Chapter 11 - Water & Major Minerals Flashcards
True or False:
Depending on a person’s age, sex, and body composition, 50% to 75% of their body is water weight.
True
What are the import roles in the body from water?
- Removing water products
- Lubricating Tissues
- Regulating Body Temps
- Maintaining acid-base balance in the body
What are the 2 major fluid compartments?
Intracellular and Extracellular
About how much of the body water is in intracellular compartment?
2/3
The Adequate Intake (AI) for total water intake is approximately how much for young women?
11 cups (2.7 L)
The Adequate Intake (AI) for total water intake is approximately how much for young men?
15.3 cups (3.7 L)
About how much % do human obtain water from food?
20%
About how much % do human obtain water from water and Beverages?
80%
What is the major regulator for the body’s water balance?
The kidneys
Antidiuretic hormone (ADH), aldosterone, and the renin-angiotensin system control what?
Water balance, primarily through regulation of urine output
How can you determine how much water an individual is consuming and how?
Thought their urine and the color
What is also called over hydration?
Hyponatremia
What are the 2 classifications of minerals?
Major and trace minerals
What are the major minerals?
- Calcium
- Chloride
- Magnesium
- Phosphorus
- Potassium
- Sodium
- Sulfur
What is the most plentiful mineral in the human body?
Calcium - Ca
What is calcium essential for?
- Bone and teeth formation
- muscle contraction
- Blood clotting
- Nerve transmission
- Cell metabolism
What foods contain Calcium?
- Milk products
- Broccoli and leafy greens
Ca is also added to a variety of foods, including fortified orange juice, margarine, soy milk, cereals, and breakfast bars.
What is excessive calcium called?
Hypercalcemia
A deficiency in calcium can cause…
Osteoporosis
What is the 2nd most abundant mineral in the body?
Phosphorus
What is phosphorus involved with within the body?
formation of bones and teeth. It is essential for every cell in the human body.
What are the food sources for phosphorus?
Dairy foods, meat, and cereal grains are the primary sources of phosphorus in the typical American diet.
What happens during a phosphorus deficiency?
leads to bone loss and decreased bone mineralization and strength. Children who are deficient in phosphorus experience symptoms of rickets.
Excessive amounts of phosphorus can lead to…
Hyperphosphatemia
Functions of Sodium include….
maintaining normal fluid balance, transmission of nerve impulses, transporting substance into cells, and muscle function.
Food sources of sodium are …
Salt (sodium chloride) is the primary source of sodium in American diets. Other common sodium-containing food additives include sodium nitrate, sodium citrate, and monosodium glutamate (MSG).
Processed foods are high in sodium, whereas uncooked fruits and vegetables are low in sodium.
Sodium deficiency causes…
Hyponatremia
Excessive amounts of sodium are called…
Hypertension
Hypertension is a risk factor for cardiovascular disease, including heart disease and stroke.
The Dietary Guidelines recommend less than 2300mg of sodium daily.
Functions of “Potassium” ( K) are…
As the primary positively charged ion in the intracellular fluid, potassium helps maintain proper fluid and electrolyte balance.
What foods are from Potassium
Overall, fresh fruits, fruit juices, and vegetables are good dietary sources of potassium. Processed foods are poor sources of potassium.
What is a Potassium deficiency?
Hypokalemia
Excessive amounts of Potassium are called…
Hyperlakemia
Shouldn’t take potassium supplements unless are under a physician’s care
What are the functions for “Magnesium” (Mg)?
Important metabolic and physiological activities, including contraction and relaxation of muscles, enzyme function, energy production, and DNA and protein synthesis.
What are the food sources of Mg?
Therefore, plant food such as spinach, green leafy vegetables, whole grains, beans, nuts, seeds, and chocolate are the richest sources of magnesium.
What are excessive amount of Mg called…
Hypermagnesemia
overuse of laxatives, antacids, and dietary supplements that contain magnesium. Patients suffering from kidney failure and older adults have a high risk of magnesium toxicity.
Functions of Chloride are …
essential for maintaining proper fluid and electrolyte balance as the primary anion in extracellular fluid. Chloride is also found in gastric juice as a component of HCl.
Food sources of Chloride are …
table or sea salt (sodium chloride). Many vegetables also contain chloride.
Deficiency in Chloride are …
may be seen in cases of extreme vomiting, diarrhea, and/or sweating, as well as with diuretic use.
Excessive amounts digested from Chloride are …
consuming too much chloride can contribute to hypertension.
Functions of “Sulfur” (S) are …
the amino acids methionine and cysteine. It is essential to the activity of many enzymes and as part of antioxidant molecules.
Food sources of sulfur from Sulfur are …
Protein-rich foods, including meat, poultry, fish, eggs, milk, cheese, legumes, and nuts provide ample sulfur to diets.
Deficiency in Sulfur are …
Are rare and occur only with sever protein deficiency, which is uncommon in the United States.
Excessive Sulfur intake are ….
Unlikely to occur in the USA
How much per day should a human intake for “Trace Minerals”?
100mg / day
What are the Trace Minerals?
- Iron
- Iodine
- Zinc
- Selenium
- Flouride
- Chromium
- Copper
- Manganese
- Molybdenum
- Possibly other minerals
Functions of “Iron” are …
necessary for energy metabolism, growth, reproduction, wound healing, and immune function.
Food sources of Iron are…
Beef, fish, and poultry contain more iron (heme iron) than most plant foods.
The remaining iron in meat, as well as all the iron in vegetables, grains, dietary supplements, and fortified or enriched foods, is nonheme iron. Naturally occurring components of plant foods, such as phytates and polyphenols, reduce iron absorption.
What are the 2 forms of Iron can be found?
Heme and Nonheme
Iron deficiencies are …
- Characterized by abnormally low iron levels in the body.
- The deficiency usually results from losing blood, consuming diets that lack iron, or being unable to absorb adequate amounts of dietary iron.
- The third stage of iron deficiency is iron deficiency anemia, which has widespread negative effects on the body.
* Vegetarians have a higher risk of iron deficiency than people who eat meat because meat provides heme iron.*
Iron excessive intake are …
Blood acts as an oxidant and causes damage to cell membranes, proteins, and DNA. Iron overload occurs when toxic amounts of iron supplements are ingested, but the condition also results from certain genetic conditions.
Iodine functions are …
People require iodine for normal thyroid function and for the production of different thyroid hormones.
Iodine food sources are …
Major sources of iodine include:
- Saltwater fish
- Seafood
- Seaweed
- Some plants, especially the leaves of plants grown near oceans
- Milk
- Eggs
- Iodized salt
Iodine deficiencies are …
develop hypothyroidism.