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HLTH 4320 NUTRITION ACROSS THE LIFESPAN COMPLETED EXAM WITH RATIONALES 2024
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HLTH 4320 NUTRITION ACROSS THE LIFESPAN COMPLETED EXAM WITH RATIONALES 2024
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HLTH 4320Nutrition Across the
Lifespan
COMPLETED EXAM w/
RATIONALES
2024
, 1. Which of the following is a macronutrient that provides energy and is
essential for building and repairing body tissues?
a) Carbohydrate
b) Protein*
c) Vitamin
d) Mineral
Rationale: Protein is a macronutrient that provides 4 kcal/g of energy and
is composed of amino acids that are the building blocks of body tissues.
Carbohydrate and fat are also macronutrients that provide energy, but they
are not essential for tissue synthesis. Vitamin and mineral are
micronutrients that do not provide energy, but are involved in various
metabolic functions.
2. What is the recommended dietary allowance (RDA) of protein for a
healthy adult?
a) 0.8 g/kg of body weight*
b) 1.2 g/kg of body weight
c) 1.6 g/kg of body weight
d) 2.0 g/kg of body weight
Rationale: The RDA of protein for a healthy adult is 0.8 g/kg of body
weight, which is based on the average requirement plus a margin of safety.
The RDA may vary depending on age, gender, activity level, and health
status. The other options are higher than the RDA and may be appropriate
for some individuals with increased protein needs, such as athletes,
pregnant women, or people with certain medical conditions.
3. Which of the following is a condition that results from inadequate
protein intake or poor protein quality in the diet?
a) Kwashiorkor*
b) Marasmus
c) Scurvy
d) Beriberi
Rationale: Kwashiorkor is a form of protein-energy malnutrition that
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