Aerobic exercise is best described as exercise that:
a. feels good and has a calming effect that occurs within 30 seconds.
b. triggers a fight or flight response within one minute.
c. is conducted with a group of people to rhythmic music.
d. triggers a substantial elevation in heart rate for at least 30 minutes.
Answer: D
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Which of the following statements is true regarding fine motor skills?
A fully developed hippocampus is necessary for final maturation of fine motor skills. Fine motor skills mature about 6 months earlier in girls than in boys. Lack of fine motor skill development leads to coordination problems. Delayed development of fine motor skills is sometimes an indicator of a learning disorder.
In proactive interference, old memories act to
a. cause us to forget other old memories. b. distort our sensory memory. c. add additional information to permanent external memory. d. reverse the order of items in LTM. e. block our ability to learn new information.