NDHCE Board Exam Prep Part 2 NEWEST VERSION
WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS \VERIFIED 100% ALREADY GRADED
A+\LATEST UPDATE (BIOCHEMISTRY)
All of the following are used . B. Alpha ketoacid is involved in catabolism of proteins.
to de novo synthesis of It is used as a metabolic fuel for immediate energy
proteins except one? needs or for long term energy storage as fat.
a. Deoxyribonucleic acid A. Deoxyribonucleic acid is involved in the de novo synthesis of
proteins.
b. alpha- keto acid
C. Messenger ribonucleic acid is involved in the de novo
c. Messengers ribonucleic acid
synthesis of proteins.
d. Ribosomal ribonucleic acid
D. Ribosomal ribonucleic acid is involved in the de novo synthesis
of proteins.
All the following are B. Adrenocortical hormones are examples of catabolic hormones.
examples of anabolic A. Growth hormone is an example of an anabolic hormone.
hormones except one? C. Insulin is an example of an anabolic hormone.
a. Growth hormone D. Thyroid hormone is an example of an anabolic hormone.
b. Adrenocortical hormone
c. Insulin
d. Thyroid Hormone?
. B. Anorexia is most commonly seen in middle to upper
income adolescent females who are typically
Which of the following eating described as perfectionists, overachiever and
disorders is most often models of good
found in middle income behavior.
and A. Obesity is not age specific. 40% of adults in the United
upper income adolescent States are obese and 18.5% of 2-19 year olds are
females?
obese.
a. Obesity
b. Anorexia
C. Bulimia is often found in adolescent females as
c. Bulimia well but not specific to socioeconomic status. It is more
d. Other specified eating prevalent than anorexia nervosa. Individuals with
disorders. bulimia may appear at or above normal weight.
D. Other Specified Eating or Feeding Disorder is a
, category that was developed for those individuals who
do not meet the strict criteria for diagnosis of
anorexia
nervosa, bulimia or binge eating.
Which of the following have C. Lipids (fats) have cariostatic properties; they provide a coating
cariostatic on the teeth.
properties providing a
coating on the tooth surface
and forming a protective
pellicle on the tooth?
a. Proteins
b. Carbs
c. Lipids
d. Vitamins
The energy required to C. Thermic effect of food is the energy required to
digest absorb and digest, absorb, and metabolize food.
metabolize food is known A. Basal metabolic rate is a measure of energy
as? required to maintain a living state while at rest and
a. Basal metabolic rate
without food.
b. Kilocalories B. Kilocalories is heat produced to raise the temperature of
water.
c. Thermic effect of food
D. ATP is made during the process of oxidative phosphorylation in
d. adenosine triphosphate
the mitochondria.
Which mixing method is e. Two liquids are mixed through a application tip for
used for VPS impression impression materials and for some polymer-based
material? cements.
a. Capsule in triturator
b. Mixing pad
c. Agitation using vibration
d. Spatula and mixing bowl
e. Mixing nozzle
,What is the final setting time? d. The setting time is the elapsed time from the start of
a. Elapsed time from the mixing until the end of setting.
start of mixing until the
start of setting
b. Elapsed time from the
start of the working
interval
c. The setting interval
d. Elapsed time from the
start of mixing until the
end of the setting time
e. The time available by
the operator to handle
and place the material
Which material is c. Gypsum-bonded investment sets by water reacting
not set by with calcium sulfate hemihydrate to produce a dihydrate
polymerization> and does not involve polymerization.
a. Flowable dental composite a. Flowable dental composite sets by the monomer matrix phase
polymerizing
b. Hybrid glass ionomer
b. Hybrid glass ionomer cements sets by the water soluble resin
cement
phase polymerizing
c. gypsum bonded investment
d. Polyether impression material sets by the matrix phase
d. polyether impression
undergoing polymerization
e. pit and fissure sealant
e. Pit-and-fissure sealants set by the mixture of
monomers undergoing polymerization
Alginate is a hydrogel that contains almost 85 percent
Which material involves water and quickly gains (imbibition) or loses water
imbibition problems? depending on the environment in which it is stored.
a. Pit and fissure material a. Dental sealant only absorbs a small amount of water, and it
occurs very slowly
b. Flowable composite
b. Flowable composite only absorbs a small amount of
c. Glass ionomer lutting
cement water, and it occurs very slowly
d. Alginate impression material c. Dental cement, even if it contains some water in
e. zirconia the composition, does not undergo problematic
imbibition
e. Zirconia is ceramic and do not gain or lose water,
although very tiny amounts of water may be absorbed
into surface cracks
, Which restoration is a good b. Dental amalgam restorations conduct heat relatively
thermal conductor? easily because they are metallic.
a. Glass ionomer cement a. Glass ionomer cements involve ceramic and polymeric phases
which are insulating
b. Dental Amalgam
c. Packable composite, with its high ceramic filler
c. Packable composite
content and insulating polymer matrix, is a poor
d. Zirconia all ceramic inlays
e. Ceramic veneers
thermal conductor
d. Zirconia ceramic inlays are poor thermal insulators
e. Ceramic veneers are insulators
Which material may undergo b. Cast gold restorations undergo crevice corrosion under plaque
crevice corrosion under films albeit slowly.
a. Polycarboxylate cements contain no metallic phases to
plaque?
undergo corrosion
a. Polycarboxylate cement
c. Ceramic orthodontic brackets contain no metallic phases to
b. Cast gold restoration
undergo corrosion
Ceramic orthodontic
d. Zirconia is a ceramic and does not undergo corrosion
brackets d.Zirconia
e. One of the above, cast gold restorations, does undergo crevice
e. None of the above corrosion
Which of the following is the c. 1 mm or more of remaining dentin thickness provides excellent
best pulp protection? pulpal insulation
a. Surface sealant over a. Sealant over a restoration is extremely thin and provides little
restoration insulation
b. 1mm of calcium hydroxide b. Calcium hydroxide above dentin is insulating but not
liner
nearly as good as the dentin below
c. 1mm of remaining dentin
d. Composite is insulating but nearly as good as 1 mm of dentin
thickness below the composite
d. 3mm of composite e. 5 mm of dental amalgam restoration is not insulating
restoration
e. 5mm of dental amalgam
restoration
WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS \VERIFIED 100% ALREADY GRADED
A+\LATEST UPDATE (BIOCHEMISTRY)
All of the following are used . B. Alpha ketoacid is involved in catabolism of proteins.
to de novo synthesis of It is used as a metabolic fuel for immediate energy
proteins except one? needs or for long term energy storage as fat.
a. Deoxyribonucleic acid A. Deoxyribonucleic acid is involved in the de novo synthesis of
proteins.
b. alpha- keto acid
C. Messenger ribonucleic acid is involved in the de novo
c. Messengers ribonucleic acid
synthesis of proteins.
d. Ribosomal ribonucleic acid
D. Ribosomal ribonucleic acid is involved in the de novo synthesis
of proteins.
All the following are B. Adrenocortical hormones are examples of catabolic hormones.
examples of anabolic A. Growth hormone is an example of an anabolic hormone.
hormones except one? C. Insulin is an example of an anabolic hormone.
a. Growth hormone D. Thyroid hormone is an example of an anabolic hormone.
b. Adrenocortical hormone
c. Insulin
d. Thyroid Hormone?
. B. Anorexia is most commonly seen in middle to upper
income adolescent females who are typically
Which of the following eating described as perfectionists, overachiever and
disorders is most often models of good
found in middle income behavior.
and A. Obesity is not age specific. 40% of adults in the United
upper income adolescent States are obese and 18.5% of 2-19 year olds are
females?
obese.
a. Obesity
b. Anorexia
C. Bulimia is often found in adolescent females as
c. Bulimia well but not specific to socioeconomic status. It is more
d. Other specified eating prevalent than anorexia nervosa. Individuals with
disorders. bulimia may appear at or above normal weight.
D. Other Specified Eating or Feeding Disorder is a
, category that was developed for those individuals who
do not meet the strict criteria for diagnosis of
anorexia
nervosa, bulimia or binge eating.
Which of the following have C. Lipids (fats) have cariostatic properties; they provide a coating
cariostatic on the teeth.
properties providing a
coating on the tooth surface
and forming a protective
pellicle on the tooth?
a. Proteins
b. Carbs
c. Lipids
d. Vitamins
The energy required to C. Thermic effect of food is the energy required to
digest absorb and digest, absorb, and metabolize food.
metabolize food is known A. Basal metabolic rate is a measure of energy
as? required to maintain a living state while at rest and
a. Basal metabolic rate
without food.
b. Kilocalories B. Kilocalories is heat produced to raise the temperature of
water.
c. Thermic effect of food
D. ATP is made during the process of oxidative phosphorylation in
d. adenosine triphosphate
the mitochondria.
Which mixing method is e. Two liquids are mixed through a application tip for
used for VPS impression impression materials and for some polymer-based
material? cements.
a. Capsule in triturator
b. Mixing pad
c. Agitation using vibration
d. Spatula and mixing bowl
e. Mixing nozzle
,What is the final setting time? d. The setting time is the elapsed time from the start of
a. Elapsed time from the mixing until the end of setting.
start of mixing until the
start of setting
b. Elapsed time from the
start of the working
interval
c. The setting interval
d. Elapsed time from the
start of mixing until the
end of the setting time
e. The time available by
the operator to handle
and place the material
Which material is c. Gypsum-bonded investment sets by water reacting
not set by with calcium sulfate hemihydrate to produce a dihydrate
polymerization> and does not involve polymerization.
a. Flowable dental composite a. Flowable dental composite sets by the monomer matrix phase
polymerizing
b. Hybrid glass ionomer
b. Hybrid glass ionomer cements sets by the water soluble resin
cement
phase polymerizing
c. gypsum bonded investment
d. Polyether impression material sets by the matrix phase
d. polyether impression
undergoing polymerization
e. pit and fissure sealant
e. Pit-and-fissure sealants set by the mixture of
monomers undergoing polymerization
Alginate is a hydrogel that contains almost 85 percent
Which material involves water and quickly gains (imbibition) or loses water
imbibition problems? depending on the environment in which it is stored.
a. Pit and fissure material a. Dental sealant only absorbs a small amount of water, and it
occurs very slowly
b. Flowable composite
b. Flowable composite only absorbs a small amount of
c. Glass ionomer lutting
cement water, and it occurs very slowly
d. Alginate impression material c. Dental cement, even if it contains some water in
e. zirconia the composition, does not undergo problematic
imbibition
e. Zirconia is ceramic and do not gain or lose water,
although very tiny amounts of water may be absorbed
into surface cracks
, Which restoration is a good b. Dental amalgam restorations conduct heat relatively
thermal conductor? easily because they are metallic.
a. Glass ionomer cement a. Glass ionomer cements involve ceramic and polymeric phases
which are insulating
b. Dental Amalgam
c. Packable composite, with its high ceramic filler
c. Packable composite
content and insulating polymer matrix, is a poor
d. Zirconia all ceramic inlays
e. Ceramic veneers
thermal conductor
d. Zirconia ceramic inlays are poor thermal insulators
e. Ceramic veneers are insulators
Which material may undergo b. Cast gold restorations undergo crevice corrosion under plaque
crevice corrosion under films albeit slowly.
a. Polycarboxylate cements contain no metallic phases to
plaque?
undergo corrosion
a. Polycarboxylate cement
c. Ceramic orthodontic brackets contain no metallic phases to
b. Cast gold restoration
undergo corrosion
Ceramic orthodontic
d. Zirconia is a ceramic and does not undergo corrosion
brackets d.Zirconia
e. One of the above, cast gold restorations, does undergo crevice
e. None of the above corrosion
Which of the following is the c. 1 mm or more of remaining dentin thickness provides excellent
best pulp protection? pulpal insulation
a. Surface sealant over a. Sealant over a restoration is extremely thin and provides little
restoration insulation
b. 1mm of calcium hydroxide b. Calcium hydroxide above dentin is insulating but not
liner
nearly as good as the dentin below
c. 1mm of remaining dentin
d. Composite is insulating but nearly as good as 1 mm of dentin
thickness below the composite
d. 3mm of composite e. 5 mm of dental amalgam restoration is not insulating
restoration
e. 5mm of dental amalgam
restoration
