Question 1

Which of the following best describes a nutrient that is 'conditionally essential'?

Accepted Answer

A nutrient that is normally non-essential, but must be supplied by the diet under certain physiological or pathological conditions.

Question 2

Which of the following statements about the energy provided by macronutrients is correct?

Accepted Answer

Carbohydrates and protein each provide $$4$$ kcal/g, fat provides $$9$$ kcal/g, and alcohol provides $$7$$ kcal/g.

Question 3

A person is following a diet that is adequate, balanced, calorie-controlled, moderate, and varied. Which concept is being applied?

Accepted Answer

The five characteristics of a healthy diet.

Question 4

Which of the following is a key difference between a randomized controlled trial (RCT) and an epidemiological study in nutrition research?

Accepted Answer

An RCT can establish causality by controlling variables, while an epidemiological study can only identify associations.

Question 5

Which of the following is NOT a valid characteristic of nutrition quackery?

Accepted Answer

Recommendations based on scientific consensus and peer-reviewed research.

Question 6

A food label states that a product is 'high in fibre.' According to Canadian food labelling standards, this is an example of:

Accepted Answer

A nutrient content claim.

Question 7

Which of the following best describes the difference between refined, enriched, and whole-grain products?

Accepted Answer

Refined grains have had the bran and germ removed, enriched grains have some nutrients added back, and whole-grain products contain the entire grain kernel.

Question 8

A patient presents with symptoms of lactose intolerance. Which of the following is the most likely explanation?

Accepted Answer

A deficiency of the enzyme lactase, leading to undigested lactose in the intestine.

Question 9

Which of the following foods is most likely to have a high glycemic index?

Accepted Answer

White bread

Question 10

Which of the following statements about omega-3 and omega-6 fatty acids is correct?

Accepted Answer

Both omega-3 and omega-6 fatty acids are essential and must be obtained from the diet.

Question 11

A 70 kg adult requires $$0.8 g of $$protein per kg of body weight per day. How much protein should this person consume daily?

Accepted Answer

$$56 g$$

Question 12

Which of the following is a valid reason for taking a vitamin supplement?

Accepted Answer

To treat a diagnosed deficiency that cannot be corrected by diet alone.

Question 13

Which of the following minerals is most important for the prevention of osteoporosis, and what is the best time to maximize its intake for bone health?

Accepted Answer

Calcium; during childhood and adolescence to maximize peak bone mass

Question 14

A 25-year-old athlete is training for a marathon. Which of the following strategies would best help maintain blood glucose concentrations during endurance activity?

Accepted Answer

Consuming moderate amounts of carbohydrate before and during exercise.

Question 15

Which of the following statements about water balance in the body is correct?

Accepted Answer

Water intake must always equal water output to maintain homeostasis.

Question 16

A person with a BMI of $$32 kg/m$^2$$ would be classified as:

Accepted Answer

Obese

Question 17

Which of the following is a limitation of using BMI as a measure of health?

Accepted Answer

BMI does not distinguish between muscle and fat mass.

Question 18

Which of the following is a characteristic of a water-soluble vitamin?

Accepted Answer

It is easily excreted in urine and must be consumed regularly.

Question 19

Which of the following best describes the role of leptin in body weight regulation?

Accepted Answer

Leptin decreases appetite and increases energy expenditure.

Question 20

A person is experiencing frequent heartburn. Which of the following strategies is most likely to help alleviate their symptoms?

Accepted Answer

Eating smaller, more frequent meals and avoiding trigger foods.

Comprehensive Study Guide: Core Concepts in Nutrition (HNSC 1210)

Study Guide - Practice Questions

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