Question

In what way are aldosterone and atrial natriuretic hormones antagonists?

Answer 1

Explanation:

Aldosterone is steroidal hormone which is produced by outer-section of adrenal cortex in adrenal gland. It acts on distal tubules and the collecting ducts of kidney to cause conservation of the sodium by facilitating the secretion of the potassium and increased water retention.

Atrial natriuretic hormones are natriuretic peptide hormone which are secreted from cardiac atria. Main function of the hormone is causing reduction in the volume of the expanded extracellular fluid by increasing the renal sodium excretion.

Thus, Atrial natriuretic hormones causes sodium and the Water loss while Aldosterone helps in the conservation of the sodium and water retention.