Which of the following is true about Pneumothorax?: (A) Decreased Chest Expansion, (B) Increased Breath Sounds, (C) Increased Vocal Resonance, (D) Dull percussion note
Answer is A. Answer is A (Decreased Chest Expansion): Chest Expansion may be Normal or Decreased in Pneumothorax. Pneumothorax is associated with reduced breath sounds, reduced vocal resonance, hyper-resonant percussion note and tracheal detion/mediastinal shift to opposite side.