PHR 912 Book Qs Exam Study
Guide
In the process of respiration, fuels most often undergo which one of the following fates -
ANSWER Oxidized to generate ATP
The resting metabolic rate is best explained by which one of the following statements -
ANSWER It is equivalent to the caloric requirement of our major organs and resting
muscle.
The RDA is best described by which one of the following - ANSWER A reasonable dietary
goal for the intake of a nutrient by a healthy individuals
During digestion of a mixed meal which one of the following is most likely to occur -
ANSWER Glucose levels increase in the blood
After digestion of a high carbohydrate meal which one of the following is most likely to
occur - ANSWER Liver and skeletal muscle use glucose as their major fuel.
Elevated levels of chylomicrons were measured in the blood of a patient. A dietary
therapy why decreased which one of the following answer choices would be most in
lowering chylomicrons levels - ANSWER Fat
A physician is treating iddm who has neglected to take his or her insulin for 5 days. The
patient demonstrates elevated blood glucose and ketone body levels. Ketone bodies are
elevated due to which one of the following. - ANSWER Elevated glucose levels
In a well nourished individual as the length of fasting increases from overnight to 1 week
which one of the following is most likely to occur - ANSWER Muscles decrease their use
of ketone bodies, which increase in the blood.
A hospitalized patient had low levels of serum albumin and high levels of blood
ammonia. His chi was 98% and his bmi was 20.5. BUN was not elevated, consistent with
normal kidney function. the diagnosis was most consistent with these findings is which
one of the following - ANSWER A loss of hepatic function
Otto Shape, an overweight medical student (see Chapter 1), discovered that he could
not exercise enough during his summer clerkship rotations to lose 2 to 3 lb/wk. He
decided to lose weight by eating only 300 kcal/day of a dietary supplement that provided
half the calories as carbohydrate and half as protein. In addition, he consumed a
multivitamin supplement. During the first 3 days on this diet, which statement best
represents the state of Otto's metabolism? - ANSWER Both his adipose mass and
, muscle mass decreased
A male patient exhibited a bmi of 33 and a waist circumference of 47 in. What dietary
therapy would you consider most helpful - ANSWER Decreased intake of total calories
because all fuels can be converted to adipose tissue triacylglycerols
Which of the following coenzymes is unique to an a keto dehydrogenase complexes -
ANSWER Lipoic acid
A patient diagnosed with thiamine deficiency exhibited fatigue and muscle cramps. The
muscle cramps have been related to an accumulation of metabolic acids. Which of the
following metabolic acids is most likely to accumulate in a thiamine deficiency. -
ANSWER pyruvic acid
succinate dehydrogenase differs from all other enzymes in the TCA cycle in that it is the
only enzyme that displays which of the following characteristics - ANSWER It is
embedded in the inner mitochondrial membrane.
During exercise stimulation of the TCA cycle results principally from which of the
following - ANSWER Stimulation of the flux through a number of enzymes by a
decreased NADH/NAD+ ratio
Coenzyme a is synthesized from which of the following vitamins - ANSWER pantothenic
acid
The highest energy phosphate bond in ATP is located between which of the following
groups - ANSWER two phosphate groups
Which of the following bioenergetic terms or phrases is defined correctly - ANSWER The
change in enthalpy of a reaction is a measure of the total amount of heat that can be
released from changes in the chemical bonds
Which statement best describes the direction a chemical reaction will follow - ANSWER
A reaction with positive free energy will proceed in the forward direction if the substrate
concentration is raised high enough.
A patient, Mr. Perkins, has just suffered a heart attack. As a consequence, his heart will
display which of the following changes? - ANSWER Increased intracellular H+
concentration
Which of the following statements correctly describes reduction of one of the electron
carriers NAD or FAD - ANSWER NAD accepts two electrons as a hydride ion to form
NADH
Cyanide is added and after 7 minutes which of the following components of the ETC will
be in an oxidized state - ANSWER Complex 2
What is the effect of valinomycin on the proton motive force that had been generated by
the oxidation of malate - ANSWER The proton motive force will be decreased but to a
Guide
In the process of respiration, fuels most often undergo which one of the following fates -
ANSWER Oxidized to generate ATP
The resting metabolic rate is best explained by which one of the following statements -
ANSWER It is equivalent to the caloric requirement of our major organs and resting
muscle.
The RDA is best described by which one of the following - ANSWER A reasonable dietary
goal for the intake of a nutrient by a healthy individuals
During digestion of a mixed meal which one of the following is most likely to occur -
ANSWER Glucose levels increase in the blood
After digestion of a high carbohydrate meal which one of the following is most likely to
occur - ANSWER Liver and skeletal muscle use glucose as their major fuel.
Elevated levels of chylomicrons were measured in the blood of a patient. A dietary
therapy why decreased which one of the following answer choices would be most in
lowering chylomicrons levels - ANSWER Fat
A physician is treating iddm who has neglected to take his or her insulin for 5 days. The
patient demonstrates elevated blood glucose and ketone body levels. Ketone bodies are
elevated due to which one of the following. - ANSWER Elevated glucose levels
In a well nourished individual as the length of fasting increases from overnight to 1 week
which one of the following is most likely to occur - ANSWER Muscles decrease their use
of ketone bodies, which increase in the blood.
A hospitalized patient had low levels of serum albumin and high levels of blood
ammonia. His chi was 98% and his bmi was 20.5. BUN was not elevated, consistent with
normal kidney function. the diagnosis was most consistent with these findings is which
one of the following - ANSWER A loss of hepatic function
Otto Shape, an overweight medical student (see Chapter 1), discovered that he could
not exercise enough during his summer clerkship rotations to lose 2 to 3 lb/wk. He
decided to lose weight by eating only 300 kcal/day of a dietary supplement that provided
half the calories as carbohydrate and half as protein. In addition, he consumed a
multivitamin supplement. During the first 3 days on this diet, which statement best
represents the state of Otto's metabolism? - ANSWER Both his adipose mass and
, muscle mass decreased
A male patient exhibited a bmi of 33 and a waist circumference of 47 in. What dietary
therapy would you consider most helpful - ANSWER Decreased intake of total calories
because all fuels can be converted to adipose tissue triacylglycerols
Which of the following coenzymes is unique to an a keto dehydrogenase complexes -
ANSWER Lipoic acid
A patient diagnosed with thiamine deficiency exhibited fatigue and muscle cramps. The
muscle cramps have been related to an accumulation of metabolic acids. Which of the
following metabolic acids is most likely to accumulate in a thiamine deficiency. -
ANSWER pyruvic acid
succinate dehydrogenase differs from all other enzymes in the TCA cycle in that it is the
only enzyme that displays which of the following characteristics - ANSWER It is
embedded in the inner mitochondrial membrane.
During exercise stimulation of the TCA cycle results principally from which of the
following - ANSWER Stimulation of the flux through a number of enzymes by a
decreased NADH/NAD+ ratio
Coenzyme a is synthesized from which of the following vitamins - ANSWER pantothenic
acid
The highest energy phosphate bond in ATP is located between which of the following
groups - ANSWER two phosphate groups
Which of the following bioenergetic terms or phrases is defined correctly - ANSWER The
change in enthalpy of a reaction is a measure of the total amount of heat that can be
released from changes in the chemical bonds
Which statement best describes the direction a chemical reaction will follow - ANSWER
A reaction with positive free energy will proceed in the forward direction if the substrate
concentration is raised high enough.
A patient, Mr. Perkins, has just suffered a heart attack. As a consequence, his heart will
display which of the following changes? - ANSWER Increased intracellular H+
concentration
Which of the following statements correctly describes reduction of one of the electron
carriers NAD or FAD - ANSWER NAD accepts two electrons as a hydride ion to form
NADH
Cyanide is added and after 7 minutes which of the following components of the ETC will
be in an oxidized state - ANSWER Complex 2
What is the effect of valinomycin on the proton motive force that had been generated by
the oxidation of malate - ANSWER The proton motive force will be decreased but to a
