Biomedical Engineering Exam 2 With
Correct Solutions 2024
What .are .the .different .types .of .fracture .fixation .devices? .- .correct .answer.- .Screws
- .Plates
- .Intramedullary .Rods
- .External .Fixators
What .does .the .stability .of .intramedullary .rods .depend .on? .- .correct .answer.- .Mechanical
.properties .of .nail
- .Nail .fit .in .IM .space
- .Mechanical .properties .of .locking .screw/bolts
What .does .the .bending .and .torsional .stiffness .of .intramedullary .rods .depend .on? .-
.correct .answer.- .Nail .diameter
- .Nail .slots
What .do .stabilizing .pins/anchors .do? .- .correct .answer.-resist .rotation
-prox .and .distal .ends .stay .put .so .displaces .less .fragments
What .are .the .advantages .of .external .fixators? .- .correct .answer.- .Only .technique .that
.allows .stability .to .be .adapted .preoperatively, .intraoperatively, .and .postoperatively .and
- .allows .to .treat .soft .tissue .injuries .while .stabilizing .complex .fractures
What .are .the .limitations .of .external .fixators? .- .correct .answer.- .Compromise .of .blood
.supply .in .fracture .healing .zone
.- .Interfragmentary .movement
.- .Pin .site .infection
.- .Creates .stress .risers .in .adjacent .bone
What .is .the .most .common .reason .for .joint .replacements? .- .correct .answer.Arthritis
- .Osteoarthritis
- .Rheumatoid .arthritis
What .are .the .most .common .types .of .joint .replacements? .- .correct .answer.Hips .and
.Knees
, What .are .the .two .classifications .of .joint .replacements? .- .correct .answer.- .Articular
.surface .only
- .Articular .surface .and .bone .substructure
What .structural .and .functional .characteristics .must .be .considered .when .completing .a
.joint .replacement? .- .correct .answer.- .Provide .normal .range .of .motion .while .transmitting
.joint .forces
- .Longevity .(last .lifetime .of .patient)
- .Biocompatibility
What .are .the .design .challenges .of .joint .replacements? .- .correct .answer.- .Biocompatibility
- .Hermeticity
- .Structural .design
- .Delivery .system
- .Power .management
- .Detection
- .Wireless .communication
What .is .corrosion? .How .can .you .reduce .it? .- .correct .answer.Gradual .degradation .of
.materials .by .electrochemical .attack
.- .Can .be .reduced .by .surface .oxide .films
.- .Sensitive .to .wear
.- .Regeneration .times .vary .by .material
What .material .has .the .fastest .surface .oxide .film .regeneration .time? .Which .has .the
.slowest? .Do .you .want .this .to .be .fast .or .slow? .- .correct .answer.Titanium .= .fastest
Stainless .Steel .= .slowest
* .want .this .to .be .fast
What .is .surface .modification? .What .does .it .improve? .- .correct .answer.Performed .on
.biomedical .implants .to .improve:
.- .Corrosion .resistance
.- .Wear .resistance
.- .Surface .texture
.- .Biocompatibility
What .are .four .common .types .of .surface .modification? .- .correct .answer.- .Laser .treatment
- .chemical .treatment
- .HA
- .add .ceramic .coating
What .are .some .causes .of .joint .replacements? .- .correct .answer.- .Joint .diseases .(most
.common .rheumatoid .arthritis)
- .Long .term .wear .(ex:osteoarthritis)
- .Bone .fractures
- .Avascular .necrosis
Correct Solutions 2024
What .are .the .different .types .of .fracture .fixation .devices? .- .correct .answer.- .Screws
- .Plates
- .Intramedullary .Rods
- .External .Fixators
What .does .the .stability .of .intramedullary .rods .depend .on? .- .correct .answer.- .Mechanical
.properties .of .nail
- .Nail .fit .in .IM .space
- .Mechanical .properties .of .locking .screw/bolts
What .does .the .bending .and .torsional .stiffness .of .intramedullary .rods .depend .on? .-
.correct .answer.- .Nail .diameter
- .Nail .slots
What .do .stabilizing .pins/anchors .do? .- .correct .answer.-resist .rotation
-prox .and .distal .ends .stay .put .so .displaces .less .fragments
What .are .the .advantages .of .external .fixators? .- .correct .answer.- .Only .technique .that
.allows .stability .to .be .adapted .preoperatively, .intraoperatively, .and .postoperatively .and
- .allows .to .treat .soft .tissue .injuries .while .stabilizing .complex .fractures
What .are .the .limitations .of .external .fixators? .- .correct .answer.- .Compromise .of .blood
.supply .in .fracture .healing .zone
.- .Interfragmentary .movement
.- .Pin .site .infection
.- .Creates .stress .risers .in .adjacent .bone
What .is .the .most .common .reason .for .joint .replacements? .- .correct .answer.Arthritis
- .Osteoarthritis
- .Rheumatoid .arthritis
What .are .the .most .common .types .of .joint .replacements? .- .correct .answer.Hips .and
.Knees
, What .are .the .two .classifications .of .joint .replacements? .- .correct .answer.- .Articular
.surface .only
- .Articular .surface .and .bone .substructure
What .structural .and .functional .characteristics .must .be .considered .when .completing .a
.joint .replacement? .- .correct .answer.- .Provide .normal .range .of .motion .while .transmitting
.joint .forces
- .Longevity .(last .lifetime .of .patient)
- .Biocompatibility
What .are .the .design .challenges .of .joint .replacements? .- .correct .answer.- .Biocompatibility
- .Hermeticity
- .Structural .design
- .Delivery .system
- .Power .management
- .Detection
- .Wireless .communication
What .is .corrosion? .How .can .you .reduce .it? .- .correct .answer.Gradual .degradation .of
.materials .by .electrochemical .attack
.- .Can .be .reduced .by .surface .oxide .films
.- .Sensitive .to .wear
.- .Regeneration .times .vary .by .material
What .material .has .the .fastest .surface .oxide .film .regeneration .time? .Which .has .the
.slowest? .Do .you .want .this .to .be .fast .or .slow? .- .correct .answer.Titanium .= .fastest
Stainless .Steel .= .slowest
* .want .this .to .be .fast
What .is .surface .modification? .What .does .it .improve? .- .correct .answer.Performed .on
.biomedical .implants .to .improve:
.- .Corrosion .resistance
.- .Wear .resistance
.- .Surface .texture
.- .Biocompatibility
What .are .four .common .types .of .surface .modification? .- .correct .answer.- .Laser .treatment
- .chemical .treatment
- .HA
- .add .ceramic .coating
What .are .some .causes .of .joint .replacements? .- .correct .answer.- .Joint .diseases .(most
.common .rheumatoid .arthritis)
- .Long .term .wear .(ex:osteoarthritis)
- .Bone .fractures
- .Avascular .necrosis
