Which of the following is not considered a formed element of human blood? 

A football player was struck in the head and is complaining of a headache and nausea. He also states that he has pain to his upper back and tingling in his left hand. The AEMT is providing proper care for the patient when he:

A) removes the shoulder pads to apply a cervical collar. B) leaves the helmet in place but removes the face mask. C) does not place the patient on a long board due to the presence of shoulder pads. D) removes the helmet to better assess the airway and head.

If the QRS in I and aVF are both negative, the axis is

A) normal. B) right axis deviation. C) left axis deviation. D) indeterminate axis.