Practice MCQs
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Showing 10 of 311 total MCQs (page 6 of 32)
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Explanation: BMI = Weight (kg) ÷ Height² (m²). It is used to assess whether a person has a healthy body weight. Normal BMI is 18.5-24.9; overweight is 25-29.9; obese is 30+.
Explanation: Red meat and spinach are among the richest dietary sources of iron. Iron is essential for producing hemoglobin in red blood cells that carries oxygen throughout the body.
Explanation: Carbohydrates are the body's preferred and most efficient source of energy. They are broken down into glucose, which cells use for fuel. Brain cells rely almost exclusively on glucose.
Explanation: Proteins are the building blocks of muscle tissue. They consist of amino acids and are essential for growth, repair and maintenance of body tissues.
Explanation: Scurvy is caused by a deficiency of Vitamin C (ascorbic acid). It causes weakness, anemia, gum disease and skin hemorrhages. Citrus fruits are rich sources of Vitamin C.