Applied Nutrition MCQs for nursing

1. Which nutrient is essential for the synthesis of collagen and helps in wound healing? A) Vitamin A B) Vitamin B12 C) Vitamin C D) Vitamin D Answer: C) Vitamin C 2.Which mineral is important for maintaining fluid balance and nerve transmission in the body? A) Calcium B) Potassium C) Iron D) Magnesium Answer: B) Potassium 3.What is the primary source of energy for the human body? A) Proteins B) Fats C) Carbohydrates D) Vitamins Answer: C) Carbohydrates 4.Which vitamin deficiency can lead to the development of rickets in children? A) Vitamin A B) Vitamin B12 C) Vitamin C D) Vitamin D Answer: D) Vitamin D 5.What is the recommended dietary allowance (RDA) for protein intake for an average adult? A) 0.5 grams per kilogram of body weight B) 0.8 grams per kilogram of body weight C) 1.2 grams per kilogram of body weight D) 1.5 grams per kilogram of body weight Answer: B) 0.8 grams per kilogram of body weight 6.Which vitamin is crucial for blood clotting and is synthesized by gut bacteria? A) Vitamin K B) Vitamin A C) Vitamin E D) Vitamin D Answer: A) Vitamin K 7.Which condition is characterized by a severe deficiency of protein and energy, leading to extreme weight loss and muscle wasting? A) Marasmus B) Kwashiorkor C) Scurvy D) Beriberi Answer: A) Marasmus 8.What is the function of dietary fiber in the human body? A) Provide energy B) Build muscle C) Aid in digestion and prevent constipation D) Synthesize hormones Answer: C) Aid in digestion and prevent constipation 9.Which nutrient is important for the production of red blood cells and prevents anemia? A) Vitamin C B) Iron C) Calcium D) Potassium Answer: B) Iron 10.Which of the following is a major source of omega-3 fatty acids? A) Butter B) Olive oil C) Salmon D) Chicken Answer: C) Salmon 11.What is the main function of carbohydrates in the body? A) Repair tissues B) Provide energy C) Transport oxygen D) Regulate hormones Answer: B) Provide energy 12.Which vitamin is known as the “sunshine vitamin” because it is synthesized in the skin upon exposure to sunlight? A) Vitamin A B) Vitamin B12 C) Vitamin C D) Vitamin D Answer: D) Vitamin D 13.Which nutrient is essential for proper thyroid function? A) Calcium B) Iodine C) Iron D) Vitamin E Answer: B) Iodine 14.Which food is a good source of complete protein? A) Rice B) Beans C) Eggs D) Broccoli Answer: C) Eggs 15.What is the primary function of vitamin A in the body? A) Bone health B) Immune function C) Vision and eye health D) Blood clotting Answer: C) Vision and eye health 16.Which mineral is most abundant in the human body and is essential for bone and teeth formation? A) Iron B) Calcium C) Zinc D) Magnesium Answer: B) Calcium 17.Which vitamin helps in the absorption of calcium from the digestive tract? A) Vitamin A B) Vitamin C C) Vitamin D D) Vitamin K Answer: C) Vitamin D 18.What is the recommended daily intake of dietary fiber for adults? A) 10-15 grams B) 20-25 grams C) 25-30 grams D) 30-35 grams Answer: C) 25-30 grams 19.Which condition results from a deficiency of vitamin B12? A) Scurvy B) Pellagra C) Pernicious anemia D) Rickets Answer: C) Pernicious anemia 20.Which type of fat is considered the healthiest for the heart? A) Saturated fats B) Trans fats C) Monounsaturated fats D) Polyunsaturated fats Answer: C) Monounsaturated fats