#1
Which nutrient is the body's primary source of energy?
Carbohydrates
ExplanationCarbohydrates are the main source of energy for the body, providing fuel for various physiological functions.
#2
Which of the following is NOT a component of physical fitness?
Creativity
ExplanationCreativity is not typically considered a component of physical fitness, which includes aspects like cardiovascular endurance, strength, and flexibility.
#3
Which of the following is a common symptom of stress?
Muscle tension
ExplanationMuscle tension is a common symptom of stress, leading to physical discomfort and tightness.
#4
What is the term for the process of breaking down food into smaller components that can be absorbed by the body?
Digestion
ExplanationDigestion is the process of breaking down food into smaller components, facilitating absorption and utilization by the body.
#5
Which of the following is a common symptom of anxiety?
Excessive sweating
ExplanationExcessive sweating is a common symptom of anxiety, often associated with the body's stress response.
#6
What is the recommended amount of physical activity per week for adults according to WHO?
2 hours and 30 minutes
ExplanationThe World Health Organization recommends adults engage in at least 150 minutes of moderate-intensity aerobic activity per week.
#7
Which of the following is NOT a benefit of regular exercise?
Decreased muscle mass
ExplanationRegular exercise typically leads to increased muscle mass, not decreased.
#8
What is the term for the inability to fall asleep or stay asleep?
Insomnia
ExplanationInsomnia is characterized by difficulties in falling asleep or maintaining sleep, affecting overall sleep quality.
#9
What is the recommended daily intake of water for adults?
2 liters
ExplanationAdults are generally recommended to consume about 2 liters (or 8 cups) of water per day to maintain proper hydration.
#10
Which of the following activities is considered a relaxation technique?
Yoga
ExplanationYoga is a popular relaxation technique that combines physical postures, breath control, and meditation to promote overall well-being.
#11
Which of the following is a micronutrient?
Vitamin C
ExplanationVitamin C is a micronutrient, essential for various bodily functions, and needs to be obtained through the diet in small amounts.
#12
What is the recommended amount of fruit and vegetable servings per day for adults according to dietary guidelines?
5-6 servings
ExplanationDietary guidelines recommend adults consume 5-6 servings of fruits and vegetables daily for optimal health and nutrition.
#13
Which of the following nutrients is essential for the formation and repair of body tissues?
Protein
ExplanationProtein is crucial for the formation and repair of body tissues, including muscles, skin, and organs.
#14
Which of the following is NOT a component of a balanced diet?
Processed foods
ExplanationProcessed foods are generally not considered a component of a balanced diet; a balanced diet emphasizes whole, nutrient-dense foods.
#15
Which of the following nutrients is important for the proper functioning of the nervous system?
Vitamin B12
ExplanationVitamin B12 is essential for the proper functioning of the nervous system, playing a crucial role in nerve cell health and function.