20 Questions
Which ion plays a role in muscle contraction and nerve transmission?
Sodium
What is the principal positively charged ion inside the body’s cells?
Potassium
Which ion is the positive ion in extracellular fluid and plays a role in fluid balance, electrolyte balance, and maintenance of extracellular fluid balance?
Sodium
What is the most common electrolyte imbalance, often caused by excessive losses rather than deficient intakes?
Potassium deficiency
Which electrolyte deficiency can lead to heart failure due to potassium loss during fasting or severe diarrhea?
Potassium deficiency
What type of diets seem to play an important role in the development of high blood pressure?
Low potassium diets
Which ion is found in table salt (NaCl) as 40% of its composition?
Sodium
Excessive losses of which electrolyte can lead to conditions such as diabetic acidosis, dehydration, or prolonged vomiting or diarrhea?
Potassium
Which electrolyte appears to reduce the risk of stroke, beyond just its reduction in blood pressure alone?
Potassium
Which ion's deficiency has no known human diets that lack it?
Sodium
What is the main role of calcium in the body?
Formation of hydroxyapatite crystals for bone rigidity
Which mineral is found in the body in amounts exceeding 5 grams and is required in quantities greater than 100 mg/day for proper functioning?
Calcium
What is the potential consequence of low intakes of calcium?
Increased risk of colon and rectal cancer
What are the symptoms associated with a deficiency of calcium?
Stunted growth, muscle spasms, kidney stones
Which condition is described as 'a pediatric disease with geriatric consequences'?
Osteoporosis
What is the primary function of trace minerals in the body?
Activation of cellular enzymes
Which mineral is required in amounts less than 5 grams and in quantities less than 100 mg/day for proper functioning?
Iron
What are the major sources of calcium in the diet?
Dairy products and fortified foods
"Insufficient bone calcium increases the risk of osteoporosis." What does this statement imply?
"Insufficient bone calcium may contribute to the development of osteoporosis."
"Low intakes of calcium are associated with an increased risk of colon and rectal cancer." What inference can be made from this statement?
"Increasing calcium intake can reduce the risk of colon and rectal cancer."
Test your knowledge about the various functions of minerals in the body, including major and trace minerals. Learn about the essential nutrients, naturally occurring properties, and roles of minerals such as calcium and iron.
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