At the sta of inspiration, the intrapleural pressure at the base of the lungs is: (A) 1.5 mm of Hg, (B) 1 mm of Hg, (C) 2.5 mm of Hg, (D) 6 mm of Hg
Answer is C. At the sta of inspiration intrapleural pressure of the lung is 2.5 mm HG Ref: guyton and hall textbook of medical physiology 12 edition page number:316,317,318