Question 1

Which of these statements does NOT refer to angiotensin I

Accepted Answer

A) It is formed as a result of activation of angiotensinogen by renin. 
B) It is transformed into angiotensin II as a result of converting enzyme action in the lungs. 
C) It acts on the adrenal cortex to stimulate aldosterone secretion. 
A) It is formed as a result of activation of angiotensinogen by renin. 
B) It is transformed into angiotensin II as a result of converting enzyme action in the lungs. 
C) It acts on the adrenal cortex to stimulate aldosterone secretion.

Question 2

Each tuft of glomerular capillaries is held together by ____________________ cells.

Accepted Answer

The answer of Each tuft of glomerular capillaries is held...

Question 3

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 4

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 5

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

Accepted Answer

A) True 
 B)False

Question 6

The three major processes involved in urine formation are filtration, reabsorption, and excretion.

Accepted Answer

A) True 
 B)False

Question 7

The tubular cells display a Tm for urea.

Accepted Answer

A) True 
 B)False

Question 8

Match the correct statements about sodium reabsorption, labelled a. through c., with the characteristics. (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

Indicate whether the factors in question would ultimately lead to an increase (a.) or a decrease (b.) in Na⁺ reabsorption by means of the renin-angiotensin-aldosterone mechanism. (Options may be used more than once or not at all.)
-a reduction in total Na⁺ load in the body

Accepted Answer

A) an increase in Na⁺ reabsorption 
B) a decrease in Na⁺ reabsorption 
A) an increase in Na⁺ reabsorption 
B) a decrease in Na⁺ reabsorption

Question 10

Match the renal structures or activities with the correct characteristics, labelled a. through p.
-glomerulus

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 11

Match the chemicals, .labelled a. through f., with their correct characteristics. (Options may be used more than once or not at all.)
-directly stimulates Na⁺ reabsorption by the distal and collecting tubules

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 12

Match the urinary system features, labelled a. through e., with the correct characteristics.
-protein metabolite of skeletal muscle tissue

Accepted Answer

A) urea 
B) creatinine 
C) uric acid 
D) Na+ 
E) glucose 
A) urea 
B) creatinine 
C) uric acid 
D) Na+ 
E) glucose

Question 13

What stimulates sodium reabsorption in the distal portions of the nephron

Accepted Answer

A) atrial natriuretic peptide 
B) vasopressin 
C) angiotensin II 
D) aldosterone 
A) atrial natriuretic peptide 
B) vasopressin 
C) angiotensin II 
D) aldosterone

Question 14

Plasma proteins are normally filtered in the nephron.

Accepted Answer

A) True 
 B)False

Question 15

Which of these statements does NOT 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 16

The presence of vasopressin acts to prevent the reabsorption of water from the distal and collecting tubules.

Accepted Answer

A) True 
 B)False

Which of these statements does NOT refer to angiotensin I

Each tuft of glomerular capillaries is held together by ____________________ cells.

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

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

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

The three major processes involved in urine formation are filtration, reabsorption, and excretion.

The tubular cells display a Tm for urea.

Match the correct statements about sodium reabsorption, labelled a. through c., with the characteristics. (Options may be used more than once or not at all.) -represents 67 percent of Na⁺ reabsorbed

Indicate whether the factors in question would ultimately lead to an increase (a.) or a decrease (b.) in Na⁺ reabsorption by means of the renin-angiotensin-aldosterone mechanism. (Options may be used more than once or not at all.) -a reduction in total Na⁺ load in the body

Match the renal structures or activities with the correct characteristics, labelled a. through p. -glomerulus

Match the chemicals, .labelled a. through f., with their correct characteristics. (Options may be used more than once or not at all.) -directly stimulates Na⁺ reabsorption by the distal and collecting tubules

Match the urinary system features, labelled a. through e., with the correct characteristics. -protein metabolite of skeletal muscle tissue

What stimulates sodium reabsorption in the distal portions of the nephron

Plasma proteins are normally filtered in the nephron.

Which of these statements does NOT describe urea

The presence of vasopressin acts to prevent the reabsorption of water from the distal and collecting tubules.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters

Exam 13: The Urinary System

Which of these statements does NOT refer to angiotensin I

Each tuft of glomerular capillaries is held together by ____________________ cells.

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

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

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

The three major processes involved in urine formation are filtration, reabsorption, and excretion.

The tubular cells display a Tm for urea.

Match the correct statements about sodium reabsorption, labelled a. through c., with the characteristics. (Options may be used more than once or not at all.) -represents 67 percent of Na⁺ reabsorbed

Indicate whether the factors in question would ultimately lead to an increase (a.) or a decrease (b.) in Na⁺ reabsorption by means of the renin-angiotensin-aldosterone mechanism. (Options may be used more than once or not at all.) -a reduction in total Na⁺ load in the body

Match the renal structures or activities with the correct characteristics, labelled a. through p. -glomerulus

Match the chemicals, .labelled a. through f., with their correct characteristics. (Options may be used more than once or not at all.) -directly stimulates Na⁺ reabsorption by the distal and collecting tubules

Match the urinary system features, labelled a. through e., with the correct characteristics. -protein metabolite of skeletal muscle tissue

What stimulates sodium reabsorption in the distal portions of the nephron

Plasma proteins are normally filtered in the nephron.

Which of these statements does NOT describe urea

The presence of vasopressin acts to prevent the reabsorption of water from the distal and collecting tubules.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters