Portage Learning: Nutrition Final Exam
Questions and Answers | Latest Update |
2024/2025 | Graded A+
What is the role of dietary fiber in digestion?
✔✔ Dietary fiber aids in digestion by promoting bowel movements and preventing constipation.
How does protein support muscle growth and repair?
✔✔ Protein provides the building blocks, called amino acids, necessary for muscle growth and
tissue repair.
Why is water considered an essential nutrient?
✔✔ Water is essential for maintaining body temperature, transporting nutrients, and removing
waste.
What impact does saturated fat have on cardiovascular health?
1
,✔✔ Saturated fat can raise cholesterol levels, increasing the risk of heart disease.
How does the body use calcium, and why is it important?
✔✔ Calcium is essential for bone and teeth health, as well as for proper muscle and nerve
function.
Why is iron important in the diet, and what can a deficiency lead to?
✔✔ Iron is important for oxygen transport in the blood, and a deficiency can lead to anemia.
What is the relationship between sodium intake and blood pressure?
✔✔ Excessive sodium intake can increase blood pressure, leading to hypertension.
How do antioxidants benefit the body?
2
, ✔✔ Antioxidants protect cells from damage caused by free radicals, reducing the risk of chronic
diseases.
Why is folic acid important during pregnancy?
✔✔ Folic acid is crucial for preventing neural tube defects in the developing fetus.
How does the glycemic index affect blood sugar levels?
✔✔ Foods with a high glycemic index cause a rapid spike in blood sugar levels, while low
glycemic index foods result in a slower, more stable rise.
What is the difference between hunger and appetite?
Hunger is an internal drive to find food and is often experienced by a negative feeling. Appetite
is an external drive to find food, often associated with pleasant feelings.
Name three of the four types of external forces that influence our eating habits and patterns.
Sensory, cognitive, environmental and health status
There are six classes of nutrients. Name the three that supply energy.
Proteins, Fats, Carbs
Vitamins are considered both
3
Questions and Answers | Latest Update |
2024/2025 | Graded A+
What is the role of dietary fiber in digestion?
✔✔ Dietary fiber aids in digestion by promoting bowel movements and preventing constipation.
How does protein support muscle growth and repair?
✔✔ Protein provides the building blocks, called amino acids, necessary for muscle growth and
tissue repair.
Why is water considered an essential nutrient?
✔✔ Water is essential for maintaining body temperature, transporting nutrients, and removing
waste.
What impact does saturated fat have on cardiovascular health?
1
,✔✔ Saturated fat can raise cholesterol levels, increasing the risk of heart disease.
How does the body use calcium, and why is it important?
✔✔ Calcium is essential for bone and teeth health, as well as for proper muscle and nerve
function.
Why is iron important in the diet, and what can a deficiency lead to?
✔✔ Iron is important for oxygen transport in the blood, and a deficiency can lead to anemia.
What is the relationship between sodium intake and blood pressure?
✔✔ Excessive sodium intake can increase blood pressure, leading to hypertension.
How do antioxidants benefit the body?
2
, ✔✔ Antioxidants protect cells from damage caused by free radicals, reducing the risk of chronic
diseases.
Why is folic acid important during pregnancy?
✔✔ Folic acid is crucial for preventing neural tube defects in the developing fetus.
How does the glycemic index affect blood sugar levels?
✔✔ Foods with a high glycemic index cause a rapid spike in blood sugar levels, while low
glycemic index foods result in a slower, more stable rise.
What is the difference between hunger and appetite?
Hunger is an internal drive to find food and is often experienced by a negative feeling. Appetite
is an external drive to find food, often associated with pleasant feelings.
Name three of the four types of external forces that influence our eating habits and patterns.
Sensory, cognitive, environmental and health status
There are six classes of nutrients. Name the three that supply energy.
Proteins, Fats, Carbs
Vitamins are considered both
3
