What are the main purposes of a warm-up and a cool-down?
What would be an ideal response?
A warm-up gradually revs up your cardiovascular system by raising your body temperature and increasing blood flow to your muscles making you ready for aerobic load. Cool-down helps your heart rate and breathing to return towards resting levels gradually; helps avoid fainting or dizziness.
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A 72-year-old woman has fallen down some stairs. As you approach her, you note she is awake and has minor bleeding from her left leg. After assuring that the scene is safe, you should next:
A. check her airway. B. assure her breathing is adequate. C. apply direct pressure to the bleeding. D. assess her pulse and skin.
About 40% of the cell membrane is made up of
A) Triglycerides B) Phospholipids C) Trans fatty acids D) Cerebrosides