Nutrition Science Flashcards
6 cards from real IIN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Nutrition Science flashcards as text
Which macronutrient is the body’s primary source of energy?
Answer: Carbohydrates
Carbohydrates are broken down into glucose, the main fuel for the body's cells and brain function.
What role does dietary fiber play in digestion?
Answer: Supports digestive health
Fiber adds bulk to stool, helps maintain regular bowel movements, and supports gut health.
Which vitamin is essential for calcium absorption?
Answer: Vitamin D
Vitamin D plays a key role in helping the body absorb and regulate calcium for bone health.
Which mineral is necessary for oxygen transport in the blood?
Answer: Iron
Iron is a vital component of hemoglobin, the protein in red blood cells that carries oxygen.
Which fat type is considered heart-healthy?
Answer: Unsaturated fats
Unsaturated fats, such as those found in olive oil, nuts, and avocados, support heart health.
Which nutrient supports immune function and collagen production?
Answer: Vitamin C
Vitamin C plays a key role in immune defense and helps the body synthesize collagen for skin and tissue repair.