Why should intense stretches be saved for the end of a workout? a. intense stretching takes too much time to include in a warm up. b. there is less risk for injury because muscles are more pliable when warm, such as at the end of a workout. c. stretching is never important before a workout. d. none of the above

Which of the following accounts for someone who has had regular herpesvirus-mediated cold sore or genital sore flare-ups? a) re-infection by a closely related herpesvirus of a different strainb) re-infection by the same herpesvirus strainc) copies of the herpesvirus genome permanently maintained in host nucleid) copies of the herpesvirus genome permanently maintained in host cell cytoplasm