sport nutrition 6th edition Flashcards
Which of the following characterizes ketoacidosis?
Buildup of ketone bodies causes acidification of the blood.
Proteins that function to catalyze biochemical reactions in the body are known as:
enzymes
The amount of carbohydrate consumed on a daily basis can be calculated based on which of the following?
A person’s body weight
An athlete who currently weighs 142 lbs with a body fat percentage of 24% has set the goal of getting leaner. She would like to decrease her body fat to 19%. How much weight would she need to lose if her lean mass stays constant?
9 lbs
Which of the following is not currently an approved nutrient-content claim?
Low fat. Reduced sodium. Cholesterol free. Low carbohydrate. Low carbohydrate.
How often are the Dietary Guidelines for Americans revised and published?
Every 3 years
Every 4 years
Every 5 years
Every 6 years
5 years
which of the following factors should be considered FIRST when developing an individual nutrition plan for an athlete
health history of the athlete
when is an AI developed for a vitmain or mineral
adequate intake
-target intake level of a nutrient based on peoples estimated dietary intake
-87-88% of pop
when insufficient scientific evidence is available to calculate an EAR/RDA
all of the following are on food labels except
list of all vitamins and minerals
what does %DV stand for on food labels
percent daily value
which vitamins and minerals must be included on the current nutrition facts panel
Vitamin D, calcium, iron, and potassium
If a product is labeled “sodium-free,” the item contains less than:
5 mg sodium per serving.
A nutrition facts label gives the following serving information: total fat = 4g, total carbohydrates = 15g, total protein = 5g. How many calories are there per serving?
116 calories
what is the function of saliva and the digestive enzymes it contains
What organs produce and secrete substances that aid in digestion?
Liver, Gallbladder, and pancreas
Once glucose is transported to the skeletal muscle to be used for energy or to be stored, it is carried across the cell membrane by specialized proteins called:
glucose transporters
the digestive process that takes place in the stomach where food is churned and mixed with stomach acids and enzymes continues for approximately
1 hour
from the small instestine the remainder of the undigested partially digested and unabsorbed contents pass into the
large intestine
once glucose has gained entrance into a muscle cell it can be
all of the above
bob eats his breakfast and his gastrointestinal tract begins the process of digestion which of the following is the appropriate sequence for digestion
nmouth, esophagas, stomach, small intestine, large intestine, rectum.
the process of digesting food begins in the
mouth
what is the name of the process by which plants form carbohydrates
photosynthesis
During competition lasting longer than 60 minutes, which of the following would be an appropriate recommendation regarding carbohydrates?
Consume carbs at a rate of about 30-60 grams per hour
which of the following statements best defines starch
-It is a type of polysaccharide found in the cells of plants
which of the following is an artificial sweetener
aspartame
why is soluble fiber an important part of of a healthy diet
to help accelerate recovery how much carbohydrates should be consumed in the 4 hours …
1-1.2 grams of carbohydrates per kilogram of body weight per hour for the first four hours after exercise.
what does the acronym GRAS stand for
Generally Recognized As Safe
How does the amount of energy stored in carbohydrates compare to that stored as body fat?
which of the following is the predominant form of fats found in the human diet
triglycerides
which of the following is not true of sterols
they are hydrophobic and lipophilic
when consumed in adequate amounts,plants stanols, sterols have been shown to
lower ldl levels in the blood
Over the course of a week, what impact does a low-carbohydrate diet (i.e., 40% of total calories) have on muscle glycogen levels and performance for an athlete who is training on a daily basis?
It progressively decreases muscle glycogen levels.
Soy, rice, and grain dairy-alternative products are excellent substitutes for low-fat or full-fat dairy products because dairy-alternative products
which of the following is a difference between long chain triglycerides and medium chain triglycerides
which molecules makes up the backbone of all triglycerides
glycerol
Which of the following lists the correct sequence of metabolic pathways to aerobically break down fats for energy?
Beta oxidation, citric acid cycle, electron transport chain.
mcts may enhance enduance performance because they
can be absorbed rapidly.
a long term high fat diet can
How does the amount of energy stored in carbohydrates compare to that stored as body fat?
Less energy is stored in the form of carbohydrates compared to body fat.
Which of the following is not true regarding carbohydrate intake during exercise?
Consuming carbohydrates from solid foods during exercise is not effective or recommended.
Jason is an elite cross-country athlete who is currently training 6 days per week, 1 to 3 hours per day. He weighs 135 pounds. Based on his body weight, what should his carbohydrate intake be?
615 g/day
To help accelerate recovery, how much carbohydrate intake is recommended immediately after exercise?
1-1.2 grams of carbohydrates per kilogram of body weight per hour for the first four hours after exercise.
