Biology ยท Science General
Health and Nutrition
1,950 Questions
Health and nutrition questions explore the benefits of physical activity, chronic disease prevention, and dietary choices. This topic bridges human biology with everyday wellness, appearing in general science papers. Practice these questions to master concepts related to healthy lifestyles and aging.
Physical activity benefitsChronic disease preventionWorkplace wellness programsHealthy aging strategiesNutritional supplement benefits
Health and Nutrition Questions
A
Correct answer
Explanation
Food intolerances (such as to gluten, dairy, or specific compounds) can cause inflammation, water retention, and metabolic disruptions that lead to weight gain. Most people never undergo elimination diets or medical testing to identify these hidden sensitivities.
B
Correct answer
Explanation
The statement claims adding carrots would be unlikely to produce weight loss, which is marked false. Carrots are low-calorie, high-fiber foods that can create satiety and potentially reduce overall calorie intake when substituted for higher-calorie foods. Therefore, they could contribute to weight loss.
B
Correct answer
Explanation
Negative emotions like repulsion toward your body can actually hinder weight loss efforts by increasing stress and emotional eating patterns. Self-acceptance combined with healthy habits is more effective than self-criticism or disgust-based motivation.
A
Correct answer
Explanation
Mindful eating focuses on being fully present during meals - noticing textures, flavors, smells, and the eating experience. This practice helps people recognize satiety cues earlier, reduce overeating, and develop healthier relationships with food, supporting weight loss efforts.
A
Correct answer
Explanation
Childhood weight patterns often establish psychological and behavioral patterns around food that persist into adulthood. Early associations between food, comfort, coping, or family dynamics continue influencing eating habits and weight regulation even if the original psychological drivers are unconscious.
A
Correct answer
Explanation
Studies have shown that owning a cat can indeed lower blood pressure and reduce stress levels. The act of petting a cat releases oxytocin and reduces cortisol, helping people feel calmer and more relaxed.
B
Correct answer
Explanation
Exercise is beneficial for people with asthma when properly managed. Many athletes have asthma and control it with pre-exercise medication. Regular exercise improves overall health and lung function, though asthma triggers should be discussed with a doctor.
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Nearly 50% of all US adults are overweight or obese.
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Nearly 60% of all US adults are overweight or obese.
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Nearly 70% of all US adults are overweight or obese.
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Nearly 80% of all US adults are overweight or obese.
C
Correct answer
Explanation
CDC and NIH data consistently show that approximately 70% of American adults are overweight or obese, with about 40% falling into the obese category alone. This statistic has remained relatively stable since the early 2000s, making option C the correct answer.
A
Correct answer
Explanation
Nicotine in cigarette smoke acts as a stimulant that causes immediate cardiovascular effects. Within seconds of inhalation, nicotine triggers the release of adrenaline and other hormones that cause blood vessels to constrict and the heart to beat faster, resulting in a rapid increase in blood pressure. An increase of 10-20 points (mmHg) is a well-documented acute effect of smoking. Therefore, True is correct.
B
Correct answer
Explanation
The statement claims smoking raises HDL (good cholesterol) levels. In reality, smoking has the opposite effect - it LOWERS HDL cholesterol levels. HDL is considered good because it helps remove cholesterol from arteries. Smoking reduces HDL levels while increasing LDL (bad cholesterol) and triglycerides, contributing to cardiovascular disease risk. Therefore, False is the correct answer.
A
Correct answer
Explanation
Smoking reduces bone density and interferes with calcium absorption, significantly increasing the risk of osteoporosis and bone fractures. Smokers have higher rates of bone loss and slower healing after fractures.
B
Correct answer
Explanation
False - Coffee and cold showers may temporarily increase alertness but do NOT speed alcohol metabolism or reduce blood alcohol concentration. Only time allows the liver to metabolize alcohol.
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Improved aerobic capacity for oxygen-intensive exercises like squats, deadlifts etc.
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Bodyfat Control
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Heart Health
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All Of the Above
D
Correct answer
Explanation
Cardio provides multiple benefits: improved aerobic capacity supports oxygen-intensive lifting, aids bodyfat regulation through caloric expenditure, and strengthens cardiovascular health. Each option A-C is independently valid, making D the correct comprehensive answer.
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Training like the bodybuilding pros will make you huge.
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Hundreds of crunches every day will give you a ripped sixpack.
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Weight training will make you stiff and inflexible.
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All of the Above
D
Correct answer
Explanation
All three are common fitness myths. Pros use drugs and genetics average people lack. Spot reduction is impossible - bodyfat is systemic. Proper weight training through full range maintains or improves flexibility. These misconceptions persist despite contrary evidence.
B
Correct answer
Explanation
Sweat is the body's cooling mechanism, not an indicator of calorie burn or cardiovascular effectiveness. You can sweat without significant calorie expenditure (hot environment) and burn substantial calories without visible sweat (swimming, cold weather running). Cardiovascular fitness is better measured by heart rate, endurance, and VO2 max improvements.