Nutrition EXAM 2 – Flashcards
Unlock all answers in this set
Unlock answersquestion
Which of the following is a food that provides all of the essential amino acids?
answer
milk-only animal protein
question
What enzyme is released by the stomach to digest protein?
answer
pepsin
question
If the carbohydrate content of the diet is insufficient to meet the body's needs for glucose, which of the following can be converted to glucose?
answer
amino acids
question
Which of the following proteins inactivates foreign bacteria and viruses?
answer
antibodies
question
All of the following are primary functions of protein EXCEPT
answer
to supply more than 40% of the kcalories in the diet
question
Today the best estimate for the amount of protein required for nearly all adults is ____ grams per kilogram body weight per day
answer
0.8
question
Food proteins are used most efficiently when we
answer
are consuming enough carbohydrates and fats to meet our k calories needs
question
The basic building block of a protein is called an
answer
amino acid
question
All of the following are true of high quality protein EXCEPT
answer
it provides 7 cal/g of energy
question
Approximately how many different amino acids are used in the synthesis of body proteins?
answer
20
question
Which of the following is true about our current knowledge about vitamins?
answer
most scientists believe we have discovered all vitamins relevant to humans
question
Which of the following vitamins has been helpful in large doses as a treatment for acne?
answer
vitamin A
question
Which statement about vitamins is true?
answer
help regulate chemical reactions in the body
question
Megadoses are defined as greater than __ times the RDA
answer
10
question
The nutrient that can be considered both a vitamin and a hormone is
answer
vitamin D
question
A rich source of vitamin E is
answer
sunflower oil
question
Water constitutes ___-___% of body weight
answer
50-70
question
The foods that provide the largest source of riboflavin in the American diet are
answer
milk and dairy products
question
The best vitamin B6 food sources include
answer
meat, fish, poultry
question
a rich folate food source would be
answer
orange juice
question
Vitamin B12 is supplied almost entirely by
answer
animal products
question
All the following are true of B vitamins EXCEPT
answer
stored in the liver
question
Minerals are classified in the following way
answer
trace minerals are needed in amounts of 100mg per day or less
question
The body's need for water is approximately
answer
1 milliter per kcalorie (64 oz per day)
question
Joe is a wrestler and during his workouts he loses 2 pounds. How much water would he have to drink to replenish this water weight loss?
answer
5 cups
question
A liter of perspiration lost by the body represents ___ kcalories
answer
600
question
The major chloride source in the diet is
answer
salt
question
In the body, 99% of calcium is found in
answer
bones and teeth
question
The most nutrient-dense calcium food source
answer
dairy products and milk
question
A mineral that has antioxidant functions and has been suggested to reduce cancer risk is
answer
selenium
question
A goiter may form as a consequence of an inadequate intake of
answer
iodine
question
Basal metabolism is
answer
the energy expended when resting, but awake, and in a fasting state
question
Which of the following is true about basal metabolism?
answer
it represents about 60-70% of total kcalories used by a sedentary person during a day
question
A child with one obese parent has a ____ chance of becoming obese
answer
40%
question
The success of weight reduction programs has been reported to be
answer
about 5% for adults
question
A child with no obese parents has a ___ chance of becoming obese
answer
10%
question
All of the following are true about contributors to energy expenditure EXCEPT
answer
fidgeting accounting for 40% of total energy expenditure
question
Which of the following are examples of foods that contain carbohydrates
answer
wheat and lentils
question
The difference between aerobic and anaerobic glycosides is
answer
The end products of aerobic glucose breakdown are carbon dioxide and water; the end products of anaerobic glucose breakdown is lactic acid.
question
ATP and phosphocreatine are major energy sources for events lasting how long?
answer
1 minute
question
What is the name of the high energy compound that cells use directly to fuel other chemical reaction?
answer
Adenosine triphosphate
question
Anaerobic glycolysis provides most of the energy for sports activities lasting
answer
30 seconds - 2 minutes
question
Which of the following is true about the vitamin and mineral intake of athletes?
answer
most athletes tend to consume ample vitamins and minerals if they meet their kcalorie needs
question
Ideal waist circumference for men, to prevent increased risk of Type 2 Diabetes
answer
40 inches
question
Ideal waist circumference for women, to prevent increased risk of Type 2 Diabetes
answer
34.5 inches
question
Normal BMI is
answer
18.5-24.9
question
How do you estimate Basal Metabolism for men and women?
answer
Take the body weight in Kilograms and divide it by the height squared in meters
question
Protein
answer
=50g
question
Carbohydrates
answer
=300g
question
Cholesterol
answer
<300mg
question
Sat. Fat
answer
<20g
question
Fiber
answer
=25g
question
Total Fat
answer
<65g
question
Proteins are digested in which areas of the body?
answer
stomach and small intestine
question
Aerobic glycolysis provides most of the energy for sports activities lasting
answer
over 3 minutes
question
When attempting to use body weight to define obesity, a BMI above ___ warrants an obesity diagnosis
answer
30
