HUMAN NUTRITION

NUTRITION

ESSENTIAL NUTRIENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why are carbohydrates the body’s preferred source of energy?
A
They are inexpensive to buy.
B
They are plentiful in the diet.
C
They are used efficiently as fuel.
D
They are spare fats in the body.
Explanation: 

Detailed explanation-1: -Carbohydrates are the nutrients most frequently used as an energy source (containing 4kcal per gram), as they are fast-acting and turn into energy as soon as they are ingested. This energy powers the brain and body. The energy that powers the brain and body is generated when carbohydrates are broken down.

Detailed explanation-2: -Carbohydrates are the main energy source of the human diet. The metabolic disposal of dietary carbohydrates is direct oxidation in various tissues, glycogen synthesis (in liver and muscles), and hepatic de novo lipogenesis.

Detailed explanation-3: -Simple carbohydrates are digested quickly and send immediate bursts of glucose (energy) into the blood stream. That’s why you may feel a rush of energy when you eat a dessert, only to be followed by a crash of fatigue when that sudden burst of energy is depleted.

Detailed explanation-4: -Most cells in the body can produce ATP from several sources, including dietary carbohydrates and fats. But if you are consuming a diet with a mix of these nutrients, most of your body’s cells will prefer to use carbs as their primary energy source ( 1 ).

There is 1 question to complete.