What accounts for the higher energy density of a fatty acid compared with the other energy-yielding nutrients?
a. Fatty acids have a lower percentage of hydrogen-oxygen bonds.
b. Fatty acids have a greater percentage of hydrogen-carbon bonds.
c. Other energy-yielding nutrients have a lower percentage of oxygen-carbon bonds.
d. Other energy-yielding nutrients undergo fewer metabolic reactions, thereby lowering the energy yield.
e. Other energy-yielding nutrients have a lower percentage of oxygen-hydrogen bonds.
Q. 2The number of ATP molecules that can be produced from a molecule of protein, fat, or carbohydrate is generally related to the number of atoms of ____.
a. carbon
b. oxygen
c. nitrogen
d. hydrogen
e. potassium
Q. 3If the carbohydrate content of the diet is insufficient to meet the body's needs for glucose, what can be converted to glucose?
a. Fatty acids
b. Acetyl CoA
c. Amino acids
d. Carbon dioxide
e. Urea
Q. 4What are the products of the complete oxidation of fatty acids?
a. Urea and acetone
b. Fatty acids and glycerol
c. Carbon, hydrogen, and oxygen
d. Water, carbon dioxide, and energy
e. Pyruvate and acetyl CoA
Q. 5When protein consumption is in excess of body needs and energy needs are met, the excess amino acids are metabolized and the energy in the molecules is ____.
a. stored as fat only
b. excreted in the feces
c. stored as amino acids only
d. stored as glycogen and fat
e. excreted in the urine
Q. 6Which process leads to the production of urea?
a. Oxidation of glucose
b. Oxidation of amino acids
c. Incomplete oxidation of fatty acids
d. Synthesis of protein from amino acids
e. Incomplete oxidation of glycerol
Q. 7When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat?
a. Fat only
b. Carbohydrate only
c. Fat and carbohydrate only
d. Fat, carbohydrate, and protein
e. Protein and fat only
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