BMEN 1208 FINAL EXAM QUESTIONS AND CORRECT AN
Biomaterial c- cCORRECT cANS✔✔a c*nonviable cmaterial* cused cin ca cmedical cdevice, cintended ct
csystems*.
used cto cmake cdevices cto c*replace/repair ca cfunction* cof cthe cbody cin ca csafe,
reliable, ceconomic, cand cphysiologically cacceptable cmanner.
any csubstance c(other cthan ca cdrug), cnatural cor csynthetic, cthat ctreats, caugments, cor creplaces ca
cfunction.
Biocompatibility c- cCORRECT cANS✔✔Biocompatibility cis cthe cability cof ca cmaterial cto cperform cw
cresponse cin ca cspecific capplication
Sterilizability c- cCORRECT cANS✔✔Not cdestroyed cby ctypical csterilizing ctechniques csuch cas caut
cethylene coxide
Physical ccharacteristics c- cCORRECT cANS✔✔Strength, celasticity, cdurability
Manufacturability c- cCORRECT cANS✔✔Machinable, cmoldable, cextrudable
Biomaterial cDesign cConsiderations c- cCORRECT cANS✔✔Biocompatibility
Sterilizability
Physical ccharacteristics
Manufacturability
Innate cImmune
System c- cCORRECT cANS✔✔*Specific cResponse*
Biocompatibility cresponse cis clargely cinnate
• cDetection
• cRecruitment cof cCells c(Inflammation)
• cNeutralization cof cthe cThreat
Adaptive cImmune
System c- cCORRECT cANS✔✔*Non-Specific cResponse*
Macrophages: cEat cand csecrete
Macrophages c- cCORRECT cANS✔✔*Phagocytosis* c
Secretes csignals cto cattract cother ccells.
Frustrated cPhagocytosis c- cCORRECT cANS✔✔Macrophages ctry cto ceat csomething cas cbig cas cm
cfrustrated*
and ceventually c*wall coff* cthe cimplant cinside ca cfibrous cstructure
Clinical cEngineering c- cCORRECT cANS✔✔A cspecialty cwithin cBiomedical cengineering cresponsib
, Cardio-heart
Electromyogram c(EMG) c- cCORRECT cANS✔✔electrical cactivity cof cthe
muscles
myo- cmuscle
Electrooculogram c(EOG) c- cCORRECT cANS✔✔electrical cactivity cof cthe ceye
oculo- ceye
Galvanic cskin cresponse c(GSR) c- cCORRECT cANS✔✔electrical cconductance
of cthe cskin
Sinusoids c- cCORRECT cANS✔✔Time cvarying csignals coften cexhibit cperiodicity
theres ca cmath cthing cfor cit
Hz c- cCORRECT cANS✔✔number cof ccycles cper csecond
Filtering c- cCORRECT cANS✔✔selectively c*removes cfrequencies* cfrom coriginal csignal
Continuous csignals c- cCORRECT cANS✔✔such cas cvoltage care cdefined cfor call c*instants cof ctime
Discrete csignals c- cCORRECT cANS✔✔defined conly cat c*specific
times*
can cbe cformed cby
sampling ccontinuous
signals
Nyquist cSampling cRate c- cCORRECT cANS✔✔To cunambiguously cmeasure cthe cfrequency cof ca c
cequal cto cgreater cthan ctwice cits
frequency*
Biomedical cInstrumentation c- cCORRECT cANS✔✔Field cof ccreating cinstruments cto cmeasure, cre
transmit cdata cto cor cfrom cthe cbody
How cdoes cbiomedical cInstrumentation cdiffer cfrom cconventional cinstruments? c- cCORRECT cANS
ctissue
energy cis capplied cto cthe cliving ctissue
basic cobjective cof cany cinstrumentation c- cCORRECT cANS✔✔any cone cof cthese... c
Information cgathering
Measurement
Evaluation
Monitoring
Control
Modifying cinputs c- cCORRECT cANS✔✔undesired cquantities cthat cindirectly caffect cthe coutput cby
cthe cinstrument citself
Biomaterial c- cCORRECT cANS✔✔a c*nonviable cmaterial* cused cin ca cmedical cdevice, cintended ct
csystems*.
used cto cmake cdevices cto c*replace/repair ca cfunction* cof cthe cbody cin ca csafe,
reliable, ceconomic, cand cphysiologically cacceptable cmanner.
any csubstance c(other cthan ca cdrug), cnatural cor csynthetic, cthat ctreats, caugments, cor creplaces ca
cfunction.
Biocompatibility c- cCORRECT cANS✔✔Biocompatibility cis cthe cability cof ca cmaterial cto cperform cw
cresponse cin ca cspecific capplication
Sterilizability c- cCORRECT cANS✔✔Not cdestroyed cby ctypical csterilizing ctechniques csuch cas caut
cethylene coxide
Physical ccharacteristics c- cCORRECT cANS✔✔Strength, celasticity, cdurability
Manufacturability c- cCORRECT cANS✔✔Machinable, cmoldable, cextrudable
Biomaterial cDesign cConsiderations c- cCORRECT cANS✔✔Biocompatibility
Sterilizability
Physical ccharacteristics
Manufacturability
Innate cImmune
System c- cCORRECT cANS✔✔*Specific cResponse*
Biocompatibility cresponse cis clargely cinnate
• cDetection
• cRecruitment cof cCells c(Inflammation)
• cNeutralization cof cthe cThreat
Adaptive cImmune
System c- cCORRECT cANS✔✔*Non-Specific cResponse*
Macrophages: cEat cand csecrete
Macrophages c- cCORRECT cANS✔✔*Phagocytosis* c
Secretes csignals cto cattract cother ccells.
Frustrated cPhagocytosis c- cCORRECT cANS✔✔Macrophages ctry cto ceat csomething cas cbig cas cm
cfrustrated*
and ceventually c*wall coff* cthe cimplant cinside ca cfibrous cstructure
Clinical cEngineering c- cCORRECT cANS✔✔A cspecialty cwithin cBiomedical cengineering cresponsib
, Cardio-heart
Electromyogram c(EMG) c- cCORRECT cANS✔✔electrical cactivity cof cthe
muscles
myo- cmuscle
Electrooculogram c(EOG) c- cCORRECT cANS✔✔electrical cactivity cof cthe ceye
oculo- ceye
Galvanic cskin cresponse c(GSR) c- cCORRECT cANS✔✔electrical cconductance
of cthe cskin
Sinusoids c- cCORRECT cANS✔✔Time cvarying csignals coften cexhibit cperiodicity
theres ca cmath cthing cfor cit
Hz c- cCORRECT cANS✔✔number cof ccycles cper csecond
Filtering c- cCORRECT cANS✔✔selectively c*removes cfrequencies* cfrom coriginal csignal
Continuous csignals c- cCORRECT cANS✔✔such cas cvoltage care cdefined cfor call c*instants cof ctime
Discrete csignals c- cCORRECT cANS✔✔defined conly cat c*specific
times*
can cbe cformed cby
sampling ccontinuous
signals
Nyquist cSampling cRate c- cCORRECT cANS✔✔To cunambiguously cmeasure cthe cfrequency cof ca c
cequal cto cgreater cthan ctwice cits
frequency*
Biomedical cInstrumentation c- cCORRECT cANS✔✔Field cof ccreating cinstruments cto cmeasure, cre
transmit cdata cto cor cfrom cthe cbody
How cdoes cbiomedical cInstrumentation cdiffer cfrom cconventional cinstruments? c- cCORRECT cANS
ctissue
energy cis capplied cto cthe cliving ctissue
basic cobjective cof cany cinstrumentation c- cCORRECT cANS✔✔any cone cof cthese... c
Information cgathering
Measurement
Evaluation
Monitoring
Control
Modifying cinputs c- cCORRECT cANS✔✔undesired cquantities cthat cindirectly caffect cthe coutput cby
cthe cinstrument citself
