____ headaches are generally more severe and intense than other types and are more often experienced by men. 

Temporary drops in the fetal heart rate during uterine contractions are known as:

a. fetal stress. b. decelerations. c. primary apnea. d. secondary bradycardia.

Which type of shoe should be the most flexible at the ball of the foot and have a large heel flare?

A. Aerobic shoes B. Running shoes C. Basketball shoes D. Tennis shoes