Tubular secretion does not allow

1. Ionic balance of body fluids

2. Acid base balance of body fluids

3. Water amount in urine

4. Both B and C

Which of the following is not reabsorbed by PCT?

1. Glucose

2. Amino acid

3. 100% electrolytes

4. Water

Selective secretion of which of the following ions does not take place in PCT?

1. Hydrogen ions

2. Ammonia

3. Potassium ions

4. Chloride ions

Reabsorption is minimum of which of the following segments of tubule?

1. Ascending limb

2. PCT

3. DCT

4. Descending limb

The concentrated filtrate gets diluted due to

1. Passage of electrolytes to the medullary fluid

2. Passage of water to the inner side of tubules

3. Passage of both water and electrolytes to the inner side of tubule

4. Both A and B

Which of the following organisms have the capacity to concentrate urine?

1. Mammals

2. Fishes

3. Reptiles

4. Amphibians

Which of the following is not important for maintaining the increasing osmolarity in the medullary interstitium?

1. The proximity between Henle's loop and vasa recta

2. Counter current flow in two limbs of tubule

3. The differential permeability of different segments of nephron

4. Counter current flow in two limbs of Vasa recta

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

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

Urea will enter the

1. Thin segment of AL of LOH

2. Thick segment of AL of LOH

3. Descending Limb of LOH

4. All of these