sport nutrition 6th edition Flashcards

1
Q

Which of the following characterizes ketoacidosis?

A

Buildup of ketone bodies causes acidification of the blood.

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2
Q

Proteins that function to catalyze biochemical reactions in the body are known as:

A

enzymes

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3
Q

The amount of carbohydrate consumed on a daily basis can be calculated based on which of the following?

A

A person’s body weight

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4
Q

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?

A

9 lbs

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5
Q

Which of the following is not currently an approved nutrient-content claim?
Low fat. Reduced sodium. Cholesterol free. Low carbohydrate. Low carbohydrate.

A
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6
Q

How often are the Dietary Guidelines for Americans revised and published?
Every 3 years
Every 4 years
Every 5 years
Every 6 years

A

5 years

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7
Q

which of the following factors should be considered FIRST when developing an individual nutrition plan for an athlete

A

health history of the athlete

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8
Q

when is an AI developed for a vitmain or mineral

A

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

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9
Q

all of the following are on food labels except

A

list of all vitamins and minerals

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10
Q

what does %DV stand for on food labels

A

percent daily value

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11
Q

which vitamins and minerals must be included on the current nutrition facts panel

A

Vitamin D, calcium, iron, and potassium

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12
Q

If a product is labeled “sodium-free,” the item contains less than:

A

5 mg sodium per serving.

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13
Q

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?

A

116 calories

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14
Q

what is the function of saliva and the digestive enzymes it contains

A
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15
Q

What organs produce and secrete substances that aid in digestion?

A

Liver, Gallbladder, and pancreas

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16
Q

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:

A

glucose transporters

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17
Q

the digestive process that takes place in the stomach where food is churned and mixed with stomach acids and enzymes continues for approximately

A

1 hour

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18
Q

from the small instestine the remainder of the undigested partially digested and unabsorbed contents pass into the

A

large intestine

19
Q

once glucose has gained entrance into a muscle cell it can be

A

all of the above

20
Q

bob eats his breakfast and his gastrointestinal tract begins the process of digestion which of the following is the appropriate sequence for digestion

A

nmouth, esophagas, stomach, small intestine, large intestine, rectum.

21
Q

the process of digesting food begins in the

A

mouth

22
Q

what is the name of the process by which plants form carbohydrates

A

photosynthesis

23
Q

During competition lasting longer than 60 minutes, which of the following would be an appropriate recommendation regarding carbohydrates?

A

Consume carbs at a rate of about 30-60 grams per hour

24
Q

which of the following statements best defines starch

A

-It is a type of polysaccharide found in the cells of plants

25
Q

which of the following is an artificial sweetener

A

aspartame

26
Q

why is soluble fiber an important part of of a healthy diet

A
27
Q

to help accelerate recovery how much carbohydrates should be consumed in the 4 hours …

A

1-1.2 grams of carbohydrates per kilogram of body weight per hour for the first four hours after exercise.

28
Q

what does the acronym GRAS stand for

A

Generally Recognized As Safe

29
Q

How does the amount of energy stored in carbohydrates compare to that stored as body fat?

A
30
Q

which of the following is the predominant form of fats found in the human diet

A

triglycerides

31
Q

which of the following is not true of sterols

A

they are hydrophobic and lipophilic

32
Q

when consumed in adequate amounts,plants stanols, sterols have been shown to

A

lower ldl levels in the blood

33
Q

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?

A

It progressively decreases muscle glycogen levels.

34
Q

Soy, rice, and grain dairy-alternative products are excellent substitutes for low-fat or full-fat dairy products because dairy-alternative products

A
35
Q

which of the following is a difference between long chain triglycerides and medium chain triglycerides

A
36
Q

which molecules makes up the backbone of all triglycerides

A

glycerol

37
Q

Which of the following lists the correct sequence of metabolic pathways to aerobically break down fats for energy?

A

Beta oxidation, citric acid cycle, electron transport chain.

38
Q

mcts may enhance enduance performance because they

A

can be absorbed rapidly.

39
Q

a long term high fat diet can

A
40
Q

How does the amount of energy stored in carbohydrates compare to that stored as body fat?

A

Less energy is stored in the form of carbohydrates compared to body fat.

41
Q

Which of the following is not true regarding carbohydrate intake during exercise?

A

Consuming carbohydrates from solid foods during exercise is not effective or recommended.

42
Q

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?

A

615 g/day

43
Q

To help accelerate recovery, how much carbohydrate intake is recommended immediately after exercise?

A

1-1.2 grams of carbohydrates per kilogram of body weight per hour for the first four hours after exercise.