HNF 150 MSU EXAM 3 ACTUAL PAPER 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◉ T/F: 60% of body weight is water weight.
Answer: True
◉ Major functions of water in the body.
Answer: -Carries nutrients
-Cleanses tissue an blood
-Solvent
-Chemical reactions
-Lubricant around joints
-Shock absorber
-Body temperature
◉ How to dehydrate the body.
Answer: -Dont drink enough fluids
-Diuretics (alcohol, caffeine)
-Eat lots of salt and sugar
◉ Dehydration symptoms.
,Answer: -Thirst
-Dry mouth
-Lack of energy
-Rapid pulse
-Low blood pressure
-Sudden weight loss
-Reduced urine
◉ Water Recommendations.
Answer: Men (19-30y): 3.7 Liters
Women (19-30y): 2.7 Liters
◉ What is not a sign of dehydration?.
Answer: Increased urination
◉ Which part of the brain regulates water intake?.
Answer: hypothalamus
◉ Sources of water output:.
Answer: kidneys, skin, lungs, feces
◉ Hard water:.
, Answer: contains dissolved minerals like calcium and magnesium
◉ Soft water:.
Answer: treated water with only sodium ion
Example: rainwater
◉ Diuretic.
Answer: compound, usually a medication, causing increased urinary
water excretion
◉ Ions.
Answer: electrically charged particles such as sodium or chloride
◉ What is usually the first sign of dehydration?.
Answer: thirst
◉ Which type of water is more highly regulated?.
Answer: tap water
◉ Trace Minerals.
Answer: Iodine, Zinc, Fluoride, Iron, Selenium
QUESTIONS WITH SOLUTIONS GRADED A+
◉ T/F: 60% of body weight is water weight.
Answer: True
◉ Major functions of water in the body.
Answer: -Carries nutrients
-Cleanses tissue an blood
-Solvent
-Chemical reactions
-Lubricant around joints
-Shock absorber
-Body temperature
◉ How to dehydrate the body.
Answer: -Dont drink enough fluids
-Diuretics (alcohol, caffeine)
-Eat lots of salt and sugar
◉ Dehydration symptoms.
,Answer: -Thirst
-Dry mouth
-Lack of energy
-Rapid pulse
-Low blood pressure
-Sudden weight loss
-Reduced urine
◉ Water Recommendations.
Answer: Men (19-30y): 3.7 Liters
Women (19-30y): 2.7 Liters
◉ What is not a sign of dehydration?.
Answer: Increased urination
◉ Which part of the brain regulates water intake?.
Answer: hypothalamus
◉ Sources of water output:.
Answer: kidneys, skin, lungs, feces
◉ Hard water:.
, Answer: contains dissolved minerals like calcium and magnesium
◉ Soft water:.
Answer: treated water with only sodium ion
Example: rainwater
◉ Diuretic.
Answer: compound, usually a medication, causing increased urinary
water excretion
◉ Ions.
Answer: electrically charged particles such as sodium or chloride
◉ What is usually the first sign of dehydration?.
Answer: thirst
◉ Which type of water is more highly regulated?.
Answer: tap water
◉ Trace Minerals.
Answer: Iodine, Zinc, Fluoride, Iron, Selenium
