Q: According to the Dietary Reference Intakes (DRIs), which equation would you use to calculate the Recommended Dietary Allowance (RDA) if you know the Estimated Average Requirement (EAR) and the standard deviation (SD) of the requirement?

$$\text{RDA} = \text{EAR} + 2 \times \text{SD}$$

Question 1

Which of the following best describes the definition of 'nutrition' as presented in the course materials?

Accepted Answer

The sum of all processes involved in how organisms obtain nutrients, metabolize them, and use them to support all of life's processes, including growth, maintenance, and repair of tissues.

Question 2

A patient is experiencing muscle cramps. As a physical therapist, which nutrient deficiency would you most likely suspect, and what is your next step according to scope of practice?

Accepted Answer

Electrolytes (such as potassium or magnesium); refer to a Registered Dietitian for further assessment.

Question 3

Which of the following is NOT one of the six classes of nutrients?

Accepted Answer

Fiber

Question 4

According to the Dietary Reference Intakes (DRIs), which equation would you use to calculate the Recommended Dietary Allowance (RDA) if you know the Estimated Average Requirement (EAR) and the standard deviation (SD) of the requirement?

Accepted Answer

$$	ext{RDA} = 	ext{EAR} + 2 	imes 	ext{SD}$$

Question 5

Which dietary pattern is most broadly recommended for its evidence-based health benefits?

Accepted Answer

Mediterranean Diet

Question 6

A nurse is counseling a pregnant patient who is taking 500 mg of magnesium per day, which is 250 mg above the Tolerable Upper Intake Level (UL). What is the most appropriate action?

Accepted Answer

Refer the patient to a Registered Dietitian for assessment and guidance.

Question 7

Which of the following is a key characteristic of a healthful diet?

Accepted Answer

Includes a variety of fruits, vegetables, whole grains, and lean proteins

Question 8

What is the main difference between a Registered Dietitian (RD) and a nutritionist?

Accepted Answer

A Registered Dietitian is a nutritionist, but a nutritionist is not necessarily a Registered Dietitian.

Question 9

Which of the following is an example of a federal nutrition program aimed at improving public health?

Accepted Answer

Supplemental Nutrition Assistance Program (SNAP)

Question 10

A client is exhibiting symptoms of anemia and has low iron lab levels. According to the scope of practice, who is qualified to recommend an iron supplement?

Accepted Answer

Registered Dietitian

Question 11

Which of the following is a primary reason for the regulation and certification of nutrition professionals?

Accepted Answer

To ensure consumers can access qualified professionals who provide safe and ethical nutrition therapy.

Question 12

Which of the following is NOT a component of the Acceptable Macronutrient Distribution Range (AMDR)?

Accepted Answer

Vitamins

Question 13

A dietitian is working with a collegiate athlete to optimize muscle building. Which nutrient should be prioritized and why?

Accepted Answer

Protein, because it provides amino acids necessary for muscle repair and growth.

Question 14

Which of the following statements about the scope of practice for non-dietitian health professionals is correct?

Accepted Answer

They can discuss general nutrition information aligned with national guidelines.

Question 15

Which of the following is a major determinant of health that can be influenced by nutrition?

Accepted Answer

Dietary patterns

Question 16

If a food contains 9 grams of fat, 4 grams of protein, and 20 grams of carbohydrate, what is the total caloric content? (Use: Fat = 9 kcal/g, Protein = 4 kcal/g, Carbohydrate = 4 kcal/g)

Accepted Answer

$$9 	imes 9 + 4 	imes 4 + 20 	imes 4 = 81 + 16 + 80 = 177$$ kcal

Question 17

Which of the following is a negative consequence of orthorexia?

Accepted Answer

Hyperfixation on healthy eating leading to negative social and psychological outcomes

Question 18

Which of the following is a key goal of the Healthy People 2030 initiative?

Accepted Answer

Improve national health through evidence-based dietary guidelines and public health programs.

Question 19

A Dietetics Technician Registered (DTR) is qualified to:

Accepted Answer

Work under the supervision of a Registered Dietitian to conduct patient screenings and provide general nutrition education.

Question 20

Which of the following is a practical strategy to limit intake of ultra-processed foods?

Accepted Answer

Increase consumption of fruits, vegetables, and whole grains.

Foundations of Nutrition: Science, Healthful Eating, and Professional Practice

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