Question 1

The efferent arteriole delivers blood to the

Accepted Answer

A) peritubular capillaries 
B) vasa recta 
C) glomerulus 
D) juxtaglomerular apparatus 
A) peritubular capillaries 
B) vasa recta 
C) glomerulus 
D) juxtaglomerular apparatus A

Question 2

What type of cells form the third filtration barrier?

Accepted Answer

A) podocytes 
B) ciliated cuboidal epithelial cells 
C) capillary simple squamous epithelial cells 
D) glomerulocytes 
A) podocytes 
B) ciliated cuboidal epithelial cells 
C) capillary simple squamous epithelial cells 
D) glomerulocytes A

Question 3

Countercurrent multiplication occurs by the actions of the

Accepted Answer

A) vasa rectA. 
B) peritubular capillaries. 
C) loop of Henle. 
D) Both vasa recta and loop of Henle are correct. 
A) vasa rectA. 
B) peritubular capillaries. 
C) loop of Henle. 
D) Both vasa recta and loop of Henle are correct. D

Question 4

Due to the action of aldosterone,water is reabsorbed because

Accepted Answer

A) sodium is excreted in the urine. 
B) potassium is reabsorbed into peritubular blood. 
C) sodium is reabsorbed into peritubular blood. 
D) aldosterone opens aquapores. 
A) sodium is excreted in the urine. 
B) potassium is reabsorbed into peritubular blood. 
C) sodium is reabsorbed into peritubular blood. 
D) aldosterone opens aquapores.

Question 5

The _________________ is the saturation point of renal carrier molecules.

Accepted Answer

A) transport maximum 
B) GFR 
C) renal plasma clearance 
D) renal plasma threshold 
A) transport maximum 
B) GFR 
C) renal plasma clearance 
D) renal plasma threshold

Question 6

Depletion of extracellular K+ may induce

Accepted Answer

A) metabolic acidosis. 
B) metabolic alkalosis. 
C) hyperventilation. 
D) None of the choices are correct. 
A) metabolic acidosis. 
B) metabolic alkalosis. 
C) hyperventilation. 
D) None of the choices are correct.

Question 7

An increased GFR leads to an increase in urine production.

Accepted Answer

A) True 
 B)False

Question 8

Neuromuscular disorders and electrocardiographic abnormalities can result from

Accepted Answer

A) hypokalemiA. 
B) excessive use of loop diuretics. 
C) excessive use of thiazide diuretics. 
D) All of the choices are correct. 
A) hypokalemiA. 
B) excessive use of loop diuretics. 
C) excessive use of thiazide diuretics. 
D) All of the choices are correct.

Question 9

________ are composed of crystals and proteins that grow until they break loose and pass into the urine collection system.

Accepted Answer

A) Renal columns 
B) Renal calculi 
C) Renal calyces 
D) Renal pyramids 
A) Renal columns 
B) Renal calculi 
C) Renal calyces 
D) Renal pyramids

Question 10

The main function of the kidneys is the regulation of the intracellular fluid.

Accepted Answer

A) True 
 B)False

Question 11

As the tubular filtrate moves through the descending limb of the loop of Henle,the osmolality of the filtrate increases.

Accepted Answer

A) True 
 B)False

Question 12

Decreased glomerular filtration rate would

Accepted Answer

A) increase plasma protein clearance rate. 
B) increase plasma urea clearance rate. 
C) decrease plasma creatinine clearance rate. 
D) decrease plasma glucose clearance rate. 
A) increase plasma protein clearance rate. 
B) increase plasma urea clearance rate. 
C) decrease plasma creatinine clearance rate. 
D) decrease plasma glucose clearance rate.

Question 13

Inhibition of the functions of the descending limb of the loop of Henle would stimulate

Accepted Answer

A) decreased water reabsorption. 
B) increased Na+ reasbsorption. 
C) decreased Na+ reabsorption. 
D) increased water reabsorption. 
A) decreased water reabsorption. 
B) increased Na+ reasbsorption. 
C) decreased Na+ reabsorption. 
D) increased water reabsorption.

Question 14

Water permeability in the collecting duct is varied by altering the number of aquaporins present.

Accepted Answer

A) True 
 B)False

Question 15

What is the net filtration pressure of the glomerular capillaries?

Accepted Answer

A) 10 mm Hg inward 
B) 15 mm Hg outward 
C) 15 mm Hg inward 
D) 10 mm Hg outward 
A) 10 mm Hg inward 
B) 15 mm Hg outward 
C) 15 mm Hg inward 
D) 10 mm Hg outward

Question 16

Spironolactone

Accepted Answer

A) inhibits the actions of aldosterone. 
B) blocks bicarbonate reabsorption. 
C) stimulates hypertension. 
D) activates Na+/K+ pumps. 
A) inhibits the actions of aldosterone. 
B) blocks bicarbonate reabsorption. 
C) stimulates hypertension. 
D) activates Na+/K+ pumps.

Question 17

The concentration of glucose in the glomerular ultrafiltrate is less than that of plasma.

Accepted Answer

A) True 
 B)False

Question 18

The kidneys can directly reabsorb bicarbonate.

Accepted Answer

A) True 
 B)False

Question 19

The renal plasma clearance of a substance that is filtered but not reabsorbed or secreted is ___ the GFR.

Accepted Answer

A) greater than 
B) less than 
C) equal to 
A) greater than 
B) less than 
C) equal to

Question 20

The majority of reabsorption occurs in the

Accepted Answer

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

The efferent arteriole delivers blood to the

What type of cells form the third filtration barrier?

Countercurrent multiplication occurs by the actions of the

Due to the action of aldosterone,water is reabsorbed because

The _________________ is the saturation point of renal carrier molecules.

Depletion of extracellular K⁺ may induce

An increased GFR leads to an increase in urine production.

Neuromuscular disorders and electrocardiographic abnormalities can result from

________ are composed of crystals and proteins that grow until they break loose and pass into the urine collection system.

The main function of the kidneys is the regulation of the intracellular fluid.

As the tubular filtrate moves through the descending limb of the loop of Henle,the osmolality of the filtrate increases.

Decreased glomerular filtration rate would

Inhibition of the functions of the descending limb of the loop of Henle would stimulate

Water permeability in the collecting duct is varied by altering the number of aquaporins present.

What is the net filtration pressure of the glomerular capillaries?

Spironolactone

The concentration of glucose in the glomerular ultrafiltrate is less than that of plasma.

The kidneys can directly reabsorb bicarbonate.

The renal plasma clearance of a substance that is filtered but not reabsorbed or secreted is ___ the GFR.

The majority of reabsorption occurs in the

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

The Digestive System

Regulation and Metabolism

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Filters

Exam 17: Physiology of the Kidneys

The efferent arteriole delivers blood to the

What type of cells form the third filtration barrier?

Countercurrent multiplication occurs by the actions of the

Due to the action of aldosterone,water is reabsorbed because

The _________________ is the saturation point of renal carrier molecules.

Depletion of extracellular K+ may induce

An increased GFR leads to an increase in urine production.

Neuromuscular disorders and electrocardiographic abnormalities can result from

________ are composed of crystals and proteins that grow until they break loose and pass into the urine collection system.

The main function of the kidneys is the regulation of the intracellular fluid.

As the tubular filtrate moves through the descending limb of the loop of Henle,the osmolality of the filtrate increases.

Decreased glomerular filtration rate would

Inhibition of the functions of the descending limb of the loop of Henle would stimulate

Water permeability in the collecting duct is varied by altering the number of aquaporins present.

What is the net filtration pressure of the glomerular capillaries?

Spironolactone

The concentration of glucose in the glomerular ultrafiltrate is less than that of plasma.

The kidneys can directly reabsorb bicarbonate.

The renal plasma clearance of a substance that is filtered but not reabsorbed or secreted is ___ the GFR.

The majority of reabsorption occurs in the

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Depletion of extracellular K⁺ may induce