Applied Exercise Physiology Exam 1 (100% correct)

How much water comprises the body? correct answers 60% Where is water found in the body? correct answers 75% lean tissue 25% fat tissue What functions does water play in our body? correct answers -makes up the fluid portion of blood within plasma -participates in metabolic reactions -acts as a solvent for protein, glucose, vitamins, minerals, and many other small molecules -fluid portion of sweat -carries heat from internal portions of body to surface of skin -major constituent of lubricants in joints -major constituent of spinal fluid and fluid within the eyes -during pregnancy, is the major constituent of the amniotic fluid within the womb How does water weight differ between people of different ages? What factor largely determines this difference in water weight? correct answers Younger people (children) typically have higher percentage of water weight because they have a lot less fat tissue mass. Women, obese, and elderly typically hold more fat tissue mass so they contain less water percentage. How does water intake or loss alter concentration of ions in the body? correct answers The more water you intake, the lower your concentration of ions will be ; The less water you drink (or more water you lose), the higher your concentration of ions will be Metabolic water correct answers Water produced during normal metabolism Know the information in Table 10-1** correct answers Water Loss- Urine: 500-1,400mL Sweat: 400-900mL (with exercise) Feces: 150mL Insensible Perspiration: 350mL Total per day:1,400-2,800mL Water Ingestion- Liquids: 500-1,500mL Food: 700-1,000mL Metabolic water: 200-300mL Total per day: 1,400-2,800 What is recommended (i.e., adequate) fluid intake for adults and athletes? correct answers -For adults: 1.0-1.5 mL water per kcal -For athletes: 1.5 mL water per kcal