Question 1

____________________ percent of the renal tissue can adequately perform all excretory and regulatory functions of the kidney.

Accepted Answer

The answer of ____________________ percent of the renal tissue can...

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

What is the renal process whereby substances are selectively transferred from the peritubular blood into the renal tubule?

Accepted Answer

A) filtration 
B) secretion 
C)  reabsorption 
D)  excretion 
A) filtration 
B) secretion 
C)  reabsorption 
D)  excretion

Question 4

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

Question 5

Which of these statements does NOT correctly describe urea?

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 6

____________________ are water channels in the tubular cells of the nephron.

Accepted Answer

The answer of ____________________ are water channels in the tubular...

Question 7

Match the effects, labelled a. through c., with the statements. (Options may be used more than once or not at all.)
a.increases
b.decreases
c.has no effect on
-Decreased Na+ in body fluids (Na+ depletion) __________ renin secretion.

Accepted Answer

Question 8

The epithelial lining of the bladder passively stretches to accommodate a larger volume during bladder filling.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following factors is NOT involved in the process of preventing micturition in spite of initiation of the reflex?

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 10

Match the substances, labelled a. through f., with the processes listed.
a.KS1U1P1+S1S1P0
b.glucose
c.inulin
d.plasma protein
e.urea
f.HS1U1P1+S1S1P0
-filtered and passively reabsorbed

Accepted Answer

The answer of Match the substances, labelled a. through f.,...

Question 11

Match the urinary system features, labelled a. through e., with the correct characteristics.
a.urea
b.creatinine
c.uric acid
d.NaS1U1P1+S1S1P0
e.glucose
-protein metabolite of skeletal muscle tissue

Accepted Answer

The answer of Match the urinary system features, labelled a....

Question 12

Which nephron structure is especially important in the kidney's ability to produce urine of varying concentration?

Accepted Answer

A) Bowman's capsule 
B) proximal tubule 
C)  distal tubule 
D)  loop of Henle 
A) Bowman's capsule 
B) proximal tubule 
C)  distal tubule 
D)  loop of Henle

Question 13

The two regions of the kidney are an outer ____________________ and an inner ____________________.

Accepted Answer

The answer of The two regions of the kidney are...

Question 14

Match the chemicals, .labelled a. through f., with their correct characteristics. (Options may be used more than once or not at all.)
a.renin
b.angiotensinogen
c.angiotensin I
d.angiotensin II
e.aldosterone
f.atrial natriuretic peptide
-produced by the liver

Accepted Answer

The answer of Match the chemicals, .labelled a. through f.,...

Question 15

Match the substances, labelled a. through f., with the processes listed.
a.KS1U1P1+S1S1P0
b.glucose
c.inulin
d.plasma protein
e.urea
f.HS1U1P1+S1S1P0
-filtered and actively reabsorbed but not secreted

Accepted Answer

The answer of Match the substances, labelled a. through f.,...

Question 16

Which of these statements does NOT correctly describe sodium reabsorption?

Accepted Answer

A) It plays a role in glucose, amino acid, and urea reabsorption in the proximal tubule. 
B) It is under hormonal control in the distal tubule. 
C)  In the loop of Henle, it contributes to the formation of concentrated urine. 
D)  Approximately 0.5 percent of sodium is reabsorbed on a daily basis. 
A) It plays a role in glucose, amino acid, and urea reabsorption in the proximal tubule. 
B) It is under hormonal control in the distal tubule. 
C)  In the loop of Henle, it contributes to the formation of concentrated urine. 
D)  Approximately 0.5 percent of sodium is reabsorbed on a daily basis.

Question 17

Transepithelial transport occurs only for substances that are actively reabsorbed.

Accepted Answer

A) True 
 B)False

Question 18

Which of these statements does NOT correctly describe aldosterone?

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. 
D)  It is secreted by the adrenal cortex. 
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. 
D)  It is secreted by the adrenal cortex.

Question 19

Which statement does NOT correctly describe 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. 
D)  It is highly selective and variable. 
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. 
D)  It is highly selective and variable.

Question 20

Which of the following does NOT stimulate aldosterone secretion?

Accepted Answer

A) an increase in plasma K+ 
B) a decrease in plasma K+ 
C)  activation of the renin-angiotensin pathway 
D)  low plasma sodium level 
A) an increase in plasma K+ 
B) a decrease in plasma K+ 
C)  activation of the renin-angiotensin pathway 
D)  low plasma sodium level

____________________ percent of the renal tissue can adequately perform all excretory and regulatory functions of the kidney.

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

What is the renal process whereby substances are selectively transferred from the peritubular blood into the renal tubule?

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.

Which of these statements does NOT correctly describe urea?

____________________ are water channels in the tubular cells of the nephron.

Match the effects, labelled a. through c., with the statements. (Options may be used more than once or not at all.) a.increases b.decreases c.has no effect on -Decreased Na⁺ in body fluids (Na⁺ depletion) __________ renin secretion.

The epithelial lining of the bladder passively stretches to accommodate a larger volume during bladder filling.

Which of the following factors is NOT involved in the process of preventing micturition in spite of initiation of the reflex?

Match the substances, labelled a. through f., with the processes listed. a.K⁺ b.glucose c.inulin d.plasma protein e.urea f.H⁺ -filtered and passively reabsorbed

Match the urinary system features, labelled a. through e., with the correct characteristics. a.urea b.creatinine c.uric acid d.Na⁺ e.glucose -protein metabolite of skeletal muscle tissue

Which nephron structure is especially important in the kidney's ability to produce urine of varying concentration?

The two regions of the kidney are an outer and an inner .

Match the chemicals, .labelled a. through f., with their correct characteristics. (Options may be used more than once or not at all.) a.renin b.angiotensinogen c.angiotensin I d.angiotensin II e.aldosterone f.atrial natriuretic peptide -produced by the liver

Match the substances, labelled a. through f., with the processes listed. a.K⁺ b.glucose c.inulin d.plasma protein e.urea f.H⁺ -filtered and actively reabsorbed but not secreted

Which of these statements does NOT correctly describe sodium reabsorption?

Transepithelial transport occurs only for substances that are actively reabsorbed.

Which of these statements does NOT correctly describe aldosterone?

Which statement does NOT correctly describe tubular reabsorption?

Which of the following does NOT stimulate aldosterone secretion?

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; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

Exam 12: Body Defenses

____________________ percent of the renal tissue can adequately perform all excretory and regulatory functions of the kidney.

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

What is the renal process whereby substances are selectively transferred from the peritubular blood into the renal tubule?

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.

Which of these statements does NOT correctly describe urea?

____________________ are water channels in the tubular cells of the nephron.

Match the effects, labelled a. through c., with the statements. (Options may be used more than once or not at all.) a.increases b.decreases c.has no effect on -Decreased Na+ in body fluids (Na+ depletion) __________ renin secretion.

The epithelial lining of the bladder passively stretches to accommodate a larger volume during bladder filling.

Which of the following factors is NOT involved in the process of preventing micturition in spite of initiation of the reflex?

Match the substances, labelled a. through f., with the processes listed. a.K+ b.glucose c.inulin d.plasma protein e.urea f.H+ -filtered and passively reabsorbed

Match the urinary system features, labelled a. through e., with the correct characteristics. a.urea b.creatinine c.uric acid d.Na+ e.glucose -protein metabolite of skeletal muscle tissue

Which nephron structure is especially important in the kidney's ability to produce urine of varying concentration?

The two regions of the kidney are an outer ____________________ and an inner ____________________.

Match the chemicals, .labelled a. through f., with their correct characteristics. (Options may be used more than once or not at all.) a.renin b.angiotensinogen c.angiotensin I d.angiotensin II e.aldosterone f.atrial natriuretic peptide -produced by the liver

Match the substances, labelled a. through f., with the processes listed. a.K+ b.glucose c.inulin d.plasma protein e.urea f.H+ -filtered and actively reabsorbed but not secreted

Which of these statements does NOT correctly describe sodium reabsorption?

Transepithelial transport occurs only for substances that are actively reabsorbed.

Which of these statements does NOT correctly describe aldosterone?

Which statement does NOT correctly describe tubular reabsorption?

Which of the following does NOT stimulate aldosterone secretion?

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; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

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.

Match the effects, labelled a. through c., with the statements. (Options may be used more than once or not at all.) a.increases b.decreases c.has no effect on -Decreased Na⁺ in body fluids (Na⁺ depletion) __________ renin secretion.

Match the substances, labelled a. through f., with the processes listed. a.K⁺ b.glucose c.inulin d.plasma protein e.urea f.H⁺ -filtered and passively reabsorbed

Match the urinary system features, labelled a. through e., with the correct characteristics. a.urea b.creatinine c.uric acid d.Na⁺ e.glucose -protein metabolite of skeletal muscle tissue

The two regions of the kidney are an outer and an inner .

Match the substances, labelled a. through f., with the processes listed. a.K⁺ b.glucose c.inulin d.plasma protein e.urea f.H⁺ -filtered and actively reabsorbed but not secreted