Answer: Ambulatory monitoring of the electrocardiogram in 100 healthy 14 to 16 year old boys showed heart rates ranging from 45 to 200 beats/minute during the day and from 23 to 95 beats/minute during sleep.
The answer is letter C.
Progressive muscle relaxation should be performed before an intense exercise routine. This is known to cause relaxation and release the anxiety that an individual is feeling. It is a common practice done by athletes to help them block out external stimulus and help them focus in their games. Progressive relaxation contributes to the internal balance of individual helping him have an improved performance. Coaches should always include this pre-game so that their athletes are conditioned both in body and in mind.
OSHA (one part of a Personal Fall Arrest System) requires workers to wear a full-body harness, when they are working on a suspended scaffold more than 10 feet above the working surface, or when they are working in bucket truck or aerial lift.
OSHA should take steps to stop the imminent danger
