HUN1201 Midterm Exam Questions and Answers 2022/2023 | Verified Answers] (IRSC) 1. Differentiate among the RDA the AI the UL and the EAR.: The Recommended Dietary Allowance (RDA) serves as an intake goal that meets the requirement of most healthy people of a given age and gender; RDAs have been set...
Differentiate among the RDA the AI the UL and the EAR. - Correct Answer-The
Recommended Dietary Allowance (RDA) serves as an intake goal that meets the
requirement of most healthy people of a given age and gender; RDAs have been set for
carbohydrates protein essential fatty acids and most vitamins and minerals. The
Adequate Intake (AI) provides a suggested daily intake of a nutrient to meet body needs
and support health when there is insufficient research to develop an RDA. The
Tolerable Upper Intake Level (UL) is the highest amount of a nutrient that can be
consumed safely with no risk of toxicity or adverse effects. The UL is used to evaluate
the safety of supplements. The Estimated Average Requirement (EAR) is the average
daily intake of a nutrient that will meet the requirement of 50% of healthy people of a
given age and gender. The EAR is used to evaluate the nutrient intakes of groups rather
than individuals
These are the building blocks for making and repairing body tissues. - Correct Answer-
Amino acids
What chemicals found in fruits and vegetables appear to have cancer-fighting properties
- Correct Answer-Phytochemicals
What is nutrigenetics? - Correct Answer-Nutrigenetics through human gene mapping
helps scientists learn how slight variations in our genetic code affect our nutrient needs
and susceptibility to particular diseases.
What is homeostasis? - Correct Answer-Homeostasis is a state of dynamic equilibrium
within the body's internal environment—a balance achieved through the control of
various interrelated physiologic mechanisms.
What are the functions of macronutrients? - Correct Answer-The macronutrients—
carbohydrates fats and protein—supply energy and build tissue.
What are the three general functions of nutrients? - Correct Answer-To provide energy
To build and repair body tissues and structures To regulate the metabolic processes
that maintain homeostasis and support life
Which groups of people are particularly vulnerable to foodborne illness? - Correct
Answer-Older adults children (especially under the age of 5) pregnant women and
patients with compromised immune function (e.g. due to acquired immunodeficiency
syndrome [AIDS] or cancer)
Name the four secretions that chemically digest food. - Correct Answer-Enzymes
Hydrochloric acid and buffer ions Mucus Water and electrolytes
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