BME 304 Exam Questions & Answers
(Grade A+)
biomaterials -
correct answer ✅started as inert materials that did not chemically
interact with the body and its surroundings, then was defined as a
medical device with minimal interaction with the biological system
and now actively able to interact with the body's biology to elicit
the correct response, and be able to regenerate response and
engage.
ionic bonds -
correct answer ✅poor conductors because electrons are tightly
packed together, so there is no room for charge transfer
metallic bonds -
correct answer ✅valence electrons form a cloud surrounding the
atomic core, with strong attraction between electrons and positive
ions holding the lattice together, there is no set direction for
electron movement allowing the material to easily be
shaped(malleable) without breaking, good conductors since
electrons are loose allowing easy charge transfer.
covalent bonds -
correct answer ✅linear chain like structures, bonds created by
sharing electrons with other atoms. good at being stretched.
, BME 304 Exam Questions & Answers
(Grade A+)
ceramic -
correct answer ✅low memorability, hard, brittle(breaks easily
without bending or stretching), low ductility(not good at stretching
into wire without breaking, snaps) Examples: Carbon, Alumina,
Calcium phosphates; applications include dental implants, cements,
joint prostheses
metals -
correct answer ✅high elastic modulus(can withstand forces that
stretched, compressed, and will return to original shape resisting
change when force is removed) Corrosive, ductile(ability to be
stretched into thin wire without breaking) Examples: stainless steel,
titanium, alloys, Applications: Orthopedic applications, dental
implant, artificial heart parts(heart valve)
polymer -
correct answer ✅highly deformable, ductile(stretch it thin like gum
and not have it break), low elastic modulus( being able to stretch
without which force), weak Examples: polyethylene, chitosan,
collagen, silk Applications: cartilage, wound dressing, vascular grafts
(Grade A+)
biomaterials -
correct answer ✅started as inert materials that did not chemically
interact with the body and its surroundings, then was defined as a
medical device with minimal interaction with the biological system
and now actively able to interact with the body's biology to elicit
the correct response, and be able to regenerate response and
engage.
ionic bonds -
correct answer ✅poor conductors because electrons are tightly
packed together, so there is no room for charge transfer
metallic bonds -
correct answer ✅valence electrons form a cloud surrounding the
atomic core, with strong attraction between electrons and positive
ions holding the lattice together, there is no set direction for
electron movement allowing the material to easily be
shaped(malleable) without breaking, good conductors since
electrons are loose allowing easy charge transfer.
covalent bonds -
correct answer ✅linear chain like structures, bonds created by
sharing electrons with other atoms. good at being stretched.
, BME 304 Exam Questions & Answers
(Grade A+)
ceramic -
correct answer ✅low memorability, hard, brittle(breaks easily
without bending or stretching), low ductility(not good at stretching
into wire without breaking, snaps) Examples: Carbon, Alumina,
Calcium phosphates; applications include dental implants, cements,
joint prostheses
metals -
correct answer ✅high elastic modulus(can withstand forces that
stretched, compressed, and will return to original shape resisting
change when force is removed) Corrosive, ductile(ability to be
stretched into thin wire without breaking) Examples: stainless steel,
titanium, alloys, Applications: Orthopedic applications, dental
implant, artificial heart parts(heart valve)
polymer -
correct answer ✅highly deformable, ductile(stretch it thin like gum
and not have it break), low elastic modulus( being able to stretch
without which force), weak Examples: polyethylene, chitosan,
collagen, silk Applications: cartilage, wound dressing, vascular grafts
