Question 1

Which of the following is NOT considered an antioxidant?

Accepted Answer

Vitamin K

Question 2

A patient presents with blurred vision, bone pain, and liver abnormalities after taking high-dose vitamin supplements. Which vitamin is most likely responsible for these symptoms when consumed in excess?

Accepted Answer

Vitamin A

Question 3

Which of the following best describes the thirst mechanism in humans?

Accepted Answer

It is regulated by the hypothalamus in response to increased blood osmolality.

Question 4

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

Accepted Answer

Providing energy for cellular metabolism

Question 5

Which statement about minerals is INCORRECT?

Accepted Answer

They are destroyed by heat during cooking.

Question 6

Which of the following correctly matches the type of iron with its primary food source?

Accepted Answer

Heme iron – found in animal foods

Question 7

Hemochromatosis is best described as:

Accepted Answer

A genetic disorder causing excessive iron absorption

Question 8

Which of the following best defines 'bioavailability'?

Accepted Answer

The proportion of a nutrient absorbed and utilized by the body

Question 9

Which factor would most likely DECREASE the bioavailability of a mineral?

Accepted Answer

High intake of phytates from whole grains

Question 10

Which two vitamins can humans synthesize in the body?

Accepted Answer

Vitamin D and Vitamin K

Question 11

A food manufacturer adds vitamin D to orange juice, which was not originally present in the juice. This process is best described as:

Accepted Answer

Fortification

Question 12

Which of the following is a health risk associated with excess body fat?

Accepted Answer

Increased risk of type 2 diabetes

Question 13

Which of the following best describes the difference between satiation and satiety?

Accepted Answer

Satiation is the feeling of fullness during a meal; satiety is the feeling of fullness after a meal.

Question 14

Which of the following is a function of the 1% of calcium found in the blood?

Accepted Answer

Muscle contraction

Question 15

A person follows the Canada Food Guide and chooses whole grains, a variety of fruits and vegetables, and plant-based proteins. Which recommendation are they following?

Accepted Answer

Emphasizing nutrient-dense, minimally processed foods

Question 16

Which of the following is an example of a phytochemical and its role?

Accepted Answer

Lycopene – may reduce risk of prostate cancer

Question 17

Which of the following best describes the process of protein synthesis?

Accepted Answer

Transcription of DNA to mRNA, then translation of mRNA to amino acid sequence

Question 18

Which of the following statements about essential and non-essential amino acids is correct?

Accepted Answer

Essential amino acids must be obtained from the diet; non-essential amino acids can be synthesized by the body.

Question 19

A 25-year-old athlete is planning her diet. According to energy recommendations for athletes, which macronutrient should provide the majority of her energy intake?

Accepted Answer

Carbohydrates

Question 20

Which of the following is a new recommendation for low-risk alcohol consumption in Canada?

Accepted Answer

No more than 2 standard drinks per week for all adults

Step-by-Step Guidance for Nutrition Exam Questions

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