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UNIT #3 CH.8

Terms in this set (30)

The recommended source of fluid for healthy U.S. adults is:
plain drinking water, because it is safe and noncaloric
Why is medical supervision advised for a person suffering from chronic vomiting or diarrhea?
To prevent fluid and electrolyte imbalance
Your best friend complains that she is tired all the time and has a problem concentrating. In addition, she craves for ice. Based on her symptoms, which mineral deficiency does she have?
She has an iron deficiency.
What is the most abundant mineral in the body?
Calcium
How is osteoporosis diagnosed?
a DEXA scan
Which agency is responsible for maintaining the safety standards of bottled water in the United States?
FDA
Which individual is most likely to experience osteoporosis?
a 70-year-old female who smokes
What is one of the major roles of calcium in the body?
essential for muscle contractions
Which physiological change occurs in the body when the calcium intake is cut back suddenly?
Calcium is absorbed from the bones.
During outdoor physical activity, the body maintains its temperature by:
sweating to release body heat
For men and women in the 19- to 50-year age range, the calcium DRI is _____ mg.
1,000
Which of the following statements is true about groundwater as a source of drinking water?
It comes from deep, protected underground aquifers.
The best source of phosphorus is
animal protein
Which statement about the function of water in the human body is FALSE?
Water is a good source of energy.
Which statement about calcium metabolism is true?
When the body needs more calcium, proteins in the intestinal lining increase its absorption.
High salt intake can temporarily increase the water content of the body.
True
The kidneys and the brain regulate the water balance of the body.
True
How can people between the ages of 31 and 50 years preserve their bone health?
By maximizing bone retention
What type of water does NOT contain any dissolved minerals?
distilled water
Which of the following is a nonmodifiable risk factor for osteoporosis?
Female gender
The bioavailability of calcium in calcium-fortified orange juice is comparable to that of milk.
True
The first sign of dehydration is:
thirst
What would you consume with an iron-rich diet in order to enhance iron absorption?
Tomato and meat, or eggs
Phosphorus is a critical constituent of cellular fluids because of its role:
in the synthesis of phospholipids to transport fats through the blood
The main sources of iodine in the central parts of the United States are plants grown in iodine-rich soil.
False
Which of the following elements must be present for the synthesis of thyroxine?
Iodine
The best way to prevent calcium deficiency is to:
consume an adequate amount of milk, cheese, and yogurt
Which statement regarding fluid and electrolyte imbalance is FALSE?
It will resolve without intervention.
Which of the following substances inhibits iron absorption?
Phytic acid
A diet low in ___________ and vitamin D can increase the risk of developing osteoporosis.
calcium
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