Q: Which of the following equations correctly represents the calculation of Body Mass Index (BMI)?

$BMI = \\frac{weight \\ (kg)}{height \\ (m)^2}$

Question 1

Which of the following best describes the primary function of carbohydrates in the human diet?

Accepted Answer

To supply the body with a quick and efficient source of energy

Question 2

A patient is diagnosed with iron-deficiency anemia. Which dietary recommendation would be most effective in improving their iron status?

Accepted Answer

Consume more red meat and pair it with vitamin C-rich foods

Question 3

According to the 'Choose My Plate' guidelines, which of the following meal compositions best aligns with the recommended proportions?

Accepted Answer

Half the plate fruits and vegetables, one quarter grains, one quarter protein, and a serving of dairy

Question 4

A 25-year-old athlete wants to optimize muscle protein synthesis after resistance training. Which meal would be most effective?

Accepted Answer

A meal containing both high-quality protein and carbohydrates

Question 5

Which of the following equations correctly represents the calculation of Body Mass Index (BMI)?

Accepted Answer

$BMI = \frac{weight \ (kg)}{height \ (m)^2}$

Question 6

A child is diagnosed with rickets. Which nutrient deficiency is most likely responsible, and what is its primary function?

Accepted Answer

Vitamin D; calcium absorption and bone mineralization

Question 7

During pregnancy, which nutrient's requirement increases the most to support fetal neural development?

Accepted Answer

Folate (Vitamin B9)

Question 8

A 60-year-old adult is concerned about osteoporosis. Which combination of nutrients is most important for bone health?

Accepted Answer

Calcium and vitamin D

Question 9

Which of the following best explains why unsaturated fats are considered healthier than saturated fats?

Accepted Answer

Unsaturated fats are less likely to contribute to atherosclerosis

Question 10

A patient with lactose intolerance is advised to avoid which of the following foods?

Accepted Answer

Milk and soft cheeses

Question 11

Which of the following is a key function of dietary fiber in the human body?

Accepted Answer

Promotes healthy bowel movements and reduces cholesterol

Question 12

A 35-year-old woman is following a vegan diet. Which nutrient is she at greatest risk of being deficient in, and why?

Accepted Answer

Vitamin B12, because it is primarily found in animal-derived foods

Question 13

Which of the following best describes the process of digestion in the small intestine?

Accepted Answer

Enzymatic breakdown of macronutrients and absorption of nutrients

Question 14

A nutrition label states that a food contains 10 grams of fat, 20 grams of carbohydrate, and 5 grams of protein per serving. What is the total caloric content per serving? (Use: fat = 9 kcal/g, carbohydrate = 4 kcal/g, protein = 4 kcal/g)

Accepted Answer

$(10 \times 9) + (20 \times 4) + (5 \times 4) = 90 + 80 + 20 = 190$ kcal

Question 15

Which of the following statements about water-soluble vitamins is correct?

Accepted Answer

They are easily excreted in urine and need to be consumed regularly

Question 16

A 45-year-old man is diagnosed with hypertension. Which dietary modification is most likely to help lower his blood pressure?

Accepted Answer

Reduce sodium intake and increase consumption of fruits and vegetables

Question 17

Which of the following best explains the role of antioxidants in the diet?

Accepted Answer

They neutralize free radicals and reduce oxidative stress

Question 18

A 70-year-old woman is experiencing decreased bone density. Which lifestyle factor is most likely contributing to her condition?

Accepted Answer

Low physical activity and insufficient calcium/vitamin D intake

Question 19

Which of the following is the correct sequence of events in the digestion and absorption of dietary fats?

Accepted Answer

Emulsification by bile, enzymatic breakdown by lipases, absorption into lymphatic system

Question 20

A 16-year-old adolescent is experiencing rapid growth and increased physical activity. Which macronutrient should be emphasized to support these changes?

Accepted Answer

Protein, to support tissue growth and repair

Nutrition Course Weekly Topics and Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards