<prompt> A 44-year-old man with a stab wound was brought to the emergency depament and a physician found that the patient was suffering from a laceration of his right phrenic nerve. Which of the following conditions has likely occurred?Injury to only general somatic efferent fibersDifficulty in expirationLoss of sensation in the pericardium and mediastinal pleuraNormal function of the diaphragm  <response>: Loss of sensation in the pericardium and mediastinal pleura because Phrenic nerve supply sensory central pa of diaphragm, pain from pericardium, mediastinal and diaphragmatic pleurae and peritoneum in the undersurface of diaphragm. Difficulty in inspiration on injury to phrenic nerve. 