Forty-Eight Hours After a Patient Sustained a Fractured Femur in a Car

Forty-eight hours after a patient sustained a fractured femur in a car accident,the nurse assessed a pulse of 110,respirations at 25,and labored crackles in both lung fields.The nurse immediately reports to the charge nurse the probability of a(n) :

A) impending pneumonia.
B) atelectasis.
C) fat embolism.
D) anxiety attack.