Question 1

ACE inhibitor drugs block the action of _____________.

Accepted Answer

angiotensi

Question 2

Match the substance with its process by writing the appropriate letter in the blank.
-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 3

Urea

Accepted Answer

A)  reabsorption occurs passively in the distal tubules 
B)  is only 50% reabsorbed in the proximal tubule. 
C)  is not normally found in the urine because it is completely reabsorbed 
D)  reabsorption is controlled by aldosterone 
E)  has a clearance value of 0 
A)  reabsorption occurs passively in the distal tubules 
B)  is only 50% reabsorbed in the proximal tubule. 
C)  is not normally found in the urine because it is completely reabsorbed 
D)  reabsorption is controlled by aldosterone 
E)  has a clearance value of 0

Question 4

Match the correct statement about sodium reabsorption.
-Is important in the regulation of ECF volume.

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 5

Atrial natriuretic peptide

Accepted Answer

A)  is secreted by the heart when atrial pressure is high. 
B)  results in an increased glomerular filtration rate. 
C)  inhibits aldosterone activity. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  is secreted by the heart when atrial pressure is high. 
B)  results in an increased glomerular filtration rate. 
C)  inhibits aldosterone activity. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 6

Select the incorrect statement about ADH.

Accepted Answer

A)  It is also called vasopressin. 
B)  It is not secreted if the body consumes large amounts of water. 
C)  It is produced by the distal convoluted tubule. 
D)  It is secreted if the body fluids become hypertonic. 
E)  It stimulates reabsorption of water. 
A)  It is also called vasopressin. 
B)  It is not secreted if the body consumes large amounts of water. 
C)  It is produced by the distal convoluted tubule. 
D)  It is secreted if the body fluids become hypertonic. 
E)  It stimulates reabsorption of water.

Question 7

The functional unit of the kidneys is the ____________________.

Accepted Answer

The answer of The functional unit of the kidneys is...

Question 8

Which of the following is not a step in transepithelial transport?

Accepted Answer

A)  movement of the substance through the cytosol of the tubular cell 
B)  movement of the substance across the glomerular capillary wall 
C)  movement of the substance across the luminal membrane of the tubular cell 
D)  movement of the substance through the interstitial fluid 
E)  movement of the substance across the basolateral membrane of the tubular cell 
A)  movement of the substance through the cytosol of the tubular cell 
B)  movement of the substance across the glomerular capillary wall 
C)  movement of the substance across the luminal membrane of the tubular cell 
D)  movement of the substance through the interstitial fluid 
E)  movement of the substance across the basolateral membrane of the tubular cell

Question 9

This vessel carries blood directly into the capillary beds of each nephron:

Accepted Answer

A)  afferent arteriole. 
B)  efferent arteriole. 
C)  glomerulus. 
D)  peritubular bed. 
E)  none of these answers. 
A)  afferent arteriole. 
B)  efferent arteriole. 
C)  glomerulus. 
D)  peritubular bed. 
E)  none of these answers.

Question 10

Match the nephron structure to the characteristics
-permeable to water, not salt

Accepted Answer

A) afferent arteriole 
B) glomerulus 
C) efferent arteriole 
D) Bowman's capsule 
E) proximal tubule
F)descending limb of loop of Henle
G)ascending limb of loop of Henle
H)distal tubule
I)collecting duct 
A) afferent arteriole 
B) glomerulus 
C) efferent arteriole 
D) Bowman's capsule 
E) proximal tubule
F)descending limb of loop of Henle
G)ascending limb of loop of Henle
H)distal tubule
I)collecting duct

Question 11

Which of the following statements concerning the process of glomerular filtration is correct?

Accepted Answer

A)  Bowman's capsule hydrostatic pressure opposes filtration. 
B)  the glomerular filtration rate is limited by a Tm. 
C)  all of the plasma that enters the glomerulus is filtered. 
D)  two of these answers. 
E)  all of these answers. 
A)  Bowman's capsule hydrostatic pressure opposes filtration. 
B)  the glomerular filtration rate is limited by a Tm. 
C)  all of the plasma that enters the glomerulus is filtered. 
D)  two of these answers. 
E)  all of these answers.

Question 12

The tubular fluid is ____ as it enters Bowman's capsule, ____ at the beginning of the loop of Henle, ____ at the tip of the loop, and ____ as it leaves the loop to enter the distal tubule.

Accepted Answer

A)  isotonic, hypertonic, hypertonic, isotonic 
B)  isotonic, isotonic, hypotonic, hypotonic 
C)  isotonic, isotonic, hypertonic, hypotonic 
D)  hypertonic, hypotonic, hypertonic, isotonic 
E)  none of these answers. 
A)  isotonic, hypertonic, hypertonic, isotonic 
B)  isotonic, isotonic, hypotonic, hypotonic 
C)  isotonic, isotonic, hypertonic, hypotonic 
D)  hypertonic, hypotonic, hypertonic, isotonic 
E)  none of these answers.

Question 13

Match the substance with its process by writing the appropriate letter in the blank.
-Not filtered.

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

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 15

Water reabsorption

Accepted Answer

A)  occurs passively by osmosis in the proximal tubule. 
B)  is under the control of vasopressin in the distal and collecting tubules. 
C)  occurs by active transport in the distal and collecting tubules. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  occurs passively by osmosis in the proximal tubule. 
B)  is under the control of vasopressin in the distal and collecting tubules. 
C)  occurs by active transport in the distal and collecting tubules. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 16

Typically, of the 125 ml of plasma filtered per minute, 124 ml/min are reabsorbed.

Accepted Answer

A) True 
 B)False

Question 17

The normal glucose concentration in the plasma is about____ mg per 100 ml.

Accepted Answer

A)  30 
B)  60 
C)  100 
D)  180 
E)  250 
A)  30 
B)  60 
C)  100 
D)  180 
E)  250

Question 18

Match renal structure or activity with correct characteristic.
-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) When dilated leads to an increase in GFR. 
E) Tuft of capillaries found in close approximation to the Bowman's capsule.
F)Function of the glomerulus.
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 glomerulus into peritubular capillaries.
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) When dilated leads to an increase in GFR. 
E) Tuft of capillaries found in close approximation to the Bowman's capsule.
F)Function of the glomerulus.
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 glomerulus into peritubular capillaries.
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 19

Plasma clearance is the

Accepted Answer

A)  time required to filter blood in the glomerulus. 
B)  amount of a substance appearing in the urine in one minute of time. 
C)  amount of a substance that is filtered in one minute of time. 
D)  amount of a substance secreted in one minute of time. 
E)  volume of plasma that is completely cleared of a substance by the kidneys in one minute of time. 
A)  time required to filter blood in the glomerulus. 
B)  amount of a substance appearing in the urine in one minute of time. 
C)  amount of a substance that is filtered in one minute of time. 
D)  amount of a substance secreted in one minute of time. 
E)  volume of plasma that is completely cleared of a substance by the kidneys in one minute of time.

Question 20

Which of the following is not attributable to atrial natriuretic peptide (ANP)?

Accepted Answer

A)  ANP is released from the cardiac atria when the ECF volume is reduced. 
B)  ANP inhibits Na+ reabsorption in the distal parts of the nephron. 
C)  ANP inhibits renin secretion by the kidneys. 
D)  ANP inhibits aldosterone secretion by the adrenal cortex. 
E)  ANP inhibits sympathetic nervous activity to the heart and blood vessels. 
A)  ANP is released from the cardiac atria when the ECF volume is reduced. 
B)  ANP inhibits Na+ reabsorption in the distal parts of the nephron. 
C)  ANP inhibits renin secretion by the kidneys. 
D)  ANP inhibits aldosterone secretion by the adrenal cortex. 
E)  ANP inhibits sympathetic nervous activity to the heart and blood vessels.

ACE inhibitor drugs block the action of _____________.

Match the substance with its process by writing the appropriate letter in the blank. -Filtered but not reabsorbed or secreted.

Urea

Match the correct statement about sodium reabsorption. -Is important in the regulation of ECF volume.

Atrial natriuretic peptide

Select the incorrect statement about ADH.

The functional unit of the kidneys is the ____________________.

Which of the following is not a step in transepithelial transport?

This vessel carries blood directly into the capillary beds of each nephron:

Match the nephron structure to the characteristics -permeable to water, not salt

Which of the following statements concerning the process of glomerular filtration is correct?

The tubular fluid is as it enters Bowman's capsule, at the beginning of the loop of Henle, at the tip of the loop, and as it leaves the loop to enter the distal tubule.

Match the substance with its process by writing the appropriate letter in the blank. -Not filtered.

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

Water reabsorption

Typically, of the 125 ml of plasma filtered per minute, 124 ml/min are reabsorbed.

The normal glucose concentration in the plasma is about____ mg per 100 ml.

Match renal structure or activity with correct characteristic. -peritubular capillary

Plasma clearance is the

Which of the following is not attributable to atrial natriuretic peptide (ANP)?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Exam 13: The Urinary System

ACE inhibitor drugs block the action of _____________.

Match the substance with its process by writing the appropriate letter in the blank. -Filtered but not reabsorbed or secreted.

Urea

Match the correct statement about sodium reabsorption. -Is important in the regulation of ECF volume.

Atrial natriuretic peptide

Select the incorrect statement about ADH.

The functional unit of the kidneys is the ____________________.

Which of the following is not a step in transepithelial transport?

This vessel carries blood directly into the capillary beds of each nephron:

Match the nephron structure to the characteristics -permeable to water, not salt

Which of the following statements concerning the process of glomerular filtration is correct?

The tubular fluid is ____ as it enters Bowman's capsule, ____ at the beginning of the loop of Henle, ____ at the tip of the loop, and ____ as it leaves the loop to enter the distal tubule.

Match the substance with its process by writing the appropriate letter in the blank. -Not filtered.

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

Water reabsorption

Typically, of the 125 ml of plasma filtered per minute, 124 ml/min are reabsorbed.

The normal glucose concentration in the plasma is about____ mg per 100 ml.

Match renal structure or activity with correct characteristic. -peritubular capillary

Plasma clearance is the

Which of the following is not attributable to atrial natriuretic peptide (ANP)?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

The tubular fluid is as it enters Bowman's capsule, at the beginning of the loop of Henle, at the tip of the loop, and as it leaves the loop to enter the distal tubule.