#1
Which of the following nutrients is considered a macronutrient?
Protein
ExplanationProtein is a macronutrient as it is required in large amounts for body function and structure.
#2
What is the primary function of carbohydrates in the body?
Provide quick energy
ExplanationCarbohydrates are the body's primary source of energy, providing quick fuel for various activities.
#3
What is the recommended daily intake of water for an average adult?
2 liters
ExplanationThe recommended daily intake of water for an average adult is around 2 liters, but it can vary based on factors like climate and activity level.
#4
Which mineral is essential for maintaining healthy bones and teeth?
Calcium
ExplanationCalcium is essential for maintaining strong bones and teeth, as well as supporting other bodily functions like muscle contraction and nerve transmission.
#5
Which of the following nutrients is primarily responsible for providing long-term energy storage?
Fat
ExplanationFat is the primary nutrient responsible for providing long-term energy storage in the body, serving as an energy reserve for times of need.
#6
What is the recommended daily intake of fruits and vegetables for adults?
3-5 servings
ExplanationAdults should aim to consume 3-5 servings of fruits and vegetables daily to meet their nutritional needs and promote overall health.
#7
Which vitamin is essential for proper blood clotting?
Vitamin K
ExplanationVitamin K is crucial for blood clotting, helping wounds to heal and preventing excessive bleeding.
#8
What is the role of dietary fiber in the body?
Regulates blood sugar levels
ExplanationDietary fiber aids in regulating blood sugar levels by slowing down the absorption of sugar into the bloodstream.
#9
What is the main source of omega-3 fatty acids?
Salmon
ExplanationSalmon is a rich source of omega-3 fatty acids, which are beneficial for heart health and brain function.
#10
What is the term for the body's energy expenditure at rest?
Basal metabolic rate
ExplanationBasal metabolic rate refers to the amount of energy expended by the body while at rest to maintain basic physiological functions.
#11
Which of the following is a water-soluble vitamin?
Vitamin C
ExplanationVitamin C is a water-soluble vitamin, meaning it dissolves in water and is not stored in the body, requiring regular intake to maintain adequate levels.
#12
What is the role of potassium in the body?
Maintaining fluid balance
ExplanationPotassium plays a crucial role in maintaining fluid balance, regulating blood pressure, and supporting proper nerve and muscle function.
#13
Which of the following is a complete protein source?
Quinoa
ExplanationQuinoa is considered a complete protein source as it contains all nine essential amino acids needed by the body.
#14
Which nutrient deficiency can lead to anemia?
Iron
ExplanationIron deficiency can lead to anemia, a condition characterized by a lack of healthy red blood cells to carry oxygen to the body's tissues.
#15
Which of the following nutrients is crucial for the synthesis of thyroid hormones?
Iodine
ExplanationIodine is essential for the synthesis of thyroid hormones, which regulate metabolism, growth, and development.
#16
Which of the following nutrients is essential for the formation and maintenance of healthy skin?
Vitamin E
ExplanationVitamin E is essential for the formation and maintenance of healthy skin, acting as an antioxidant and protecting skin cells from damage.
#17
Which of the following nutrients is crucial for the synthesis of collagen?
Vitamin C
ExplanationVitamin C is crucial for the synthesis of collagen, a protein that provides structure to skin, bones, and connective tissues.