#1
Which of the following is a major macronutrient essential for human health?
Protein
ExplanationEssential for tissue repair, muscle building, and overall body function.
#2
What is the role of fiber in a balanced diet?
Aids digestion
ExplanationPromotes regular bowel movements, prevents constipation, and supports gut health.
#3
Which of the following is a primary source of omega-3 fatty acids?
Salmon
ExplanationSupports heart health, reduces inflammation, and contributes to brain function.
#4
What is the primary role of the respiratory system in maintaining human health?
Exchanging gases
ExplanationOxygenates the blood and removes carbon dioxide, supporting cellular function.
#5
Which mineral is crucial for the proper functioning of muscles, including the heart?
Potassium
ExplanationMaintains electrolyte balance, supports muscle contraction, and helps regulate blood pressure.
#6
What is the recommended daily water intake for an average adult?
2 liters
ExplanationPromotes hydration, supports bodily functions, and aids in metabolism.
#7
Which lifestyle factor is most strongly associated with cardiovascular diseases?
Smoking
ExplanationIncreases risk of heart disease by damaging blood vessels and reducing oxygen flow.
#8
Which of the following is a micronutrient crucial for proper thyroid function?
Iodine
ExplanationEssential for the production of thyroid hormones, regulating metabolism.
#9
In terms of mental health, what does the acronym 'REM' stand for?
Rapid Eye Movement
ExplanationA phase of sleep associated with vivid dreams, memory consolidation, and emotional processing.
#10
What is the recommended frequency for cardiovascular exercise for adults?
Every day
ExplanationRegular physical activity lowers the risk of heart disease and improves overall cardiovascular health.
#11
Which hormone is responsible for regulating blood sugar levels in the body?
Insulin
ExplanationFacilitates glucose uptake, maintaining blood sugar levels within a healthy range.
#12
Which micronutrient is essential for the production of red blood cells?
Iron
ExplanationCritical for oxygen transport, energy production, and preventing anemia.
#13
What is the primary function of antioxidants in the body?
Neutralizing free radicals
ExplanationProtects cells from damage caused by free radicals, reducing the risk of chronic diseases.
#14
Which vitamin is synthesized by the skin when exposed to sunlight?
Vitamin D
ExplanationCritical for bone health, immune system support, and overall well-being.
#15
Which factor is a determinant of socioeconomic status and can influence health outcomes?
Educational attainment
ExplanationHigher education levels are linked to better health outcomes and access to resources.
#16
What is the term for the body's ability to resist or recover from an infectious disease?
Immunity
ExplanationThe body's defense system against pathogens, providing protection from infections.
#17
What is the impact of chronic stress on the immune system?
Suppresses immune function
ExplanationProlonged stress weakens the immune response, making the body more susceptible to illnesses.
#18
Which nutrient is essential for the formation and maintenance of healthy bones and teeth?
Calcium
ExplanationVital for bone structure, muscle function, and nerve transmission.
#19
Which lifestyle factor is linked to the development of Type 2 diabetes?
Obesity
ExplanationExcess body weight, especially around the abdomen, increases the risk of developing Type 2 diabetes.