NUT1602 - Nutrition And Nutrient Deficiency Diseases (NUT1602)
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NUT1602 - Assignment 2 - 2020 - 89%
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NUT1602 - Nutrition And Nutrient Deficiency Diseases (NUT1602)
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University Of South Africa (Unisa)
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NUT1602 - Nutrition And Nutrient Deficiency Diseases (NUT1602)
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NUT1602/101/3/2020
ASSIGNMENT 2 QUESTIONS
Question 1 [50]
Generate and complete the following table on the macro minerals in your answer document.
Nutrient Functions Food sources high in
each nutrient
1.1 Chloride (7) (4)
1.2 Potassium - (5)
1.3 Calcium (5)
1.4 Phosphorus (6) (5)
1.5 Magnesium (5)
Question 2 [30]
Generate and complete the following table on the trace minerals in your answer document.
Nutrient Functions Food sources high in each
nutrient
2.1 Iron (5) (7)
2.2 Zinc (5) (5)
2.3 Iodine (3) (5)
Question 3 [20]
3.1 The human body’s requirement for salt is more or less 2 to 8 grams per day. However,
studies have shown that people consume up to 30 grams per day. It is advisable to avoid
too much salt, because high sodium intakes correlate with high blood pressure. Carefully
jot down 7 short, easy-to-remember guidelines that you can share with patients with high
blood pressure to help them reduce their sodium intake. (10)
3.2 What roles do the following hormones play in the maintenance of blood volume and blood
pressure:
3.2.1 ADH (4)
3.2.2 Renin (3)
3.2.3 Aldosterone (3)
TOTALMARK: 100
END OF ASSIGNMENT 02
, Question 1 [50]
Nutrient Functions Food sources high in
each nutrient
1.1 Chloride Chloride assists in: Chloride is found in
• Fluid balance regulation: this is an important table salt, meats,
component of many bodily functions such dairy, pickled foods,
as nerve cell transmissions and muscle highly processed
contractions. foods like fast foods,
• Blood volume and pressure regulation. chips, condiments
• Acid-base balance: The body uses ions like such
chloride to regulate the acidity in fluids. as soy sauce,
• chloride, along with other electrolytes, mustard sauce and
defend the body against fluctuations in pH: tomato sauce
- Buffers of the blood (McGuire & Beerman,
- Respiration of the lungs 2013:200).
- Excretion of the kidneys
1.2 Potassium Like chloride, potassium assists in: Fruits like Bananas,
• Fluid balance regulation: this is an important oranges, cantaloupe,
component of many bodily functions such honeydew, apricots,
as nerve cell transmissions and muscle grapefruit (some dried
contractions. fruits, such as prunes,
• Blood volume and pressure regulation raisins, and dates, are
• Acid-base balance: The body uses its ions also high in
like potassium to regulate the acidity of potassium). Cooked
fluids. spinach & cooked
• Potassium, along with other electrolytes, broccoli. Potatoes,
defend the body against fluctuations in pH: sweet potatoes,
- Buffers of the blood mushrooms, peas &
- Respiration of the lungs cucumbers. i
- Excretion of the kidneys
1.3 Calcium • Calcium is the most abundant mineral in the Calcium is abundant
human body. In a human’s early life, the in broccoli, tofu,
body uses it to grow a healthy skeleton. Chinese
• Calcium helps to minimise bone loss as a cabbage (Bok Choy)
person grows older. and sardines with
• Calcium provides strength and bones. Additionally,
rigidity/firmness to bones which are in the many cereals and
maturation process. fruit juices are
• Calcium and magnesium work together to fortified with
influence muscle contraction, blood clotting, calcium. Milk (cow’s,
regulation of blood pressure and ensures goat’s etc.) is a good
healthy function of the lungs. source of calcium.
• Calcium supports vision and regulates blood
glucose by activating
Calmodulin.
2
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