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

Subtopic:  Concentration of Urine: II | Concentration of Urine |
 61%
From NCERT
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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%
From NCERT
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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

Subtopic:  Concentration of Urine: I | Concentration of Urine: II | Concentration of Urine |
 94%
From NCERT
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Kidneys is efficiently monitored and regulated by hormonal feedback mechanisms which does not involve
A. Hypothalamus
B. JGA
C. Heart
D. Liver

Subtopic:  Autoregulation of GFR |
 76%
From NCERT
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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

Subtopic:  Autoregulation of GFR |
 91%
From NCERT
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Hypothalamus is stimulated by osmoreceptors and make the neurohypophysis  to release

(1) ADH

(2) Vasopressin

(3) Both A or B

(4) Oxytocin

Subtopic:  Autoregulation of GFR |
 91%
From NCERT
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ADH facilitates water reabsoption and

(1) Prevent diuresis

(2) Promote diuresis

(3) Cause diuresis

(4) Both A and B

Subtopic:  Autoregulation of GFR |
 93%
From NCERT
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ADH has no effects over

(1) Latter parts of tubules

(2) Kidney

(3) Blood vessels

(4) Liver

Subtopic:  Autoregulation of GFR |
 88%
From NCERT
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ADH cannot cause

(1) Blood pressure increase

(2) Glomerular Blood Flow increase

(3) Increase in GFR

(4) Loosening of Glomerular capillary

Subtopic:  Autoregulation of GFR |
 90%
From NCERT
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The JG cells are activated by

(1) A fall in Glomerular blood flow

(2) A fall in Glomerular blood pressure

(3) A fall in GFR

(4) All of these

Subtopic:  Autoregulation of GFR |
 83%
From NCERT
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