Which of the following is not a sign of traumatic asphyxia? Chest and Abdominal Trauma Which of the following is not a sign of traumatic asphyxia? a. Distended neck veins b. Coughed-up, frothy blood c. Head, neck and shoulders that appear dark blue d. Bloodshot and bulging eyes Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+