1) what IS a severe sign of dehydration? a) thirst b) dark yellow urine c) sunken eyes d) headache 2) what is NOT a severe sign of dehydration? a) not urinating b) muscle cramps c) feeling dizzy d) fainting 3) what percentage sweat loss causes a noticeable decrease of physical and mental performance? a) 3% b) 8% c) 2% d) 5% 4) losses of 5% or more of water in the body decreases your capacity for work by how much? a) 30% b) 25% c) 20% d) 40% 5) what does hypernatremia mean? a) having too little sodium in the blood b) having too much glucose in the blood c) having too much sodium in the blood d) having too little glucose in the blood

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