From a public health perspective, how is the term "obesity" defined?
An abnormally high storage of glucose in the liver and muscles
An increase in lean muscle mass relative to height
An excessive accumulation of body fat that may impair health
A temporary increase in total body water and fluid retention
The Correct Answer is C
A. Excess glucose storage in the liver and muscles is not the defining feature of obesity. While glucose is stored as glycogen, it represents a small portion of energy reserves compared to body fat.
B. An increase in lean muscle mass relative to height may increase body weight, but it does not constitute obesity, which is specifically related to excessive body fat rather than muscle.
C. Obesity is defined as an excessive accumulation of body fat that may impair health. It is commonly assessed using body mass index (BMI), waist circumference, and body fat percentage. Obesity increases the risk of chronic diseases such as type 2 diabetes, cardiovascular disease, hypertension, and certain cancers. Public health guidelines emphasize prevention and management through diet, physical activity, and lifestyle interventions.
D. Temporary increases in total body water or fluid retention, such as edema, do not define obesity. These changes are transient and not related to the long-term accumulation of fat.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is A
Explanation
A. Avoiding strong or unusual odors can help reduce nausea and vomiting associated with morning sickness. Many pregnant women are particularly sensitive to smells, and minimizing exposure to odors from cooking, perfumes, or chemicals can help alleviate symptoms.
B. Drinking large amounts of fluids with meals may worsen nausea. Instead, it is recommended to drink small amounts of fluids between meals to stay hydrated without triggering vomiting.
C. Eating larger portions at each meal can increase nausea and vomiting. Smaller, more frequent meals are more effective in managing morning sickness by preventing the stomach from becoming too empty or overly full.
D. Fiber is important for preventing constipation during pregnancy. Reducing fiber intake is not recommended, as it does not alleviate morning sickness and may lead to other digestive problems.
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