HN Questions with complete solutions

most important nutrient for life? Correct Answer-water 60% body weight for men, 50% for women, 40-70 for obese individuals body requirements depend on 4 factors: weight, enviro, activity, development typically need 1cc/kcal we get 80% of water from beverages, less than 20% from fruits/veg and the other small amount from metabolism store it in proteins, carbs, electrolytes, creatine release 1L of water for every 350mg CHO burned what is dehydration Correct Answer-caused by: lack of fluid intake, high fluid loss (vomit, diarrhea), temp irregularity (fever), kidney disease normo-hypo-hyper hydration kidney will regulate fluid loss/uptake per hydration level we homeostatic-ally regulate by monitoring osmolality which affects the tonicity number of dissolved particles including charged particles like electrolytes affects the osmolality our sweat is hypotonic and 99% water- often dont need electrolyte replacement unless for activity over 4 hours bc sweat is hypotonic temp increasing will cau