The method of determining blood pressure by use of a blood pressure cuff and a stethoscope is called:

Auditory receptors (hair cells) respond to movement of fluid caused by:

a. Sound waves b. Head movements

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