ASVAB prep - General Science - Nutrition & Health

What is the primary function of carbohydrates in the body?

Providing energy.

A calorie is actually a measure of energy, and is equivalent to how many Joules?

4.18

Which of the following is NOT a fruit?

Carrots.

Which of the following is a good source of complete protein?

Eggs.

In December, what season is it in countries in the Southern Hemisphere such as Australia?

Summer.

Which of the following is NOT a primary function of protein in the human body?

Providing energy.

What is the recommended daily intake of water for adults?

2-3 liters.

Ascorbic acid is also known as _________.

Vitamin C.

Which element in the protein hemoglobin, found in red blood cells, is responsible for binding oxygen?

Iron.

Which of the following is an example of a mineral?

Sodium chloride.

How does vitamin D affect calcium absorption in the body?

Promotes calcium absorption.

How does excessive sodium intake affect blood pressure?

Raises blood pressure.

A deficiency in which vitamin can lead to scurvy?

Vitamin C.

How does fiber benefit digestive health?

Promotes bowel regularity.

Which type of fat is considered the most harmful to your health?

Trans fats.

Which of the following micronutrients is important for immune function and wound healing?

Vitamin C.

What is the role of omega-3 fatty acids in heart health?

Support heart health.

Which micronutrient is essential for proper thyroid function?

Iodine.

Which nutrient is crucial for nerve function and muscle contractions?

Calcium.

Which nutrient deficiency can lead to anemia?

Iron.

How does vitamin K contribute to blood clotting and bone health?

Activates clotting factors.

Which nutrient deficiency can lead to impaired vision and night blindness?

Vitamin A.

Which nutrient deficiency can lead to impaired cognitive function and nerve damage?

Vitamin B12.

Which mineral is crucial for fluid balance, nerve function, and muscle contractions?

Potassium.

Which nutrient deficiency can lead to weak bones, muscle cramps, and heart palpitations?

Magnesium.

What is the primary function of antioxidants in the body?

Neutralize free radicals.

How do carbohydrates impact blood sugar levels?

Raise blood sugar levels.

How does magnesium benefit muscle function and nerve health?

Supports muscle contractions.

How does zinc support the immune system?

Supports white blood cell production.

What is the primary function of phosphorus in the body?

Bone mineralization.

What are the primary sources of omega-3 fatty acids?

Fish and flaxseeds.

Which of the following vitamins is water-soluble?

Vitamin C.

What is the primary function of folate in the body?

DNA synthesis and cell division.

Why is iron important for women's health?

Preventing anemia.

Which macronutrient is the body's preferred source of energy during low to moderate intensity exercise?

Carbohydrates.

Why are essential fatty acids important for brain health?

Brain development and cognitive function.

Which of the following is a complex carbohydrate?

Starch.

Which of the following macronutrients provides the most calories per gram?

Fat.

Which of the following minerals is essential for maintaining fluid balance in the body?

Sodium.

Which of the following foods is a good source of dietary fiber?

Broccoli.