Exam (elaborations)
NUT1501 EXAM PACK 2022
- Institution
- University Of South Africa (Unisa)
Latest exam pack questions and answers and summarized notes for exam preparation. for assistance. All the best on your exams!!
[Show more]
2 reviews
By: mtshwenilungile • 3 months ago
By: snokwanda357 • 6 months ago
Content preview
NUT1501EXAM PACK
, QUESTION 1 [26]
1.1 Identify the four categories of Dietary Reference Intakes (DRIs) and indicate the use of
each one. (12)
Estimated Average Requirement (EAR) (1): the average daily amount of a nutrient that will
maintain a specific biochemical or physiological function in half the healthy people (2)
Recommended Dietary Allowance (RDA(1)): the average daily amount of a nutrient
considered adequate to meet the known nutrient needs of practically all healthy people; goal
for dietary intake for individuals (2)
Adequate Intake (AI) (1): the average daily amount of nutrient that appears sufficient to
maintain a specific criterion; a value used as a guide for nutrient intake when an RDA can’t be
determined (2)
Tolerable Upper Intake Level (UL) (1): The maximum daily amount of a nutrient that appears
safe for most healthy people and beyond which there in an increased risk of adverse health
effects (2)
1.2 Why are DRIs used to evaluate and plan a diet for healthy people only and not for
people with specific disease conditions? (1)
Page 21 SG
Certain disease conditions increase or decrease one’s macro- or micro nutrient needs.
1.3 Briefly explain the concept “AMDR”. (2)
The AMDR is a reference range to give us an idea of which percentage of the energy
each of the three energy-yielding nutrients should contribute to the total energy intake
in a healthy diet which reduces the risk of chronic diseases.
1.4 Write down the AMDR reference ranges for carbohydrates, protein and fat for adults.(3)
Energy-yielding nutrient Adult
> 18 years
Carbohydrates 45- 65%
Protein 10-35%
Fat 20-35%
1.5 Draw a diagram to illustrate the terms “malnutrition”, “undernutrition” and
Page 1 of 8
This study source was downloaded by 100000799301222 from CourseHero.com on 11-08-2022 05:11:09 GMT -06:00
https://www.coursehero.com/file/24209653/NUT1501-2015-Assignment02-Memorandum-1doc/
, “overnutrition”. (8)
QUESTION 2 [11]
John is 38 years old and he has a healthy body weight and no health problems. He
consumes 250 g of carbohydrates, 130 g of fat and 300 g of protein per day. Please
show all your calculations when answering the questions below.
2.1 Calculate the energy provided by each of the energy-yielding nutrients. (3)
The energy provided by each of the energy-yielding nutrients:
Nutrients Total Calculation Total energy provided
Protein (g) 300 300 g protein x 17 5100 kJ (1)
g kJ/g
Fat (g) 130 130 g fat x 38 kJ/g 4940 kJ (1)
g
Carbohydrates (CHO) 250 250 g CHO x 17 kJ/g 4250 kJ (1)
(g) g
2.2 Calculate John’s total energy intake for the day. (1)
The total energy intake for the day = 5100 kJ + 4940 kJ + 4250kJ = 14290 kJ (1)
Page 2 of 8
This study source was downloaded by 100000799301222 from CourseHero.com on 11-08-2022 05:11:09 GMT -06:00
https://www.coursehero.com/file/24209653/NUT1501-2015-Assignment02-Memorandum-1doc/
, 2.3 Calculate the percentage of energy each of the energy-yielding nutrients contributes
to the total energy intake per day. (3)
Nutrients Total energy Calculations Percentage of
provided total energy
Protein (g) 5100kJ 5100kJ 14290 kJ 36% (1)
x 100 =
Fat (g) 4940 kJ 4940 kJ 14290 kJ 35% (1)
x 100 =
Carbohydrates 4250kJ 4250kJ 14290 kJ 30% (1)
(CHO) (g) x 100 =
2.4 Compare John’s intake with the AMDR and comment whether or not his macronutrient
distribution is acceptable. (4)
John’s carbohydrate intake is lower than the AMDR of 45-65% (1)
John’s fat intake is within the AMDR of 20-35% (1)
John’s protein intake is higher than the AMDR range of 10-35 % (1)
Therefore his macronutrient distribution is inadequate and dietary adjustment is
necessary (1)
QUESTION 3 S1 [14] S2 [12]
3.1 Define the following terms:
3.1.1 Nutrient-density. (2)
A measure of the nutrients a food provides relative to the energy it provides.
3.1.2 Energy-density. (2)
A measure of the energy a food provides relative to the amount of food
3.1.3 Empty-kcalorie foods. (2)
Food that contribute to energy but lack protein, vitamins and minerals
Page 3 of 8
This study source was downloaded by 100000799301222 from CourseHero.com on 11-08-2022 05:11:09 GMT -06:00
https://www.coursehero.com/file/24209653/NUT1501-2015-Assignment02-Memorandum-1doc/
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller iStudy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R50,00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
52510 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now