What artery should be palpated during cardiopulmonary resuscitation (CPR) to determine the presence of a pulse?

Which one of the following is the cause of the chest pain or discomfort associated with a heart attack?

A) Backup of blood from the heart into the lungs B) Lack of oxygen to the cells of the heart muscle C) A spasm of the heart muscle D) Inflammation of the arteries of the heart muscle

You arrive on the scene of a motor vehicle collision and are presented with a patient complaining of chest pain after striking his chest on the steering wheel. On scene Emergency Medical Responders (EMRs) are maintaining cervical immobilization manually. He is alert and oriented and has a patent airway. His respirations are 24 with good chest rise and fall, and his skin is warm and dry. His heart

rate is 96 and SpO2 92% on room air. At this time you should: A) apply a cervical spine immobilization collar. B) provide supplemental oxygen. C) obtain a blood pressure and medical history. D) start positive pressure ventilation.