Nokea
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.
You may also like to solve these questions
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.
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.
Which are recommendations for dietary changes during pregnancy?
- A. Double the amount of iron that was consumed prepregnancy
- B. Double the calorie intake since the woman is 'eating for two' now
- C. Increase folic acid to prevent nervous system birth defects
- D. Increase calories by 300 per day during pregnancy
- E. Limit sugar and use any artificial sweeteners to prevent unnecessary weight gain
Correct Answer: A,C,D
Rationale: During pregnancy, iron needs increase to support blood volume expansion, folic acid is critical to prevent neural tube defects, and an additional 300 calories per day is recommended. Doubling calorie intake is excessive, and artificial sweeteners should be used cautiously.
The primary function of carbohydrates as a food source is to:
- A. regulate metabolic processes
- B. build body tissue
- C. supply energy
- D. provide bulk
Correct Answer: C
Rationale: Carbohydrates are the body's primary source of energy, providing 4 kcal per gram and serving as the main fuel for cellular processes.
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.