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 gradient is mainly caused by
1. NaCl
2. Urea
3. Both A and B
4. Ammonia
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
NaCl is returned to the interstitium by
1. Ascending portion of LOH
2. Ascending portion of vasa recta
3. Descending portion of LOH
4. Descending portion of vasa recta
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
How many times can human urine be concentrated in counter current mechanism?
1. Four times
2. Five times
3. Three times
4. Two times
Counter current mechanism helps in maintenance of
1. Concentration gradient in the medullary interstitium.
2. Concentration gradient in the cortical interstitium
3. Concentration gradient in the lumen of collecting duct
4. Concentration gradient in the lumen of DCT
Kidneys is efficiently monitored and regulated by hormonal feedback mechanisms which does not involve
A. Hypothalamus
B. JGA
C. Heart
D. Liver
Osmoreceptors in the body are not activated by
(1) Changes in blood volume
(2) Body Fluid volume
(3) Body Fluid ionic concentration
(4) Temperature of the body
Hypothalamus is stimulated by osmoreceptors and make the neurohypophysis to release
(1) ADH
(2) Vasopressin
(3) Both A or B
(4) Oxytocin