In which part of the nephron does the majority of water reabsorption occur, and under what primary hormonal influence?
Distal convoluted tubule; influenced by ADH
Collecting duct; influenced by ADH
Loop of Henle; influenced by aldosterone
Proximal convoluted tubule; influenced indirectly by aldosterone
Related Questions
Average pH of human urine is
6
9
3
7
The majority of reabsorption of water, glucose, and amino acids occurs in which part of the nephron?
Glomerulus
Proximal convoluted tubule (PCT)
Loop of Henle
Distal convoluted tubule (DCT)
The net pressure gradient that cause the fluid to filter out of the glomeruli in the capsule is
10 mmHg
50 mmHg
-10 mmHg
20 mmHg
Which combination of changes would MOST effectively increase the Glomerular Filtration Rate (GFR)?
Decreased glomerular capillary hydrostatic pressure and increased Bowman's capsule hydrostatic pressure
Increased glomerular capillary hydrostatic pressure and increased Bowman's capsule hydrostatic pressure
Decreased glomerular capillary hydrostatic pressure and decreased Bowman's capsule hydrostatic pressure
Increased glomerular capillary hydrostatic pressure and decreased Bowman's capsule hydrostatic pressure
The countercurrent multiplier system in the Loop of Henle is crucial for establishing the medullary osmotic gradient. Which of the following is NOT a key component or characteristic of this system?
Active transport of out of the thick ascending limb
Impermeability of the ascending limb to water
Countercurrent flow of tubular fluid
Active transport of water from the ascending limb to the interstitium
How many layers do filtration membrane consist of
1
2
3
4
A fall in the GFR rate activates the
JG cells to release renin
JG cells to release aldosterone
JG cells to release epinephrine
JG cells to release nor-epinephrine
Composition of urine :Β I. Water β¦A%,Β II. Urea β¦B%,Β III. Uric acid β¦C%,Β IV. Salt β¦D%.Β Choose the right options for A, B, C and D from given options
A-90; B-2.0; C-1; D-2
A-95; B-2.6; C-0.3; D-1.5
A-80; B-2.6; C-0.3; D-1.5
A-85; B-2.6; C-0.3; D-1.5
When does glomerular filtration occurs in Bowmanβs capsule?
When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -25 mm Hg
Β Β Β Β When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -35 mm Hg
When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is 10 mm Hg
When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -70 mm Hg
In 24 hours, total glomerular filtrate formed in the human kidney is
1.7 litres
7 litre
17 litres
180 litres
