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.

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.

Correct Answer: C

Rationale: Dairy products, such as milk, cheese, and yogurt, are the richest sources of calcium per serving compared to other food groups.

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.

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.