Mechanism of Concentration of the Filtrate
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339717 Select the incorrect statements about the loop of Henle.

1 It helps in the maintenance of high osmolarity in medullary interstitium.
2 Ascending limb is impermeable to water.
3 It allows the transport of electrolyte only actively.
4 Descending limb is permeable to water.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339718 Statement A :
Large amounts of urea enter the thin segment of the ascending limb of Henle's loop which is transported back to the interstitium by the collecting tubule.
Statement B :
Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339719 Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
Column I
Column II
A
Proximal convoluted
1
Formation of tubule concentrated urine
B
Distal convoluted
2
Filtration of blood tubule
C
Henle’s loop
3
Reabsorption of 70-80% of electrolytes
D
Counter current
4
Ionic balance mechanism
E
Renal corpuscle
5
Maintenance of concentration gradient in medulla

1 A – 3, B – 5, C – 4, D – 2, E – 1
2 A – 3, B – 4, C – 1, D – 5, E – 2
3 A – 1, B – 3, C – 2, D – 5, E – 4
4 A – 3, B – 1, C – 4, D – 5, E – 2
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339720 Statement A :
Collecting duct extends from cortex of the kidney to the inner parts of the ureter.
Statement B :
Large amounts of water could be reabsorbed from collecting duct to produce concentrated urine.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339721 Osmolarity in the cortex and inner medulla respectively are

1 \(300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
2 \(200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
3 \(1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
4 None of the above
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339717 Select the incorrect statements about the loop of Henle.

1 It helps in the maintenance of high osmolarity in medullary interstitium.
2 Ascending limb is impermeable to water.
3 It allows the transport of electrolyte only actively.
4 Descending limb is permeable to water.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339718 Statement A :
Large amounts of urea enter the thin segment of the ascending limb of Henle's loop which is transported back to the interstitium by the collecting tubule.
Statement B :
Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339719 Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
Column I
Column II
A
Proximal convoluted
1
Formation of tubule concentrated urine
B
Distal convoluted
2
Filtration of blood tubule
C
Henle’s loop
3
Reabsorption of 70-80% of electrolytes
D
Counter current
4
Ionic balance mechanism
E
Renal corpuscle
5
Maintenance of concentration gradient in medulla

1 A – 3, B – 5, C – 4, D – 2, E – 1
2 A – 3, B – 4, C – 1, D – 5, E – 2
3 A – 1, B – 3, C – 2, D – 5, E – 4
4 A – 3, B – 1, C – 4, D – 5, E – 2
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339720 Statement A :
Collecting duct extends from cortex of the kidney to the inner parts of the ureter.
Statement B :
Large amounts of water could be reabsorbed from collecting duct to produce concentrated urine.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339721 Osmolarity in the cortex and inner medulla respectively are

1 \(300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
2 \(200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
3 \(1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
4 None of the above
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BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339717 Select the incorrect statements about the loop of Henle.

1 It helps in the maintenance of high osmolarity in medullary interstitium.
2 Ascending limb is impermeable to water.
3 It allows the transport of electrolyte only actively.
4 Descending limb is permeable to water.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339718 Statement A :
Large amounts of urea enter the thin segment of the ascending limb of Henle's loop which is transported back to the interstitium by the collecting tubule.
Statement B :
Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339719 Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
Column I
Column II
A
Proximal convoluted
1
Formation of tubule concentrated urine
B
Distal convoluted
2
Filtration of blood tubule
C
Henle’s loop
3
Reabsorption of 70-80% of electrolytes
D
Counter current
4
Ionic balance mechanism
E
Renal corpuscle
5
Maintenance of concentration gradient in medulla

1 A – 3, B – 5, C – 4, D – 2, E – 1
2 A – 3, B – 4, C – 1, D – 5, E – 2
3 A – 1, B – 3, C – 2, D – 5, E – 4
4 A – 3, B – 1, C – 4, D – 5, E – 2
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339720 Statement A :
Collecting duct extends from cortex of the kidney to the inner parts of the ureter.
Statement B :
Large amounts of water could be reabsorbed from collecting duct to produce concentrated urine.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339721 Osmolarity in the cortex and inner medulla respectively are

1 \(300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
2 \(200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
3 \(1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
4 None of the above
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339717 Select the incorrect statements about the loop of Henle.

1 It helps in the maintenance of high osmolarity in medullary interstitium.
2 Ascending limb is impermeable to water.
3 It allows the transport of electrolyte only actively.
4 Descending limb is permeable to water.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339718 Statement A :
Large amounts of urea enter the thin segment of the ascending limb of Henle's loop which is transported back to the interstitium by the collecting tubule.
Statement B :
Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339719 Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
Column I
Column II
A
Proximal convoluted
1
Formation of tubule concentrated urine
B
Distal convoluted
2
Filtration of blood tubule
C
Henle’s loop
3
Reabsorption of 70-80% of electrolytes
D
Counter current
4
Ionic balance mechanism
E
Renal corpuscle
5
Maintenance of concentration gradient in medulla

1 A – 3, B – 5, C – 4, D – 2, E – 1
2 A – 3, B – 4, C – 1, D – 5, E – 2
3 A – 1, B – 3, C – 2, D – 5, E – 4
4 A – 3, B – 1, C – 4, D – 5, E – 2
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339720 Statement A :
Collecting duct extends from cortex of the kidney to the inner parts of the ureter.
Statement B :
Large amounts of water could be reabsorbed from collecting duct to produce concentrated urine.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339721 Osmolarity in the cortex and inner medulla respectively are

1 \(300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
2 \(200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
3 \(1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
4 None of the above
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339717 Select the incorrect statements about the loop of Henle.

1 It helps in the maintenance of high osmolarity in medullary interstitium.
2 Ascending limb is impermeable to water.
3 It allows the transport of electrolyte only actively.
4 Descending limb is permeable to water.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339718 Statement A :
Large amounts of urea enter the thin segment of the ascending limb of Henle's loop which is transported back to the interstitium by the collecting tubule.
Statement B :
Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339719 Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
Column I
Column II
A
Proximal convoluted
1
Formation of tubule concentrated urine
B
Distal convoluted
2
Filtration of blood tubule
C
Henle’s loop
3
Reabsorption of 70-80% of electrolytes
D
Counter current
4
Ionic balance mechanism
E
Renal corpuscle
5
Maintenance of concentration gradient in medulla

1 A – 3, B – 5, C – 4, D – 2, E – 1
2 A – 3, B – 4, C – 1, D – 5, E – 2
3 A – 1, B – 3, C – 2, D – 5, E – 4
4 A – 3, B – 1, C – 4, D – 5, E – 2
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339720 Statement A :
Collecting duct extends from cortex of the kidney to the inner parts of the ureter.
Statement B :
Large amounts of water could be reabsorbed from collecting duct to produce concentrated urine.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

339721 Osmolarity in the cortex and inner medulla respectively are

1 \(300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
2 \(200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 1300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
3 \(1200 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}, 300 \mathrm{~m} \mathrm{Osmol} \mathrm{L}^{-1}\)
4 None of the above