Understanding Proteins and Nutrition

What are the three energy-yielding nutrients?

• Proteins, Vitamins, and Fats

• Carbohydrates, Fats, and Proteins

• Minerals, Carbohydrates, and Fats

• Vitamins, Minerals, and Proteins

Answer explanation

The three energy-yielding nutrients are Carbohydrates, Fats, and Proteins. They provide the body with energy, while Vitamins and Minerals do not yield energy but are essential for various bodily functions.

Which of the following is a plant-based source of protein?

• Chicken

• Fish

• Lentils

• Pork

Answer explanation

Lentils are a plant-based source of protein, while chicken, fish, and pork are animal-based sources. Therefore, lentils are the correct choice for a plant-based protein.

What is a potential health risk associated with overconsumption of protein?

• Improved heart health

• Weakened kidneys

• Enhanced bone strength

• Increased energy levels

Answer explanation

Overconsumption of protein can lead to weakened kidneys, as they have to work harder to filter excess nitrogen from protein metabolism. This can strain kidney function over time, especially in individuals with pre-existing kidney issues.

Which of the following is a symptom of protein deficiency in children?

• Enhanced brain development

• Increased muscle mass

• Edema (swelling)

• Strong immune system

Answer explanation

Edema (swelling) is a symptom of protein deficiency in children, as inadequate protein can lead to fluid retention and swelling. The other options, such as enhanced brain development and strong immune system, are associated with adequate protein intake.

What is the main function of carbohydrates in the body?

• Building antibodies

• Providing energy

• Clotting of blood

• Maintaining fluid balance

Answer explanation

The main function of carbohydrates in the body is providing energy. They are the body's primary source of fuel, essential for various bodily functions and activities.

Which of the following is a simple carbohydrate?

• Starch

• Cellulose

• Glucose

• Glycogen

Answer explanation

Glucose is a simple carbohydrate, consisting of a single sugar molecule. In contrast, starch, cellulose, and glycogen are complex carbohydrates made up of multiple sugar units. Thus, glucose is the correct answer.

What is a function of fibre-rich foods in the body?

• Increase cholesterol levels

• Promote weight gain

• Lower heart disease risk

• Decrease digestive health

Answer explanation

Fibre-rich foods help lower heart disease risk by improving cholesterol levels and promoting better heart health. They do not promote weight gain or decrease digestive health, making 'lower heart disease risk' the correct choice.

What is the primary role of fats in the body?

• Building enzymes

• Providing stored energy

• Forming antibodies

• Clotting blood

Answer explanation

The primary role of fats in the body is providing stored energy. They serve as a concentrated energy source, essential for various bodily functions, unlike enzymes, antibodies, or blood clotting, which have different roles.

Which of the following is a source of fat?

• Quinoa

• Avocado

• Lentils

• Spinach

Answer explanation

Avocado is a fruit known for its high fat content, primarily healthy monounsaturated fats. In contrast, quinoa, lentils, and spinach are low in fat and primarily provide carbohydrates and proteins.

Which vitamin is known as the "sunshine vitamin"?

• Vitamin A

• Vitamin B

• Vitamin C

• Vitamin D

Answer explanation

Vitamin D is known as the "sunshine vitamin" because it is produced in the skin in response to sunlight. It plays a crucial role in calcium absorption and bone health.