NAVEDTRA 14295B CH 13 Flashcards
(39 cards)
What is used to measure a healthy weight?
Body Mass Index (BMI)
Persons with a BMI greater than or equal to how many g/m2 are considered obese?
30
Over what amount of the United States population is obese according to 2005-2006 data?
1/3
What is the primary tool used to combat obesity in the Navy?
Physical Fitness Assessment
What is the most important nutrient in the world?
Water
How many liters of water does a female need to consume daily according to the National Academy of Science?
2.7
What is the approximate upper tolerance level for water intake?
8 liters
Approximately what percent of the human body is water?
60%
Loss of body water, or dehydration, can be life threatening. As little as a 1% to a 2% loss can cause decreases in overall body performance and a loss of what percent can lead to heat injury or death?
5% to 7%
What has the main role of providing energy to cells?
Carbohydrates
How many calories per gram do all carbohydrates (excluding fiber) contain?
4
Carbohydrates are made by green plants through what process?
Photosynthesis
What are plant-based long chains glucose molecules called?
Starches
What is the storage form of glucose in animals and humans?
Glycogen
What is a non-digestible, non-essential, plant-based polysaccharide that plays a significant role in digestion and elimination?
Fiber
What is the general recommendation for fiber intake in grams for men?
37
What percent of a healthy person’s diet should consist of carbohydrates?
40-60
What are commonly referred to as the “building blocks” of the body?
Proteins
How many calories per gram do proteins contain?
4
How many amino acids that make up all the proteins the body needs are there?
20
What are the main consumable sources of protein?
Animals
What is the main energy source of aerobic metabolism and sustained exercise and is reliant on glucose, or carbohydrates, to be metabolized?
Fat
Approximately how many calories does 1 tablespoon of fat contain?
45
What type of fats are used widely for frying foods?
Polyunsaturated