,1. Multiple Choice: Which vitamin is most critical for calcium
absorption and bone health?
a) Vitamin A
b) Vitamin C
c) Vitamin D
d) Vitamin E
Correct Answer: c) Vitamin D
Rationale: Vitamin D is essential for calcium absorption in
the gut and maintains adequate serum calcium and
phosphate concentrations to enable normal bone
mineralization.
2. Fill-in-the-Blank: ________ is the process by which the
body converts food into energy.
Correct Answer: Metabolism
Rationale: Metabolism refers to the biochemical
processes that occur within a living organism to maintain
life, including the conversion of food to energy.
3. True/False: Omega-3 fatty acids can only be obtained
through diet and supplements.
Correct Answer: True
Rationale: Omega-3 fatty acids are essential fats that the
body cannot produce on its own, thus they must be
obtained through diet or supplements.
, c) Proteins
d) Carbohydrates
e) Fats
Correct Answers: c) Proteins, d) Carbohydrates, e) Fats
Rationale: Proteins, carbohydrates, and fats are the three
macronutrients that provide energy to the body.
5. Multiple Choice: What is the primary function of
antioxidants in the body?
a) To provide energy
b) To build proteins
c) To protect cells from damage
d) To aid in digestion
Correct Answer: c) To protect cells from damage
Rationale: Antioxidants protect the body's cells from
damage caused by free radicals, which can contribute to
the development of chronic diseases.
6. Fill-in-the-Blank: The recommended dietary allowance
(RDA) for protein for an average adult is _______ grams
per kilogram of body weight.
Correct Answer: 0.8
Rationale: The RDA for protein is 0.8 grams per kilogram
of body weight, which is enough to meet the nutritional
needs of most healthy adults.
7. True/False: Trans fats are considered healthy and
beneficial to include in a balanced diet.
Correct Answer: False
Rationale: Trans fats are associated with an increased
risk of heart disease and should be limited in a balanced
diet.
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