The osmotic concentration of glomerular filtrate is the highest at the bottom of the U-shaped Henle’s loop. It is about ____________ mOsmL-1

1. 300
2. 600
3. 900
4. 1200

Subtopic:  Concentration of Urine |
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Kidney matrix retains some amount of urea to

 

1.Maintain a desired osmolarity

 

2.Maintain metabolism

 

3.Maintain balance of the body

 

4.Maintain micturition

Subtopic:  Concentration of Urine: II | Concentration of Urine |
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In the given diagram what would be the value of the osmolality of fluid at points A and B respectively?

1. 1000 and 1000
2. 1200 and 1000
3. 1000 and 1200
4. 1200 and 1200

Subtopic:  Concentration of Urine: I | Concentration of Urine |
 85%
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The NaCl which is transported by the ascending limb of Henle's loop which is exchanged with the…….

1. Ascending limb of vasa recta

2. Descending limb of vasa recta

3. Ascending limb of LOH

4. Descending limb of LOH

Subtopic:  Concentration of Urine: II | Concentration of Urine |
 87%
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How many times can human urine be concentrated in counter current mechanism?

1. Four times

2. Five times

3. Three times

4. Two times

Subtopic:  Concentration of Urine: II | Concentration of Urine |
 89%
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Which of the following is not a part of urine formation?

1. Glomerular Filtration

2. Reabsorption

3. Secretion

4. Counter current mechanism

Subtopic:  Concentration of Urine: II | Concentration of Urine |
 83%
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Which of the following organisms have the capacity to concentrate urine?

1. Mammals

2. Fishes

3. Reptiles

4. Amphibians

Subtopic:  Concentration of Urine: I | Concentration of Urine |
 87%
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Which of the following is the correct way of writing the unit of osmolarity?

1. Mosmo/L

2. mOsmol/L

3. MOsmo/L

4. mOSMol/L

Subtopic:  Concentration of Urine: II | Concentration of Urine |
 83%
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Choose the correct statement

1. ADH deficiency leads to diabetes mellitus

2. Kidneys produce urine more concentrated than initial filtrate

3. A healthy human produces 5L urine per day

4. Ascending limb of loop of Henle is permeable to water

Subtopic:  Concentration of Urine |
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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 tubule

(i)

Formation of concentrated urine

(B)

Distal convoluted tubule

(ii)

Filtration of blood

(C)

Henle’s loop

(iii)

Reabsorption of 70-80% of electrolytes

(D)

Counter-current mechanism

(iv)

Ionic balance

(E)

Renal corpuscle

(v)

Maintainance of a concentration gradient in the medulla


 

1. (A)-(iii); (B)-(v); (C)-(iii); (D)-(ii); (E)-(i)

2. (A)-(iii); (B)-(iv); (C)-(i);(D)-(v);(E)-(ii)

3. (A)-(i);(B)-(iii); (C)-(ii); (D)-(v);(E)-(iv)

4. (A)-(iii) ; (B)-(i) ; (C)-(iv) ; (D)-(v) ; (E)-(ii)

Subtopic:  Nephron Part 1 | Nephron Part 2 | Concentration of Urine: I | Concentration of Urine: II | Concentration of Urine |
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