#1
Which of the following is a macronutrient?
Protein
ExplanationEssential for growth and repair of tissues.
#2
What is the main function of carbohydrates in the body?
Provide energy
ExplanationPrimary source of energy for the body.
#3
Which nutrient is the body's primary source of energy?
Carbohydrate
ExplanationProvides quick energy for body functions.
#4
What is the primary role of carbohydrates in the body?
Provide energy
ExplanationEssential for fueling brain and muscle function.
#5
Which of the following is a good source of dietary fiber?
Brown rice
ExplanationSupports digestion and helps prevent constipation.
#6
Which nutrient is essential for the formation of healthy bones and teeth?
Calcium
ExplanationCritical for bone and teeth strength.
#7
What is the recommended daily intake of fiber for adults?
25 grams
ExplanationPromotes digestive health and regularity.
#8
Which of the following is a good source of omega-3 fatty acids?
Salmon
ExplanationSupports heart and brain health.
#9
What is the primary role of vitamin D in the body?
Regulate calcium absorption
ExplanationCritical for bone health and immune function.
#10
What is the main function of vitamin C in the body?
Promoting wound healing
ExplanationSupports immune function and collagen synthesis.
#11
Which of the following is NOT a function of dietary fat in the body?
Promotion of bone health
ExplanationProvides insulation and protects organs.
#12
What is the primary function of vitamin E in the body?
Neutralize free radicals
ExplanationProtects cells from oxidative damage.
#13
Which mineral is essential for the formation of hemoglobin in red blood cells?
Iron
ExplanationCritical for oxygen transport in the blood.
#14
Which of the following nutrients is necessary for the production of thyroid hormones?
Selenium
ExplanationSupports thyroid gland function and metabolism.
#15
What is the main function of phosphorus in the body?
Building strong bones and teeth
ExplanationComponent of DNA, RNA, and ATP.
#16
Which of the following vitamins is water-soluble?
Vitamin B12
ExplanationNeeded for nerve function and red blood cell formation.
#17
Which of the following minerals is important for maintaining fluid balance in the body?
Sodium
ExplanationRegulates blood pressure and fluid balance.
#18
What is the primary function of antioxidants in the body?
Neutralize harmful free radicals
ExplanationProtects cells from damage and supports immune function.
#19
What is the recommended daily intake of sodium for adults?
Between 1500 mg and 2300 mg
ExplanationExcessive intake linked to high blood pressure.
#20
What is the primary function of vitamin K in the body?
Aiding in blood clotting
ExplanationEssential for proper blood clotting and bone health.
#21
Which of the following minerals is important for muscle function and nerve transmission?
Magnesium
ExplanationNeeded for over 300 biochemical reactions in the body.
#22
What is the primary function of vitamin B12 in the body?
Aid in red blood cell formation
ExplanationEssential for nerve function and DNA synthesis.
#23
Which of the following vitamins is necessary for collagen formation?
Vitamin C
ExplanationSupports skin elasticity and wound healing.
#24
What is the primary function of iodine in the body?
Supporting healthy thyroid function
ExplanationEssential for thyroid hormone synthesis.
#25
Which mineral plays a crucial role in muscle contraction and nerve transmission?
Potassium
ExplanationRegulates fluid balance and heart rhythm.