ISSA Macronutrients & Micronutrients Essentials

Question 1

Which of the following is a macronutrient?

Accepted Answer

Carbohydrates

Answer

Macronutrients are nutrients that the body needs in large amounts to provide energy and support bodily functions. Carbohydrates, along with proteins and fats, are primary macronutrients. They are essential for energy production, making them a crucial component of a balanced diet, unlike micronutrients like vitamins and minerals which are needed in smaller quantities.

Question 2

Which vitamin is fat-soluble?

Accepted Answer

Vitamin D

Answer

Vitamin D is a fat-soluble vitamin, meaning it dissolves in fats and oils and can be stored in the body's fatty tissues and liver. Unlike water-soluble vitamins such as Vitamin C and B vitamins, which are not stored and are excreted in urine, fat-soluble vitamins require dietary fat for absorption. This characteristic affects how they are absorbed, transported, and stored in the body.

Question 3

Which of the following is a function of protein in the body?

Accepted Answer

Builds and repairs tissues

Answer

Protein is a fundamental macronutrient vital for numerous bodily functions, most notably building and repairing tissues. It is essential for the growth and maintenance of muscles, organs, skin, and hair, and also plays a role in enzyme and hormone production. Unlike carbohydrates which primarily provide immediate energy, protein's structural and functional roles are paramount for overall health.

Question 4

Which mineral is crucial for oxygen transport in the blood?

Accepted Answer

Iron

Answer

Iron is a crucial mineral primarily responsible for oxygen transport in the blood. It is a key component of hemoglobin, a protein in red blood cells that binds to oxygen in the lungs and carries it throughout the body to tissues and organs. Without sufficient iron, the body cannot produce enough healthy red blood cells, leading to conditions like anemia and impaired oxygen delivery.

Question 5

Which macronutrient provides the most calories per gram?

Accepted Answer

Fat

Answer

Fat is the macronutrient that provides the most calories per gram, yielding approximately 9 calories per gram. In contrast, carbohydrates and protein each provide about 4 calories per gram. This higher caloric density makes fat an efficient source of energy and an important component for energy storage in the body.

(ISSA) International Sports Sciences Association Certified Nutritionist Practice Test

(ISSA) International Sports Sciences Association Certified Nutritionist Practice Test

ISSA Macronutrients & Micronutrients Essentials