FNDH 620 LATEST EXAM ACTUAL QUESTIONS AND
ANSWERS SURE A+
✔✔Which of the following statements concerning glucokinase and hexokinase is not
true?
a. Glucagon induces hexokinase activity
b. Glucokinase has a higher Km than hexokinase
c. Insulin induces glucokinase activity
d. Hexokinase is allosterically inhibited by glucose 6-phospoate
e. Both enzymes catalyze a same reaction that is the 1st step in both glycogenesis and
glycolysis. - ✔✔a. glucagon induces hexokinase activity
✔✔What is the effect of decreased ratio of blood glucagon to insulin upon the activity of
the Cori cycle?
a. Increase
b. Decrease
c. Not change
d. None of the above - ✔✔b. decrease
✔✔Hemicellulose consists of cellulose and other polysaccharides.
a. true
b. false - ✔✔b. false
hemicelluloses are unrelated to cellulose
✔✔Which foods are abundant in pectin?
a. nuts
b. oats
c. bran
d. fruits - ✔✔d. fruits
✔✔Which of these fibers is a noncarbohydrate?
a. cellulose
b. lignin
c. hemicellulose
d. pectins
e. gums
f. mucilages - ✔✔b. lignin
✔✔What kind of fibers may apply to healthy protection against heart disease?
a. viscous fibers
b. highly fermented fibers
c. poorly fermentable fibers
d. water insoluble fibers
e. all of the above - ✔✔a. viscous fibers
, ✔✔What are the products of the secondary metabolism in plants?
a. terpenoids
b. phenolic agents
c. primary metabolites
d. secondary metabolites
e. nutraceuticals - ✔✔d. secondary metabolites
✔✔The content of phytochemicals in plants are variable, usually increased in response
to environmental stress.
a. true
b. false - ✔✔a. true
✔✔The Dietary Supplement & Health Education Act of 1994 allows nutraceuticals to be
sold as dietary supplements without FDA approval as long as they are mentioned:
a. it is not intended to diagnose, cure, treat or prevent diseases
b. it has not been evaluated by FDA
c. both A & B
d. either A or B
e. none of these. - ✔✔c. both a and b
✔✔Why do phytochemicals protect agains chronic diseases?
a. anti-oxidants
b. inhibition of cell growth
c. induction of apoptosis
d. stimulation of immune system
e. inhibition of nutrient absorption
f. not conclusive, but may be included all of the above - ✔✔f. not conclusive, but may be
included all of the above
✔✔What is the most major element of the human body? - ✔✔oxygen
✔✔How many phases are in the cell cycle? - ✔✔four phases
✔✔Hydrophilic - ✔✔Water-loving
✔✔Hydrophobic - ✔✔Water-fearing
✔✔Pentose - ✔✔5 carbon sugar
✔✔Hexose - ✔✔6 carbon sugar
✔✔In the electron transport chain NADH starts at step: - ✔✔one
ANSWERS SURE A+
✔✔Which of the following statements concerning glucokinase and hexokinase is not
true?
a. Glucagon induces hexokinase activity
b. Glucokinase has a higher Km than hexokinase
c. Insulin induces glucokinase activity
d. Hexokinase is allosterically inhibited by glucose 6-phospoate
e. Both enzymes catalyze a same reaction that is the 1st step in both glycogenesis and
glycolysis. - ✔✔a. glucagon induces hexokinase activity
✔✔What is the effect of decreased ratio of blood glucagon to insulin upon the activity of
the Cori cycle?
a. Increase
b. Decrease
c. Not change
d. None of the above - ✔✔b. decrease
✔✔Hemicellulose consists of cellulose and other polysaccharides.
a. true
b. false - ✔✔b. false
hemicelluloses are unrelated to cellulose
✔✔Which foods are abundant in pectin?
a. nuts
b. oats
c. bran
d. fruits - ✔✔d. fruits
✔✔Which of these fibers is a noncarbohydrate?
a. cellulose
b. lignin
c. hemicellulose
d. pectins
e. gums
f. mucilages - ✔✔b. lignin
✔✔What kind of fibers may apply to healthy protection against heart disease?
a. viscous fibers
b. highly fermented fibers
c. poorly fermentable fibers
d. water insoluble fibers
e. all of the above - ✔✔a. viscous fibers
, ✔✔What are the products of the secondary metabolism in plants?
a. terpenoids
b. phenolic agents
c. primary metabolites
d. secondary metabolites
e. nutraceuticals - ✔✔d. secondary metabolites
✔✔The content of phytochemicals in plants are variable, usually increased in response
to environmental stress.
a. true
b. false - ✔✔a. true
✔✔The Dietary Supplement & Health Education Act of 1994 allows nutraceuticals to be
sold as dietary supplements without FDA approval as long as they are mentioned:
a. it is not intended to diagnose, cure, treat or prevent diseases
b. it has not been evaluated by FDA
c. both A & B
d. either A or B
e. none of these. - ✔✔c. both a and b
✔✔Why do phytochemicals protect agains chronic diseases?
a. anti-oxidants
b. inhibition of cell growth
c. induction of apoptosis
d. stimulation of immune system
e. inhibition of nutrient absorption
f. not conclusive, but may be included all of the above - ✔✔f. not conclusive, but may be
included all of the above
✔✔What is the most major element of the human body? - ✔✔oxygen
✔✔How many phases are in the cell cycle? - ✔✔four phases
✔✔Hydrophilic - ✔✔Water-loving
✔✔Hydrophobic - ✔✔Water-fearing
✔✔Pentose - ✔✔5 carbon sugar
✔✔Hexose - ✔✔6 carbon sugar
✔✔In the electron transport chain NADH starts at step: - ✔✔one
