Under conditions of volume depletion, activation of the renin–angiotensin–aldosterone system (RAAS) will have which effect on the nephron?
Show answer and explanation
Correct answer: Reabsorb more sodium and water; excrete potassium
RAAS activation leads to aldosterone release, which increases sodium (and water) reabsorption and enhances potassium excretion — restoring fluid volume at the cost of increased K⁺ loss.
Practice all 20 Renal Filtration and Electrolyte Balance questions
Keep practicing
More Renal Filtration and Electrolyte Balance questions
- Which function is NOT primarily a role of the kidneys in renal physiology and electrolyte balance?
- Which statement best describes the importance of hormonal control (e.g., ADH, aldosterone) over simple filtration in maintaining long-term…
- Which of the following correctly explains how the kidney conserves potassium when dietary potassium is low?
- Which of the following best describes what is filtered at the glomerulus during normal glomerular filtration?
- Which parameter is defined as the volume of plasma filtered into Bowman's capsule per minute and is widely used to assess kidney function?
- What is the approximate normal value of filtration fraction (FF) in a healthy adult?