Pneumothorax -
High-Yield Explanation
Ans. is 'a' i.e., Trachea shifted to opposite side Clinical distinguishing features on clinical examination Tracheal deviation (Mediastinal shift)Chest expansionPercussion note | Duller| Hyper-resonantBreath sounds| Louder| SofterAdded soundsVocal resonanceConsolidationNoNormal, or decreaseNormal, or decreaseIncrease (Brochial)Coarse crackles +/- rubIncreaseWhisperingPectoriloquyLobar collapseYes (Towards collapse)DecreaseDecreaseDecreaseNoDecreasePleural effusionNoDecreaseDecrease (Stony dull)DecreaseOccasional rubDecreasePneumothoraxYes (Specially with tensionNormal or decreaseIncreaseDecreaseOccattonal clickDecrease