Macro Nutrient Fat Quiz
Which of the following is NOT a feature of the artificial fat replacer olestra?
It leads to constipation in some individuals
Your roommate Bob has just come back from the doctor where he was subjected to a blood lipid profile analysis. The doctor provided him with dietary changes because the cholesterol results put him at increased risk for cardiovascular disease. Which of the following results is consistent with the diagnosis?
Low HDL and high LDL
Your aunt Gladys has a family history of heart disease. She decides to begin eating a bowl of oatmeal every morning to help lower her blood cholesterol. After about a month of following this routine, her cholesterol declined about 5 points. Which of the following is the most likely explanation for this effect?
Oatmeal is high in soluble fibers that trap bile, causing the body to use more cholesterol for bile replacement
According to the Dietary Guidelines, what should be the maximum total fat intake as a percentage of energy intake?
35
What is the approximate kcal content of one pound of body fat?
3500
Approximately what percentage of the bodies energy needs at rest is supplied by fat?
60
What is the approximate average daily trans fatty acid intake in the United States?
6g
Which of the following is a feature of fat in the diet of athletes?
A minimum of 20% fat energy in the diet is needed
Which of the following is a characteristic of lipids?
Corn and sunflower oils are more prone to spoilage than palm kernel oil
Which of the following is a factor that determines the hardness of. fat at a given temperature?
degree of saturation
Which of the following is an omega 3 fat?
docosahexaenoic acid
Lipids differ in their degree of saturation or unsaturation due to their number of
double bonds
Lipids that are solid at room temperature are known as
fats
A triglyceride always contains 3
fatty acids
What is the chemical composition of fats?
fatty acids and glycerol
A low risk of cardiovascular disease correlates with high blood levels of
high density lipoprotein
Each of the following is known to be linked to excessive intake of fats EXCEPT
lactose intolerance
Which of the following lipids is an essential nutrient?
linoleic acid
The results of blood tests that reveal a person's total cholesterol and triglycerides are called a
lipid profile
A high risk of heart attack correlates with high blood levels of
low density lipoproteins
Which of the following is a feature of polyunsaturated fats?
low melting point
Spherical complexes of emulsified fats are known as
micelles
Lipids that are liquid at room temperature are known as
oils
An important function of fat in the body is to
protect vital organs against shock
Which of the following foods contains cholesterol?
roasted turkey
Among the following dietary fatty acids, which has been found to raise blood cholesterol level by the least amount?
stearic
Which of the following is a common dietary saturated fatty acid?
stearic acid
A food that represents a visible fat would be
butter
What lipoprotein is largest in size?
chylomicron
After a meal, most of the fat that eventually empties into the blood is in the form of particles known as
chylomicrons
What is the storage site of bile?
gallbladder
A major cause of rancidity of lipids in foods is exposure to
heat and oxygen
A compound composed of carbon, hydrogen, and oxygen with 3 fatty acids attached to a molecule of glycerol would be known as a
triglyceride
What compound is composed of 3 fatty acids and glycerol?
triglyceride
In which form are most dietary lipids found?
triglycerides