Simplified Medical Biochemistry

: Which one of the following tissues is unable to utilize ketone bodies as a metabolic fuel?
a Brain
b Cardiac muscle
c Liver
d Renal cortex
e Skeletal muscle

:The tissues that utilize ketone bodies as a metabolic fuel include:
a Brain
b Liver
c Red blood cells
d Renal cortex
e Skeletal muscle

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Q. Which hormone is released when acidic chyme enters duodenum?

a. CCK
b. Ghrelin
c. Insulin
d. Pepsin
e. Secretin

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Q. Which hormone increases pancreatic bicarbonate secretion?

a. CCK
b. Gastrin
c. Secretin
d. VIP
e. GIP

: Which of the following represents the catabolic fate of Acetyl-CoA?
a Acetylation reaction
b Cholesterol synthesis
c Ketogenesis
d Lipogenesis
e Oxidation in the TCA cycle

: Which one of the following is the primary metabolic fuel for the heart under normal resting conditions?
a Acetoacetate
b Amino acids
c Fatty acids
d Glucose
e Lactate

# SBA: Which one of the following tissues primarily utilizes free fatty acids (FFA) as a major metabolic fuel under normal conditions?
a Brain
b Intestinal mucosa
c Red blood cells
d Renal medulla
e Resting skeletal muscle

: The tissues utilize free fatty acids (FFA) as a metabolic fuel are
a) Brain
b) Heart muscle
c) Liver
d) Red blood cells
e) Resting skeletal muscle

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Q. An essential nutrient is one that:

a. Can be stored in the body indefinitely
b. Can be synthesized by the body in adequate amounts
c. Is only required during the growth period
d. Is produced by intestinal microorganisms
e. Must be supplied through diet as the body cannot synthesize it

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Q: Important metabolic fuels for humans are

a) Acetone
b) Acetoacetate
c) Cholesterol
d) Fatty acid
e) Glucose

: Which of the following terms refers to the pH at which a protein carries no net electrical charge?
a Isoelectric pH
b Isoelectric point
c pH 14
d pH 7
e Titratable point

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