Chapter 9 - Nutrition Flashcards
After completing this deck, the fitness professional will be able to explain the role of various nutrients, identify a personal trainer's scope of practice in the nutrition field, communicate information to clients with various nutrition topics, and identify strategies to empower clients to make healthy nutritional decisions.
True or false
Reduced carbohydrates in a diet can impair both maximal efforts during high-intensity exercise and performance in endurance sports.
True.
At higher intensities and long duration activity, carbohydrates are the main source of energy.
Sports drinks may not be useful for activities less than _____ minutes.
60
This recommendation changes in extreme weather conditions (heat).
What is the primary function(s) of calcium?
- Bone health
- Muscle contraction
- Nerve signaling
- Blood clotting
- Bood pressure regulation
- Immunity
Dietary fat acts as a carrier for which vitamins?
A, D, E, and K
How many calories are found in 1 gram of fat?
9
How many Calories are in 1 gram of carbohydrate?
4
Sulfur is naturally found in what foods?
High protein foods such as meat, milk, and nuts.
Sulfur is a structural component in the body needed for healthy hair, nails, and skin.
What water-soluble vitamins are needed for energy metabolism?
B complex vitamins
What is protein quality?
Refers to the amino acid profile of a protein source and its digestibility.
How many calories are found in 1 gram of protein?
4
Two of the most important pieces of information found on a food label are:
- Servings per container
- Serving size
What is the monosaccharide found in milk and dairy?
Galactose.
Lactose is the disaccharide found in dairy. Lactose is made of galactose and glucose.
Current sport guidelines recommend that fluid replenishment after training should be _____ times the amount of weight lost during a training session.
1.25 times (or 125%)
How many calories are found in 1 gram of alcohol?
7
How many ounces of fluid should be consumed per pound of body weight lost during a workout?
Replace with 16-24 ounces of fluid per pound of bodyweight lost.
When attempting fat loss or muscle gain, this macronutrient should make up the highest percentage of caloric intake.
Carbohydrates
What is the AMDR of carbohydrates?
45-65%
A minimum of 130 grams of carbs is recommended for the average 2,000 calorie diet.
What is the protein recommendation for a sedentary adult?
0.8 g/kg (0.4 g/lb)
Carbohydrates can be classified into one of what four groups?
- Simple sugars (monosaccharides or disaccharides)
- Complex carbohydrate
- Glycogen
- Fiber
What is the definition of an incomplete protein?
A food source low or lacking one or more essential amino acid
Protein is broken down in the _____ and is absorbed in the ______.
Stomach; small intesitne
What macronutrient has the greatest TEF?
Protein
Protein has a TEF of between 15 and 20%. Carbohydrates have a TEF of 5-10% and fats have a TEF of 0-3%.
From the liver, amino acids may be directed to different tissues to:
- Make new protein
- Repair existing protein
- Create nonessential amino acids
- Used to meet energy needs
What is the recommended nutrient timing of protein for the goal of sports performance?
0.3 g/kg per hour of exercise within 4 hours of activity.