Praxis II Physical Education Exam Prep

Correct Response: B. High blood pressure is a fairly common negative adaptation of body systems to poor fitness levels related to the cardiovascular system. The specific causes of migraines (A) are not well understood, but poor fitness does not appear to be a significant factor in triggering the headaches. Susceptibility to infection (C) generally indicates a weakened immune system, and nerve degeneration (D) may be genetic or caused by environmental factors.