Plasma sodium levels are high in a patient, but his plasma potassium levels are low.As an underlying cause of this condition, you might expect to find
A)decreased aldosterone levels
B)decreased parathyroid hormone levels
C)increased aldosterone levels
D)increased parathyroid hormone levels
E)decreased insulin levels

Question

Quizplus · Accepted Answer

High plasma sodium levels and low plasma potassium levels are characteristic of hyperaldosteronism, which is usually caused by increased aldosterone levels. Aldosterone promotes sodium reabsorption and potassium excretion in the kidneys, leading to these electrolyte imbalances.

Plasma Sodium Levels Are High in a Patient, but His