Question

Using short essay format and in your own words, answer the following questions. These do not need to be lengthy. Turn it as a word document via the View/Complete Assignment link below.

1. What is a nutrient? Name the six classes of nutrients found in foods. What is an essential nutrient?

2. Which nutrients are inorganic, and which are organic? Discuss the significance of that distinction.

3. Which nutrients yield energy, and how much energy do they yield per gram? How is energy measured?  Explain how variables might be correlational but not causal.

4.  What happens when people get either too little or too much energy or nutrients? Define malnutrition, undernutrition, and overnutrition.

Answer 1

Question 1

What is nutrient?

Nutrients are compounds in foods essential to life and health,providing us with energy the building blocks for repair and growth and substances necessary to regulate chemical processes.

Six classes of nutrients.

1. Carbohydrates
2. Lipids (fats)
3. Proteins.
4. Vitamins.
5. Minerals.
6. Water.

Water is the most important essential nutrient. It involved in many of our body's vital functions,and it distributes other essential nutrient to your cells.

Question 2

*Organic nutrients

- Carbohydrates

- Lipids

-Protein

- Vitamins

*Inorganic nutrients

-minerals such as nitrogen, phosphorus, v. sodium, pottasium, chloride etc...

- water is also inorganic.

Organic nutrients contains carbon .carbon is an important element not only in the organic nutrients but all life on earth..

Question 3

Nutrients which provide energy are commonly refferd to as macro nutrients are carbohydrates, protein, lipids.

Energy per gram of food

Carbohydrates. = 16kj/gm of CHOs

Protein. = 17kj/gm of protein

Lipids. = 37kj/gm of llipids.

Measurement unit of energy in the body is kilocalories and kilojoules. One kilocalorie is equal to 4.18 kilojoules. The amount of energy a food contains per gram is known as energy density.

Question 4

Nutritional deficiency occurs when the body gets less or not absorb by body. It leads to variety of health problems. It includes digestion problems, skin disorders, stunted bone growth.

Malnutrition

Lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things .

Undernutrition

It denotes insufficient intake of energy and nutrients to meet an individual's needs to maintain good health.

Overnutrition

It is a form of malnutrition (imbalanced diet) arising from excessive intake of nutrients, leading to accumulation of body fat that impairs health.i,e.., over weight/obesity.