In a normally functioning heart, the first upward deflection following a QRS complex is the:
a. P wave.
b. Q wave.
c. baseline.
d. T wave.
Question 2
A history of prolonged unconsciousness, weakness, speech problems, and possible personality changes such as inappropriately rude behavior or agitation best explains:
A) anoxic brain injury. B) concussion.
C) cerebral contusion. D) diffuse axonal injury.
