorption?

Autoregulation of the GFR is accomplished by activation of the sympathetic nervous system.

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -subject to hormonal control

Which of the following is true about vasopressin secretion?

Which statement regarding urea is NOT true?

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -plays a pivotal role in the reabsorption of glucose,amino acids,H₂O,Cl^-,and urea

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

Exam 12: The Urinary System

Which statement regarding the proximal tubule is NOT true?

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -represents 8 percent of Na⁺ reabsorbed

What is the specialized nephron capillary bed where filtration occurs?

The average rate of urine formation is 1 mL/min.

Match the chemicals below with the correct characteristic by using the answer code (options may be used more than once or not at all): -a potent constrictor of arterioles

Which statement is correct for renal excretion?

Match the renal structure or activity with the correct characteristic by using the answer code: -peritubular capillary

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -represents 67 percent of Na⁺ reabsorbed

Where does the greatest percentage of Na⁺ reabsorption takes place?

Which statement is correct concerning dehydration?

By reabsorption,substances leave the tubules of the nephrons and return to the blood in the ____________________.

Urine is eliminated from the bladder through the ____________________.

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

If a substance is filtered and secreted but not reabsorbed,its plasma clearance rate is always less than the GFR.

Which statement is NOT true concerning tubular reabsorption?

Autoregulation of the GFR is accomplished by activation of the sympathetic nervous system.

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -subject to hormonal control

Which of the following is true about vasopressin secretion?

Which statement regarding urea is NOT true?

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -plays a pivotal role in the reabsorption of glucose,amino acids,H₂O,Cl-,and urea

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

Match the correct statement about sodium reabsorption by using the answer code (options may be used more than once or not at all): -plays a pivotal role in the reabsorption of glucose,amino acids,H₂O,Cl^-,and urea