Which of the following does not favour the formation of large quantities of dilute urine?

Which of the following causes an increase in sodium reabsorption in distal convoluted tubule?

1. Increase in aldosterone levels

2. Increase in antidiuretic hormone levels

3. Decrease in aldosterone levels

4. Decrease in antidiuretic hormone levels

A fall in glomerular filtration rate (GFR) activates:
1.  Adrenal cortex to release aldosterone
2.  Adrenal medulla to release adrenaline
3.  Posterior pituitary to release vasopressin
4.  Juxta glomerular cells, to release renin

Angiotensinogen is a protein produced and secreted by:

1. macula densa cells

2. endothelial cells (cells lining the blood vessels)

3. liver cells

4. juxtaglomerular (JG) cells