What is the clinically safest available dilution of vasoconstrictor with lidocaine?

You have been called to a New Year's party for a male patient who was stabbed in the anterior chest. According to partygoers, the patient went outside with another male and was stabbed. Fifteen minutes later, he was found in the snow and 911 was called. When assessing this patient, which finding should the AEMT consider MOST serious and warrant immediate attention?

A) Decreased breath sounds to the left lung B) Capillary refill of three seconds C) Complaint of a worsening headache D) Pain and bruising to the left thigh

Patient hyper extended her right thumb during a Roller Derby event last night. Application of ice reduced swelling, loose bandages immobilized damaged ligament, but patient presented to the clinic because the throbbing pain radiated along the length of her forearm at an 8 out of 10-pain scale. The documentation supports an extended history of present illness:

Please read the following medical documentation and identify whether the stated history of present illness level is true or false.