An important non- respiratory function of lungs is_____________?
Correct answer: B. Sodium balance
- A. Anion balance
- B. Sodium balance
- C. Potassium balance
- D. Ca+2 balance
Explanation
Through pulmonary conversion of angiotensin I to angiotensin II, the lungs influence aldosterone secretion and therefore sodium and water balance. The other listed ions are not the principal balance regulated through this pulmonary endocrine function.
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