12867966
Descripción
Test por Alannah McDonnell, actualizado hace más de 1 año
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Creado por Alannah McDonnell
hace más de 6 años
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|
Pregunta 1
Pregunta
What are minerals?
Respuesta
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Inorganic elements
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Organic elements
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Proteins
-
Substrates found most often in processed foods
Pregunta 2
Pregunta
How are major minerals defined?
Respuesta
-
Inorganic materials
-
Organic materials
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>100mg per day needed
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<100mg per day needed
Pregunta 3
Pregunta
How are trace minerals defined
Respuesta
-
Less than 100mg per day needed
-
More than 100mg per day needed
-
Inorganic materials
-
Organic materials
Pregunta 4
Pregunta
What do many minerals serve as?
Respuesta
-
Cofactors essential for enzyme activity
-
Enzymes essential for cofactors activity
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Nutrients
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Protein carriers
Pregunta 5
Pregunta
Which of these are not trace elements
Respuesta
-
Iron
-
Copper
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Zinc
-
Sodium
-
Potassium
Pregunta 6
Pregunta
Which of these are not trace elements?
Respuesta
-
Fluoride
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Manganese
-
Molybdenum
-
Chloride
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Calcium
-
Phosphorus
Pregunta 7
Pregunta
Which of these are not trace elements?
Respuesta
-
Selenium
-
Iodine
-
Chromium
-
Magnesium
-
Sulphur
Pregunta 8
Pregunta
Which of these are electrolytes?
Respuesta
-
Sodium
-
Potassium
-
Chloride
-
Fluoride
-
Magnesium
Pregunta 9
Pregunta
What are electrolytes essential for?
Respuesta
-
Nerve conduction
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Muscle contraction
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Muscle relaxation
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Lipid transport
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Nerve suppressant
Pregunta 10
Pregunta
What does balancing electrolytes do?
Respuesta
-
Helps balance body fluids
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Makes body fluids irregular
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Limits lipid movement
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Limits loss of water
Pregunta 11
Pregunta
What is the modern diet?
Respuesta
-
High in Na low in K
-
High in K low in Na
-
Equal amounts of K and Na
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Varying amounts of K and Na
Pregunta 12
Pregunta
Diets high in what may lower the risk of hyper tension?
Respuesta
-
Potassium
-
Calcium
-
Magnesium
-
Sodium
-
Fluoride
Pregunta 13
Pregunta
How is calcium absorbed in the digestive tract?
Respuesta
-
Active transport
-
Passive transport
Pregunta 14
Pregunta
What is the bioavailability of calcium decreased by?
Respuesta
-
Tannins
-
Fiber
-
Phytates
-
Oxalates
Pregunta 15
Pregunta
What does calcium have a vital role in?
Respuesta
-
Nerve transmission
-
Muscle contraction
-
Muscle relaxation
-
Blood pressure regulation
-
Release of hormones
Pregunta 16
Pregunta
What hormones are important in regulation of blood calcium?
Respuesta
-
Calcitonin
-
Parathyroid hormone
-
Angiotensin
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Renin
-
Magnesium
Pregunta 17
Pregunta
What is a poor source of magnesium?
Respuesta
-
Processed foods
-
Leafy green vegetables
-
Nuts
-
Seeds
-
Bananas
-
Wholegrains
Pregunta 18
Pregunta
What may provide a significant amount of magnesium?
Respuesta
-
Hard water
-
Soft water
-
Processed foods
Pregunta 19
Pregunta
Which of these is not likely to have a phosphorus deficiency?
Respuesta
-
Premature infants
-
Vegans
-
Alcoholics
-
Chronic diarrhea patients
-
Healthy people
Pregunta 20
Pregunta
What can a phosphorus deficiency lead to?
Respuesta
-
Bone loss
-
Weakness
-
Loss of appetite
-
Hunger
-
Excessive bone growth
Pregunta 21
Pregunta
What is the UL of phosphorus?
Respuesta
-
4g/day
-
12g/day
-
20g/day
Pregunta 22
Pregunta
What can excessive intake of phosphorus lead to?
Respuesta
-
Bone resorption
-
Breakdown of bone
-
Loss of apetite
-
Diarrhea
Pregunta 23
Pregunta
In the digestive tract How much of the magnesium in the diet is absorbed?
Respuesta
-
About 50%
-
About 10%
-
About 90%
-
About 100%
Pregunta 24
Pregunta
When does absorption efficiency of magnesium decrease? (In the digestive tract)
Respuesta
-
As intake increases
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As intake decreases
-
Randomly
-
During fasting state
Pregunta 25
Pregunta
What enhances absorption of magnesium to a small extent?
Respuesta
-
Active form of vitamin D
-
Inactive form of vitamin D
-
Vitamin C
-
The active form of vitamin K
Pregunta 26
Pregunta
What decreases absorption of magnesium?
Respuesta
-
Phytate
-
Phylase
-
Vitamin D
-
Magnesium
Pregunta 27
Pregunta
What reduces absorption of magnesium?
Respuesta
-
High dietary calcium
-
Vitamin D
-
Vitamin E
-
Phosphorus
Pregunta 28
Pregunta
Where is most of the magnesium in the body?
Respuesta
-
50-60% in the bone
-
50-60% in the intestine
-
50-60% in the blood
-
50-60% in the brain
Pregunta 29
Pregunta
What is the 2nd most abundant positively charged intracellular ion?
Respuesta
-
Magnesium
-
Calcium
-
Phosphorus
-
Potassium
Pregunta 30
Pregunta
Which of these is not a function of magnesium?
Respuesta
-
Associated with negatively charged particles
-
Regulation of calcium homeostasis
-
Needed for action of vitamin D, PTH and other hormones
-
A cofactor for over 300 enzymes
-
Breakdown of fat
Pregunta 31
Pregunta
What regulates the blood levels of magnesium?
Respuesta
-
Kidneys
-
Liver
-
Brain
-
Stomach
Pregunta 32
Pregunta
When can a deficiency of magnesium occur?
Respuesta
-
Alcoholism
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Malnutrition
-
With certain diseases and medications
-
Impaired kidney function
Pregunta 33
Pregunta
When may magnesium toxicity occur?
Respuesta
-
In people with impaired kidney function
-
Alcoholism
-
Malnutrition
Pregunta 34
Pregunta
Where is sulfur found in the diet?
Respuesta
-
In organic molecules
-
In some inorganic food preservatives
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In bananas
-
In bread
Pregunta 35
Pregunta
What is zinc?
Respuesta
-
An enzyme
-
A protein
-
A carbohydrate
Pregunta 36
Pregunta
What issues occur with excess zinc?
Respuesta
-
Lowered immune function
-
Reduced concentration of HDL cholesterol
-
Polyuria
-
Polydipsia
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Impaired iron absorption
-
Impaired copper absorption
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