Nutrition and Weight Management Flashcards
6 cards from real AFAA 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 and Weight Management flashcards as text
How many calories are provided per gram of carbohydrate?
Answer: 4 calories
Carbohydrates and proteins both provide 4 calories per gram, while fat provides 9 calories per gram.
Which macronutrient is the preferred fuel source during moderate-to-high intensity aerobic exercise?
Answer: Carbohydrate
Carbohydrates (stored as glycogen) are the primary and most efficient fuel for moderate-to-high intensity aerobic exercise.
What is the general recommended daily water intake for physically active adults in the US?
Answer: 8–13 cups per day
Active adults generally need 8–13 cups (2–3 liters) of fluid daily, with additional amounts to replace sweat losses.
A caloric deficit of approximately 3,500 calories is associated with a loss of how much body fat?
Answer: 1 pound
A deficit of approximately 3,500 calories corresponds to roughly 1 pound of stored fat, forming the basis of the 500-cal/day deficit rule.
Which vitamin is primarily synthesized by the skin through sun exposure?
Answer: Vitamin D
Vitamin D is produced in the skin when exposed to ultraviolet B (UVB) radiation and is essential for calcium absorption and bone health.
Body mass index (BMI) is calculated as:
Answer: Weight (kg) ÷ height² (m²)
BMI = weight in kilograms divided by height in meters squared, providing a simple screening tool for weight classification.