Physiology Intravenous infusion of 2.0 L of isotonic saline (0.9% NaCl) results in increased: A Intracellular fluid volume B Plasma aldosterone level C Plasma arginine vasopressin (AVP) concentration D Plasma atrial natriuretic peptide (ANP) concentration 💡 Explanation Intravenous infusion of 2.0 L of isotonic saline (0.9% NaCl) results in increased: ✓ Correct Answer: D. Plasma atrial natriuretic peptide (ANP) concentration