NDFS 100 Exam 3 BYU Questions with
Verified Correct Answers
What are the major roles of water?
Transports nutrients; dissolves amino acids, glucose, minerals, etc. to be excreted; coolant;
cleansing agent.
What factors increase fluid needs?
Alcohol; cold weather; breastfeeding & pregnancy; surgery, blood loss, burns, medications,
etc; children; elderly; certain diseases; forced air environments -- airplanes, sealed buildings,
etc.
Hard water is high in what?
Calcium and magnesium
Soft water is high in what?
Sodium
What foods can be sources of water?
Celery and lettuce
What are examples of surface water?
Lakes, rivers, reservoirs
What are surface waters exposed to?
Acid rain and pollution
What things can remove contaminants from surface water?
Plants, microorganisms, and sunlight
, What can ground water be contaminated by?
hazardous waste, dumps, oil and gas pipelines, sewage
Where is ground water found?
Underground
What type of water takes longer to decontaminate?
Groundwater
What is the main function of calcium?
Strong bones and teeth
What are other functions of calcium?
Nerve transmission, blood pressure & clotting, muscle contraction
What are calcium food sources?
Dairy, green vegetables
What are calcium toxicities?
Constipation, lowered absorption of other minerals (especially Iron), kidney stones
What is the main function of magnesium?
Assists more than 300 enzymes
What are other functions of magnesium?
Muscle function, bone mineralization
What are magnesium food sources?
Nuts, legumes, seafood, dark green foods, dark chocolate
Verified Correct Answers
What are the major roles of water?
Transports nutrients; dissolves amino acids, glucose, minerals, etc. to be excreted; coolant;
cleansing agent.
What factors increase fluid needs?
Alcohol; cold weather; breastfeeding & pregnancy; surgery, blood loss, burns, medications,
etc; children; elderly; certain diseases; forced air environments -- airplanes, sealed buildings,
etc.
Hard water is high in what?
Calcium and magnesium
Soft water is high in what?
Sodium
What foods can be sources of water?
Celery and lettuce
What are examples of surface water?
Lakes, rivers, reservoirs
What are surface waters exposed to?
Acid rain and pollution
What things can remove contaminants from surface water?
Plants, microorganisms, and sunlight
, What can ground water be contaminated by?
hazardous waste, dumps, oil and gas pipelines, sewage
Where is ground water found?
Underground
What type of water takes longer to decontaminate?
Groundwater
What is the main function of calcium?
Strong bones and teeth
What are other functions of calcium?
Nerve transmission, blood pressure & clotting, muscle contraction
What are calcium food sources?
Dairy, green vegetables
What are calcium toxicities?
Constipation, lowered absorption of other minerals (especially Iron), kidney stones
What is the main function of magnesium?
Assists more than 300 enzymes
What are other functions of magnesium?
Muscle function, bone mineralization
What are magnesium food sources?
Nuts, legumes, seafood, dark green foods, dark chocolate
