Biomedical Engineering Final Exam With
Correct Solutions 2024
a .large .molecule .that .consists .of .many .repeating .structural .units .is .called .a .- .correct
.answer.polymer
each .unit .molecule .that .comes .together .to .form .a .polymer .is .called .a .- .correct
.answer.monomer
the .main .advantage .associated .with .ceramics .compared .to .metals .is .- .correct
.answer.corrosion .resistance
what .all .polymers .have .in .common .is .the .type .of .bond .which .holds .their .monomers
.together. .what .type .of .bond .is .this? .- .correct .answer.a .covalent .bond
there .are .two .types .of .polymerization, .the .first .being .addition, .which .of .these .is .a
.requirement .of .monomers .in .order .to .undergo .addition .polymerization? .- .correct
.answer.the .presence .of .a .carbon .to .carbon .double .bond
as .mentioned .earlier, .there .are .two .main .types .of .polymerization, .the .second .of .which .is
.condensation .polymerization. .during .a .condensation .polymerization .reaction, .many
.monomers .join .together. .what .is .lost .when .two .monomers .join .together .via .a
.condensation .reaction? .- .correct .answer.water
proteins .(polypeptides) .and .carbohydrates .(polysaccharides) .are .both .polymers. .true .or
.false, .the .third .of .the .major .biological .molecules, .the .lipids, .cannot .be .described .as
.polymers. .- .correct .answer.true
still .on .biological .molecules, .the .incredible .length .of .these .polymers .(sometimes .tens .of
.thousands .of .monomers) .often .results .in .the .formation .of .a .tertiary, .3-D .structure. .an
.example .of .this .is .in .globular .proteins. .which .of .these .is .NOT .a .force .of .attraction .which
.usually .acts .between .the .different .sections .of .the .polypeptide .chain .of .a .globular .protein?
.- .correct .answer.metallic .bonds
Which .of .the .following .structures .represents .a .polyamide? .- .correct .answer.[-NH-CO-R-]
Which .of .the .following .structures .represents .an .anhydride? .- .correct .answer.R-COOCOR
, GPC .is .one .of .the .methods .to .measure .molecular .weight .of .the .polymers. .define .the
.acronym, .GPC. .- .correct .answer.Gel .Permeation .Chromatography
In .general, .metals .are .more .corrosion-resistant .than .ceramics .- .correct .answer.False,
.metals .are .not .more .corrosion .resistant
amorphous .polymers .have .ordered .chain .configuration .- .correct .answer.false,
.amorphous .polymers .don't .have .ordered .chains
hydroxyapatite .is .the .inorganic .component .of .the .bone .- .correct .answer.true,
.hydroxyapatite .is .the .inorganic .part .of .the .bone
crystalline .polymers .degrade .faster .than .amorphous .polymers .- .correct .answer.false,
.crystalline .polymers .are .harder .to .degrade .than .amorphous .polymers
metals .have .high .thermal .and .electrical .conductivity .- .correct .answer.true, .metals .have
.high .thermal .and .electrical .conductivity
ceramics .mostly .have .ionic .type .of .chemical .bonds .- .correct .answer.true, .ceramics .have
.mostly .ionic .bonds
brittle .materials .undergo .plastic .deformation .prior .to .failure .- .correct .answer.false, .brittle
.materials .don't .undergo .plastic .deformation
metals .are .usually .used .in .the .soft .tissue .implants .due .to .their .mechanical .properties .-
.correct .answer.false, .metals .are .too .hard
polyethylene .is .a .naturally .occurring .polymer .- .correct .answer.false, .polyethylene .is
.synthetic
hydrogen .bonds .are .stronger .than .covalent .- .correct .answer.false, .hydrogen .bonds .are
.weak
linear .polymer .structure .favors .crystallinity .- .correct .answer.true, .linear .polymer .structure
.favors .crystallinity
noble .metals .are .corrosion-resistant .- .correct .answer.true, .noble .metals .are .corrosion
.resistant
alumina .ceramic .is .biodegradable .due .to .naturally .occurring .enzymes .helping .with
.degredation .- .correct .answer.false, .alumina .ceramic .is .not .biodegradable
polymers .below .glass .transition .temperature .are .brittle .- .correct .answer.true, .polymers
.below .glass .transition .temperature .are .brittle
Correct Solutions 2024
a .large .molecule .that .consists .of .many .repeating .structural .units .is .called .a .- .correct
.answer.polymer
each .unit .molecule .that .comes .together .to .form .a .polymer .is .called .a .- .correct
.answer.monomer
the .main .advantage .associated .with .ceramics .compared .to .metals .is .- .correct
.answer.corrosion .resistance
what .all .polymers .have .in .common .is .the .type .of .bond .which .holds .their .monomers
.together. .what .type .of .bond .is .this? .- .correct .answer.a .covalent .bond
there .are .two .types .of .polymerization, .the .first .being .addition, .which .of .these .is .a
.requirement .of .monomers .in .order .to .undergo .addition .polymerization? .- .correct
.answer.the .presence .of .a .carbon .to .carbon .double .bond
as .mentioned .earlier, .there .are .two .main .types .of .polymerization, .the .second .of .which .is
.condensation .polymerization. .during .a .condensation .polymerization .reaction, .many
.monomers .join .together. .what .is .lost .when .two .monomers .join .together .via .a
.condensation .reaction? .- .correct .answer.water
proteins .(polypeptides) .and .carbohydrates .(polysaccharides) .are .both .polymers. .true .or
.false, .the .third .of .the .major .biological .molecules, .the .lipids, .cannot .be .described .as
.polymers. .- .correct .answer.true
still .on .biological .molecules, .the .incredible .length .of .these .polymers .(sometimes .tens .of
.thousands .of .monomers) .often .results .in .the .formation .of .a .tertiary, .3-D .structure. .an
.example .of .this .is .in .globular .proteins. .which .of .these .is .NOT .a .force .of .attraction .which
.usually .acts .between .the .different .sections .of .the .polypeptide .chain .of .a .globular .protein?
.- .correct .answer.metallic .bonds
Which .of .the .following .structures .represents .a .polyamide? .- .correct .answer.[-NH-CO-R-]
Which .of .the .following .structures .represents .an .anhydride? .- .correct .answer.R-COOCOR
, GPC .is .one .of .the .methods .to .measure .molecular .weight .of .the .polymers. .define .the
.acronym, .GPC. .- .correct .answer.Gel .Permeation .Chromatography
In .general, .metals .are .more .corrosion-resistant .than .ceramics .- .correct .answer.False,
.metals .are .not .more .corrosion .resistant
amorphous .polymers .have .ordered .chain .configuration .- .correct .answer.false,
.amorphous .polymers .don't .have .ordered .chains
hydroxyapatite .is .the .inorganic .component .of .the .bone .- .correct .answer.true,
.hydroxyapatite .is .the .inorganic .part .of .the .bone
crystalline .polymers .degrade .faster .than .amorphous .polymers .- .correct .answer.false,
.crystalline .polymers .are .harder .to .degrade .than .amorphous .polymers
metals .have .high .thermal .and .electrical .conductivity .- .correct .answer.true, .metals .have
.high .thermal .and .electrical .conductivity
ceramics .mostly .have .ionic .type .of .chemical .bonds .- .correct .answer.true, .ceramics .have
.mostly .ionic .bonds
brittle .materials .undergo .plastic .deformation .prior .to .failure .- .correct .answer.false, .brittle
.materials .don't .undergo .plastic .deformation
metals .are .usually .used .in .the .soft .tissue .implants .due .to .their .mechanical .properties .-
.correct .answer.false, .metals .are .too .hard
polyethylene .is .a .naturally .occurring .polymer .- .correct .answer.false, .polyethylene .is
.synthetic
hydrogen .bonds .are .stronger .than .covalent .- .correct .answer.false, .hydrogen .bonds .are
.weak
linear .polymer .structure .favors .crystallinity .- .correct .answer.true, .linear .polymer .structure
.favors .crystallinity
noble .metals .are .corrosion-resistant .- .correct .answer.true, .noble .metals .are .corrosion
.resistant
alumina .ceramic .is .biodegradable .due .to .naturally .occurring .enzymes .helping .with
.degredation .- .correct .answer.false, .alumina .ceramic .is .not .biodegradable
polymers .below .glass .transition .temperature .are .brittle .- .correct .answer.true, .polymers
.below .glass .transition .temperature .are .brittle
