NSC Exam 3 Practice Test questions and answers 2025.

NSC Exam 3 Practice Test questions and
answers 2025
Functions of Vitamin A - ANSWER Vision and cell differentiation



Main function of vitamin E - ANSWER antioxidant



Performing weight bearing exercise can _________ - ANSWER Strengthen bones



When the concentration of electrolytes is greater outside the cell compared to inside the cell,
the cell will _________ - ANSWER Lose water



Alcohol dehydrogenase is synthesized in _________ - ANSWER Liver and stomach



Decrease high blood pressure by ____________ - ANSWER increasing physical activity,
consuming potassium, losing weight, consuming low fat dairy



Factors that destroy vitamins - ANSWER Oxygen, cooking, water, heat, light



Someone who only eats enriched white bread, meat, cheese, and milk and eats no fruits,
veggies, or supplements is at risk of _________ - ANSWER scurvy



Name of mineral that combines with calcium in bone, is part of genetic material, is found in cell
membranes, and acts as a buffer - ANSWER Phosphorous



Mineral involved in insulin-insulin receptor interaction and insulin sensitivity - ANSWER
chromium