NURS 612 Exam 4
v7 v7 v7
Osteoblastsv7-v7correctv7answer✔ ✔ Primaryv7bone-producingv7cells
-youngv7immaturev7cell
Osteocytesv7-v7correctv7answer✔ ✔
Transformedv7osteoblastsv7thatv7arev7surroundedv7byv7newv7bonev7tissue
Osteoclastsv7-v7correctv7answer✔ ✔
Thev7majorv7reabsorptivev7cellsv7ofv7thev7bonev7(breaksv7downv7bone)
Newv7bonev7isv7softv7andv7hardensv7whenv7itv7getsv7mineralizedv7byv7_______v
7andv7_________v7-v7correctv7answer✔ ✔ calciumv7andv7phosphate
Jointsv7arev7alsov7calledv7_________v7-v7correctv7answer✔ ✔
articulations
Thev7functionalv7unitsv7ofv7musclev7contractionsv7arev7_________.v7Theyv7ar
ev7madev7ofv7_______v7andv7________v7-v7correctv7answer✔ ✔
Myofibrils;v7actinv7andv7myosin
,Whatv7dov7redv7musclesv7havev7thatv7whitev7musclesv7lack?v7-
v7correctv7answer✔ ✔ Myoglobin-
av7reservoirv7ofv7oxygenv7forv7thev7musclesv7(whyv7whitev7musclesv7fatiguev7q
uickly)
excitation-contractionv7couplingv7-v7correctv7answer✔ ✔
eventsv7thatv7linkv7thev7actionv7potentialsv7onv7thev7sarcolemmav7(thev7mem
branev7ofv7thev7muscle)v7tov7activationv7ofv7thev7myofilaments,v7therebyv7prep
aringv7themv7tov7contract
APv7fromv7LMNv7depolarizesv7musclev7membranev7atv7thev7motorv7endv7plate
.v7Thatv7depolarizationv7spreadsv7allv7overv7thev7sarcolemma
Depolarizationv7increasesv7thev7amountv7ofv7calciumv7inv7thev7cytoplasm/sar
coplasmv7whichv7stimulatesv7contraction
Physiologicv7Tetanusv7-v7correctv7answer✔ ✔
occursv7whenv7motorv7unitsv7arev7stimulatedv7againv7andv7thev7musclev7unitv
7hasv7notv7beenv7ablev7tov7relaxv7betweenv7stimulationv7andv7thev7nextv7contrac
tion
Responsev7tov7anv7APv7isv7calledv7av7______v7-v7correctv7answer✔ ✔
twitch
,____________v7givesv7thev7phosphoricv7groupv7tov7ATPv7-v7correctv7answer
✔ ✔ Phosphocreatine
Isometricv7contractionv7-v7correctv7answer✔ ✔
Musclev7contractsv7butv7therev7isv7nov7movement,v7musclev7staysv7thev7same
v7length
Samev7length,v7changingv7tension
Isotonicv7contractionv7-v7correctv7answer✔ ✔
musclev7shortensv7becausev7musclev7tensionv7exceedsv7load
Samev7tension,v7changingv7length
Tendonsv7-v7correctv7answer✔ ✔ •Attachv7musclev7tov7bone
•Transferv7forcesv7fromv7musclev7tov7bone
•Actv7asv7av7typev7ofv7biologicv7springv7forv7musclesv7tov7allowv7additionalv7sta
bilityv7duringv7movement
Ligamentsv7-v7correctv7answer✔ ✔ •Attachv7bonev7tov7bone
•Stabilizev7jointsv7againstv7excessivev7movement
, Sarcopeniav7-v7correctv7answer✔ ✔
thev7lossv7ofv7musclev7mass,v7strength,v7andv7functionv7thatv7comesv7withv7a
ging
Rhabdomyolysisv7-v7correctv7answer✔ ✔
breakdownv7ofv7striated/skeletalv7musclev7(causedv7byv7trauma,v7extremev7
exertion,v7crashv7injuries,v7seizures,v7orv7drugv7toxicity)
causesv7thev7releasev7ofv7intracellularv7contents,v7includingv7thev7proteinv7pig
mentv7myoglobin,v7intov7thev7extracellularv7spacev7andv7bloodstream
•Canv7resultv7inv7hyperkalemia,v7cardiacv7arrhythmia,v7acutev7renalv7failurev7
duev7tov7myoglobinv7precipitationv7inv7thev7renalv7tubules
Rhabdomyolysisv7Triadv7ofv7manifestationsv7-v7correctv7answer✔ ✔
•Musclev7pain
•Weakness
•Darkv7urine
Whatv7isv7thev7mainv7riskv7ofv7rhabdomyolysis?v7-v7correctv7answer✔ ✔
Acutev7Kidneyv7Injury
-fromv7accumulationv7ofv7myoglobinv7inv7renalv7tubules
v7 v7 v7
Osteoblastsv7-v7correctv7answer✔ ✔ Primaryv7bone-producingv7cells
-youngv7immaturev7cell
Osteocytesv7-v7correctv7answer✔ ✔
Transformedv7osteoblastsv7thatv7arev7surroundedv7byv7newv7bonev7tissue
Osteoclastsv7-v7correctv7answer✔ ✔
Thev7majorv7reabsorptivev7cellsv7ofv7thev7bonev7(breaksv7downv7bone)
Newv7bonev7isv7softv7andv7hardensv7whenv7itv7getsv7mineralizedv7byv7_______v
7andv7_________v7-v7correctv7answer✔ ✔ calciumv7andv7phosphate
Jointsv7arev7alsov7calledv7_________v7-v7correctv7answer✔ ✔
articulations
Thev7functionalv7unitsv7ofv7musclev7contractionsv7arev7_________.v7Theyv7ar
ev7madev7ofv7_______v7andv7________v7-v7correctv7answer✔ ✔
Myofibrils;v7actinv7andv7myosin
,Whatv7dov7redv7musclesv7havev7thatv7whitev7musclesv7lack?v7-
v7correctv7answer✔ ✔ Myoglobin-
av7reservoirv7ofv7oxygenv7forv7thev7musclesv7(whyv7whitev7musclesv7fatiguev7q
uickly)
excitation-contractionv7couplingv7-v7correctv7answer✔ ✔
eventsv7thatv7linkv7thev7actionv7potentialsv7onv7thev7sarcolemmav7(thev7mem
branev7ofv7thev7muscle)v7tov7activationv7ofv7thev7myofilaments,v7therebyv7prep
aringv7themv7tov7contract
APv7fromv7LMNv7depolarizesv7musclev7membranev7atv7thev7motorv7endv7plate
.v7Thatv7depolarizationv7spreadsv7allv7overv7thev7sarcolemma
Depolarizationv7increasesv7thev7amountv7ofv7calciumv7inv7thev7cytoplasm/sar
coplasmv7whichv7stimulatesv7contraction
Physiologicv7Tetanusv7-v7correctv7answer✔ ✔
occursv7whenv7motorv7unitsv7arev7stimulatedv7againv7andv7thev7musclev7unitv
7hasv7notv7beenv7ablev7tov7relaxv7betweenv7stimulationv7andv7thev7nextv7contrac
tion
Responsev7tov7anv7APv7isv7calledv7av7______v7-v7correctv7answer✔ ✔
twitch
,____________v7givesv7thev7phosphoricv7groupv7tov7ATPv7-v7correctv7answer
✔ ✔ Phosphocreatine
Isometricv7contractionv7-v7correctv7answer✔ ✔
Musclev7contractsv7butv7therev7isv7nov7movement,v7musclev7staysv7thev7same
v7length
Samev7length,v7changingv7tension
Isotonicv7contractionv7-v7correctv7answer✔ ✔
musclev7shortensv7becausev7musclev7tensionv7exceedsv7load
Samev7tension,v7changingv7length
Tendonsv7-v7correctv7answer✔ ✔ •Attachv7musclev7tov7bone
•Transferv7forcesv7fromv7musclev7tov7bone
•Actv7asv7av7typev7ofv7biologicv7springv7forv7musclesv7tov7allowv7additionalv7sta
bilityv7duringv7movement
Ligamentsv7-v7correctv7answer✔ ✔ •Attachv7bonev7tov7bone
•Stabilizev7jointsv7againstv7excessivev7movement
, Sarcopeniav7-v7correctv7answer✔ ✔
thev7lossv7ofv7musclev7mass,v7strength,v7andv7functionv7thatv7comesv7withv7a
ging
Rhabdomyolysisv7-v7correctv7answer✔ ✔
breakdownv7ofv7striated/skeletalv7musclev7(causedv7byv7trauma,v7extremev7
exertion,v7crashv7injuries,v7seizures,v7orv7drugv7toxicity)
causesv7thev7releasev7ofv7intracellularv7contents,v7includingv7thev7proteinv7pig
mentv7myoglobin,v7intov7thev7extracellularv7spacev7andv7bloodstream
•Canv7resultv7inv7hyperkalemia,v7cardiacv7arrhythmia,v7acutev7renalv7failurev7
duev7tov7myoglobinv7precipitationv7inv7thev7renalv7tubules
Rhabdomyolysisv7Triadv7ofv7manifestationsv7-v7correctv7answer✔ ✔
•Musclev7pain
•Weakness
•Darkv7urine
Whatv7isv7thev7mainv7riskv7ofv7rhabdomyolysis?v7-v7correctv7answer✔ ✔
Acutev7Kidneyv7Injury
-fromv7accumulationv7ofv7myoglobinv7inv7renalv7tubules
