Question 1

Water reabsorption

Accepted Answer

A) is under vasopressin control in the proximal tubule 
B) occurs to the greatest extent in the proximal tubule 
C) is under vasopressin control in the distal and collecting tubules 
D) is both a and b 
E) is both b and c 
A) is under vasopressin control in the proximal tubule 
B) occurs to the greatest extent in the proximal tubule 
C) is under vasopressin control in the distal and collecting tubules 
D) is both a and b 
E) is both b and c E

Question 2

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 secreted by the distal 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 secreted by the distal tubule. 
D) It is secreted if the body fluids become hypertonic. 
E) It stimulates reabsorption of water. C

Question 3

Which of the following is not associated with juxtamedullary nephrons?

Accepted Answer

A) Glomeruli located in medulla 
B) Long loops of Henle 
C) Peritubular capillaries forming vasa recta 
D) Collecting duct in medulla 
E) Important role in the ability of the kidneys to produce urine of varying concentration 
A) Glomeruli located in medulla 
B) Long loops of Henle 
C) Peritubular capillaries forming vasa recta 
D) Collecting duct in medulla 
E) Important role in the ability of the kidneys to produce urine of varying concentration A

Question 4

The secretion of vasopressin increases if the extracellular fluid becomes hypertonic.

Accepted Answer

A) True 
 B)False

Question 5

By tubular secretion, substances leave the blood and enter the tubular portion of the nephron.

Accepted Answer

A) True 
 B)False

Question 6

____________________% of the filtered H₂O is variably reabsorbed under the control of the hormone ____________________ in the distal and collecting tubules.

Accepted Answer

The answer of ____________________% of the filtered H₂O is variably...

Question 7

Which of the following is not a function of the kidneys?

Accepted Answer

A) Excreting metabolic wastes 
B) Maintaining proper plasma volume 
C) Secreting aldosterone to regulate sodium 
D) Maintaining proper osmolarity of body fluids 
E) Assisting in maintaining the proper acid-base balance of the body 
A) Excreting metabolic wastes 
B) Maintaining proper plasma volume 
C) Secreting aldosterone to regulate sodium 
D) Maintaining proper osmolarity of body fluids 
E) Assisting in maintaining the proper acid-base balance of the body

Question 8

The presence of large perforated holes, called ___________, within glomerular endothelial cells allows the glomerulus to more easily filter the blood.

Accepted Answer

The answer of The presence of large perforated holes, called...

Question 9

The plasma concentration of a particular substance at which its Tm is reached and the substance first starts appearing in the urine is known as the ____________________.

Accepted Answer

The answer of The plasma concentration of a particular substance...

Question 10

Describe micturition in an adult and baby.Include the following in your answer: parasympathetic neurons, external urethral sphincter, and internal urethral sphincter.

Accepted Answer

When the bladder begins to fill with uri

Question 11

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 12

The glomerular filtration rate is

Accepted Answer

A) about 115-125 ml/min 
B) about 70-75 liters/day 
C) 60 to 65 percent of the cardiac output 
D) less than the rate of renal reabsorption 
E) all of the above 
A) about 115-125 ml/min 
B) about 70-75 liters/day 
C) 60 to 65 percent of the cardiac output 
D) less than the rate of renal reabsorption 
E) all of the above

Question 13

The clearance rate for inulin is greater than the GFR.

Accepted Answer

A) True 
 B)False

Question 14

Indicate whether the portion of the tubule in question is permeable or impermeable to the substance in question using the following answer code.
a.permeable
b.impermeable
c.permeable, permeable
d.permeable, impermeable
e.impermeable, impermeable
-The descending limb of the loop of Henle is ______ to H₂O.

Accepted Answer

The answer of Indicate whether the portion of the tubule...

Question 15

Acute renal failure may be reversible, whereas chronic renal failure is not reversible.

Accepted Answer

A) True 
 B)False

Question 16

The renal threshold is the

Accepted Answer

A) maximum amount of a particular substance that can be excreted in the urine per unit of time 
B) maximum amount of a particular substance that the tubular cells are capable of actively reabsorbing per unit of time 
C) plasma concentration of a particular substance at which its Tm is reached and the substance first appears in the urine 
D) maximum amount of waste products that can be concentrated in the urine per unit of time 
E) maximum amount of water that can be osmotically absorbed across the tubules per unit of time 
A) maximum amount of a particular substance that can be excreted in the urine per unit of time 
B) maximum amount of a particular substance that the tubular cells are capable of actively reabsorbing per unit of time 
C) plasma concentration of a particular substance at which its Tm is reached and the substance first appears in the urine 
D) maximum amount of waste products that can be concentrated in the urine per unit of time 
E) maximum amount of water that can be osmotically absorbed across the tubules per unit of time

Question 17

The Na⁺ cotransport system in the proximal tubule facilitates elimination of foreign organic compounds from the body.

Accepted Answer

A) True 
 B)False

Question 18

The renal threshold represents the maximum amount of a particular substance that the tubular cells are capable of actively reabsorbing per unit of time.

Accepted Answer

A) True 
 B)False

Question 19

The clearance rate for a substance that is filtered and secreted but not reabsorbed is greater than the GFR.

Accepted Answer

A) True 
 B)False

Question 20

Collecting duct:
Location ____________________
Function(s) ____________________

Accepted Answer

COLLECTING

Water reabsorption

Select the incorrect statement about ADH.

Which of the following is not associated with juxtamedullary nephrons?

The secretion of vasopressin increases if the extracellular fluid becomes hypertonic.

By tubular secretion, substances leave the blood and enter the tubular portion of the nephron.

% of the filtered H₂O is variably reabsorbed under the control of the hormone in the distal and collecting tubules.

Which of the following is not a function of the kidneys?

The presence of large perforated holes, called ___________, within glomerular endothelial cells allows the glomerulus to more easily filter the blood.

The plasma concentration of a particular substance at which its Tm is reached and the substance first starts appearing in the urine is known as the ____________________.

Describe micturition in an adult and baby.Include the following in your answer: parasympathetic neurons, external urethral sphincter, and internal urethral sphincter.

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 glomerular filtration rate is

The clearance rate for inulin is greater than the GFR.

Acute renal failure may be reversible, whereas chronic renal failure is not reversible.

The renal threshold is the

The Na⁺ cotransport system in the proximal tubule facilitates elimination of foreign organic compounds from the body.

The renal threshold represents the maximum amount of a particular substance that the tubular cells are capable of actively reabsorbing per unit of time.

The clearance rate for a substance that is filtered and secreted but not reabsorbed is greater than the GFR.

Collecting duct: Location Function(s)

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

Body Defenses

The Respiratory System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

Exam 14: The Urinary System

Water reabsorption

Select the incorrect statement about ADH.

Which of the following is not associated with juxtamedullary nephrons?

The secretion of vasopressin increases if the extracellular fluid becomes hypertonic.

By tubular secretion, substances leave the blood and enter the tubular portion of the nephron.

____________________% of the filtered H₂O is variably reabsorbed under the control of the hormone ____________________ in the distal and collecting tubules.

Which of the following is not a function of the kidneys?

The presence of large perforated holes, called ___________, within glomerular endothelial cells allows the glomerulus to more easily filter the blood.

The plasma concentration of a particular substance at which its Tm is reached and the substance first starts appearing in the urine is known as the ____________________.

Describe micturition in an adult and baby.Include the following in your answer: parasympathetic neurons, external urethral sphincter, and internal urethral sphincter.

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 glomerular filtration rate is

The clearance rate for inulin is greater than the GFR.

Acute renal failure may be reversible, whereas chronic renal failure is not reversible.

The renal threshold is the

The Na⁺ cotransport system in the proximal tubule facilitates elimination of foreign organic compounds from the body.

The renal threshold represents the maximum amount of a particular substance that the tubular cells are capable of actively reabsorbing per unit of time.

The clearance rate for a substance that is filtered and secreted but not reabsorbed is greater than the GFR.

Collecting duct: Location ____________________ Function(s) ____________________

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

Body Defenses

The Respiratory System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

% of the filtered H₂O is variably reabsorbed under the control of the hormone in the distal and collecting tubules.

Collecting duct: Location Function(s)