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