Which principle is included in the Guidelines for Healthy Americans?
Reduce sodium intake
Reduce nutrient density
Decrease polyunsaturated fats
Increase intake of trans fats
The Correct Answer is A
A. The Dietary Guidelines for Americans recommend reducing sodium intake to help prevent hypertension and cardiovascular disease. Excess sodium is linked to elevated blood pressure, which increases the risk of heart attack, stroke, and kidney disease. Guidelines suggest limiting sodium to less than 2,300 mg per day for adults and even lower for individuals at risk.
B. Reducing nutrient density is not recommended. In fact, the guidelines emphasize increasing nutrient-dense foods, meaning foods rich in vitamins, minerals, fiber, and other beneficial nutrients relative to calories, to support overall health.
C. The guidelines encourage choosing healthy fats, including polyunsaturated and monounsaturated fats, instead of saturated and trans fats. Decreasing polyunsaturated fats would contradict recommendations for heart-healthy dietary patterns.
D. Increasing intake of trans fats is strongly discouraged because trans fats raise LDL cholesterol, lower HDL cholesterol, and increase the risk of heart disease. The guidelines specifically recommend eliminating or minimizing trans fat intake.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A normal BMI is defined as 18.5 to 24.9 kg/m². BMI is a screening tool used to assess body weight relative to height and estimate body fat. Values within this range are associated with a lower risk of weight-related health problems, including cardiovascular disease, diabetes, and certain metabolic disorders.
B. A BMI of 40 kg/m² is classified as class III obesity (severe or morbid obesity). Individuals in this range are at high risk for multiple health complications, including heart disease, hypertension, and type 2 diabetes.
C. A BMI of 25 to 29 kg/m² falls into the overweight category. While not as severe as obesity, being overweight still increases the risk of metabolic and cardiovascular conditions.
D. A BMI of less than 18.5 kg/m² is considered underweight. Being underweight can indicate malnutrition, eating disorders, or underlying medical conditions and is associated with increased risk for anemia, osteoporosis, and impaired immune function.
Correct Answer is B
Explanation
A. Whole grains do not directly prevent or reduce respiratory diseases. Respiratory health is more influenced by factors such as smoking, air quality, and infections rather than whole grain consumption.
B. Whole grains are high in dietary fiber, especially soluble fiber, which helps lower blood cholesterol levels by binding cholesterol in the digestive tract and facilitating its excretion. Consuming whole grains like oats, barley, brown rice, and whole wheat has been shown to reduce LDL cholesterol (“bad” cholesterol) and improve overall heart health, thereby lowering the risk of cardiovascular disease.
C. Whole grains are not a direct intervention for migraine headaches. While a balanced diet supports overall health, there is no strong evidence linking whole grains to migraine prevention.
D. Whole grains do not directly reduce arthritis symptoms. Anti-inflammatory diets can help joint health, but whole grains alone are not considered a treatment or preventive measure for arthritis.
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