Nokea
The primary function of protein in the body is to:
- A. supply energy
- B. regulate metabolic processes
- C. control muscle contractions
- D. build tissue
Correct Answer: D
Rationale: Proteins are essential for building and repairing tissues, such as muscles, organs, and skin, and are critical for growth and maintenance.
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Which foods are commonly fortified with vitamin D?
- A. Flour
- B. Cereal
- C. Milk
- D. Tuna
- E. Margarine
Correct Answer: B,C,E
Rationale: Cereals, milk, and margarine are commonly fortified with vitamin D to help prevent deficiencies, especially in populations with limited sun exposure.
A patient with a BMI of 22 should be considered:
- A. overweight
- B. at a healthy weight
- C. underweight
- D. obese
Correct Answer: B
Rationale: A BMI of 22 falls within the healthy weight range (18.5-24.9), indicating a balanced body weight for height.
A characteristic of saturated fats is that they are:
- A. found primarily in animal products
- B. liquid at room temperatures
- C. composed of many double bonds
- D. found primarily in vegetable products
Correct Answer: A
Rationale: Saturated fats are primarily found in animal products like meat and dairy and are solid at room temperature due to their lack of double bonds.
The largest source of sodium in the typical American diet is:
- A. processed foods
- B. salt added at the table
- C. salt added while cooking
- D. foods naturally high in salt
Correct Answer: A
Rationale: Processed foods, such as canned goods, snacks, and fast foods, contribute the majority of sodium in the American diet due to added salt and preservatives.
Rickets is caused by a deficiency of which vitamin?
- A. Vitamin A
- B. Cobalamin
- C. Niacin
- D. Vitamin D
Correct Answer: D
Rationale: Rickets is caused by a deficiency of vitamin D, which is necessary for calcium absorption and bone mineralization.