HUMAN Nutrition LEARNING LEVEL ASSESSMENT

Which statement best defines nutrition?

• The study of how the body digests food

• The process of obtaining and utilizing food for growth and health

• The act of eating different types of food

• The breakdown of food in the stomach

Answer explanation

The correct choice defines nutrition as the process of obtaining and utilizing food for growth and health, encompassing both the intake and the body's use of nutrients, which is broader than just digestion or eating.

Which macronutrient is the body's primary source of energy?

• Proteins

• Carbohydrates

• Fats

• Vitamins

Answer explanation

Carbohydrates are the body's primary source of energy, as they are easily broken down into glucose, which fuels our cells. Proteins and fats can also provide energy, but carbohydrates are the most efficient source.

Which vitamin is essential for good vision and immune function?

• Vitamin A

• Vitamin C

• Vitamin D

• Vitamin K

Answer explanation

Vitamin A is crucial for maintaining good vision and supporting immune function. It helps in the formation of rhodopsin, a pigment in the retina, and plays a vital role in the immune response.

Which macronutrient provides the most energy per gram?

• Carbohydrates

• Proteins

• Fats

• Vitamins

Answer explanation

Fats provide the most energy per gram, yielding about 9 calories, compared to carbohydrates and proteins, which provide about 4 calories each. This makes fats the most energy-dense macronutrient.

What is the main goal of meal planning?

• To eat expensive food

• To ensure a balanced intake of nutrients

• To avoid cooking

• To limit food intake

Answer explanation

The main goal of meal planning is to ensure a balanced intake of nutrients. This helps individuals meet their dietary needs and maintain overall health, rather than focusing on cost, convenience, or limiting food.