OPERATING SYSTEMS QUESTION BANK
2026
◉ Sudha is a 3-year-old girl living in a developing nation that has
millions of children suffering from protein-energy malnutrition
(PEM). She is likely to have PEM if she experiences _____.
Answer: poor physical growth
◉ When amino acids are metabolized for energy, the nitrogen-
containing component is removed, and ammonia forms. What
happens to the ammonia?
Answer: The ammonia is converted to urea and excreted in the
urine.
◉ Approximately how many grams of protein per day should a
healthy 24-year-old male who weighs 166 pounds consume to meet
the RDA for protein for an adult? (Tip: One kilogram = 2.2 pounds).
Answer: 60
,◉ Approximately how many grams of protein per day should a
healthy 21-year-old woman who weighs 120 pounds consume to
meet the RDA for protein? (Tip: One kilogram = 2.2 pounds.)
Answer: 43.6
◉ A vegetarian diet generally ____ than a "Western diet."
Answer: supplies more dietary fiber
◉ Which of the following foods is a source of incomplete protein?
Answer: A handful of peanuts, walnuts, and cashews
◉ The adult RDA for protein is _____ per kilogram of body weight.
Answer: 0.8
◉ Which of the following statements is true about nuts and seeds?
(Check all that apply.)
Answer: Nuts and seeds are rich sources of healthy fats.
A 3-ounce serving of nuts or seeds provides about 20 grams of
protein.
Nuts and seeds, when combined with certain other plant sources of
protein, can make high-quality or complementary proteins.
◉ Proteins
, Answer: are comprised of amino acids.
◉ Which of the following statements is true?
Answer: Hemoglobin is the protein in red blood cells that transports
oxygen
◉ Which of the following substances participates in the digestion of
proteins?
Answer: pepsin
◉ Which of the following substances participates in the digestion of
proteins?
Answer: hydrochloric acid
◉ In the stomach, _____ participate in the chemical digestion of
protein.
Answer: hydrochloric acid and pepsin
◉ Which of the following foods is often responsible for causing an
allergic response in susceptible persons?
Answer: eggs