Portage Learning Nutrition Exam 3 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Portage Learning Nutrition Exam 3 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What vitamin is essential for calcium absorption in the small intestine? Vitamin D What mineral is necessary for red blood cell production and oxygen transport? Iron What nutrient acts as a coenzyme in energy metabolism and helps convert food into energy? B vitamins What is the primary role of vitamin K in the body? Blood clotting What mineral helps regulate fluid balance and is a major extracellular ion? Sodium 2 What mineral is the main component of bones and teeth? Calcium What vitamin deficiency can lead to night blindness? Vitamin A What mineral is required for thyroid hormone production? Iodine What is a major function of magnesium in the body? Muscle and nerve function What vitamin helps prevent neural tube defects during pregnancy? Folate What nutrient deficiency is most commonly associated with scurvy? Vitamin C 3 What vitamin supports collagen synthesis and boosts immune function? Vitamin C What mineral supports insulin function and glucose metabolism? Chromium What mineral is a key part of hemoglobin? Iron What condition results from a deficiency of vitamin B12? Pernicious anemia What mineral plays a critical role in nerve impulse transmission? Potassium What trace mineral helps protect cells from oxidative damage? Selenium 4 What vitamin is synthesized by bacteria in the large intestine? Vitamin K What is the term for a substance that increases urine production? Diuretic What vitamin is needed for proper vision, especially in low light?