A pediatric patient presents to the emergency department following a car accident with difficulty breathing, increased respiratory rate, and retractions. He does not have a fever but does complain of chest pain. Which of the following is the most likely cause?

HIPAA, also known as Public Law 104-191 [H.R. 3103] took effect on _____.

A. January 25th, 1990 B. November 8th, 1998 C. July 15th, 1999 D. August 21st, 1996

Because the ____________ is the body's first line of defense, signs of anaphylaxis typically manifest there first.

A. skin B. airway C. respiratory system D. cardiovascular system