Examl 1:l BIOSl 252/l BIOS252l (Latestl
2026/l 2027l Update)l Anatomyl andl
Physiologyl IIl withl Labl Guide|l Q/Al |l
Gradel A|l 100%l Correctl (Verifiedl
Answers)l -Chamberlain
Q:l Endomysium
Answer:
-Thinl sleevel ofl loosel connectivel tissuel aroundl eachl musclel fiber
-Allowsl rooml forl capillariesl andl nervel fibersl tol reachl everyl musclel fiber
-Providesl extracellularl chemicall environmentl forl thel musclel fiberl andl itsl associatedl
nervel ending
Q:l Perimysium
Answer:
-Thickerl connectivel tissuel thatl wrapsl musclel fibersl togetherl inl bundles---fascicles
-carriesl thel largerl nervesl andl bloodl vesselsl asl welll asl stretchl receptors---musclel
spindles.
Q:l Epimysium
Answer:
-Fibrousl sheathl surroundingl entirel muscle
,-onl itsl outerl surface,l thel epimysiuml gradesl intol thel fascia;l itsl innerl surfacel issuesl
projectionsl betweenl thel fasciclesl tol forml thel perimysium
Q:l sarcomere
Answer:
-Contractilel unitl ofl muscle
-Separatedl froml eachl otherl byl darkl bandsl calledl Zl lines
-Distancel betweenl Zl discl tol al Zl disc
Q:l Il band
Answer:
-froml thel endl ofl onel thickl filamentl tol thel beginningl ofl thel nextl thickl filament
-Thisl isl whatl createsl thel lightl band
Q:l Al band
Answer:
-froml thel beginningl ofl onel thickl filamentl tol thel endl ofl thel samel thickl filament
-Thisl isl whatl createsl thel darkl band
Q:l Hl band
Answer:
-froml thel endl ofl onel thinl filamentl tol thel beginningl ofl thel nextl thinl filament
, -notl asl dark
-middlel ofl Al band
-thickl filamentsl only
Q:l Zl disk(line)
Answer:
-providesl thel anchoragel forl thel thinl andl elasticl filaments.
Q:l Ml line
Answer:
-thel linel foundl atl thel centerl ofl thel thickl filament
-Providesl anl anchorl forl thel thickl filament
-middlel ofl Hl band
Q:l Sarcolemma
Answer:
thel plasmal membranel ofl al musclel cell
Q:l Myosin
Answer:
thickl filamentl protein
2026/l 2027l Update)l Anatomyl andl
Physiologyl IIl withl Labl Guide|l Q/Al |l
Gradel A|l 100%l Correctl (Verifiedl
Answers)l -Chamberlain
Q:l Endomysium
Answer:
-Thinl sleevel ofl loosel connectivel tissuel aroundl eachl musclel fiber
-Allowsl rooml forl capillariesl andl nervel fibersl tol reachl everyl musclel fiber
-Providesl extracellularl chemicall environmentl forl thel musclel fiberl andl itsl associatedl
nervel ending
Q:l Perimysium
Answer:
-Thickerl connectivel tissuel thatl wrapsl musclel fibersl togetherl inl bundles---fascicles
-carriesl thel largerl nervesl andl bloodl vesselsl asl welll asl stretchl receptors---musclel
spindles.
Q:l Epimysium
Answer:
-Fibrousl sheathl surroundingl entirel muscle
,-onl itsl outerl surface,l thel epimysiuml gradesl intol thel fascia;l itsl innerl surfacel issuesl
projectionsl betweenl thel fasciclesl tol forml thel perimysium
Q:l sarcomere
Answer:
-Contractilel unitl ofl muscle
-Separatedl froml eachl otherl byl darkl bandsl calledl Zl lines
-Distancel betweenl Zl discl tol al Zl disc
Q:l Il band
Answer:
-froml thel endl ofl onel thickl filamentl tol thel beginningl ofl thel nextl thickl filament
-Thisl isl whatl createsl thel lightl band
Q:l Al band
Answer:
-froml thel beginningl ofl onel thickl filamentl tol thel endl ofl thel samel thickl filament
-Thisl isl whatl createsl thel darkl band
Q:l Hl band
Answer:
-froml thel endl ofl onel thinl filamentl tol thel beginningl ofl thel nextl thinl filament
, -notl asl dark
-middlel ofl Al band
-thickl filamentsl only
Q:l Zl disk(line)
Answer:
-providesl thel anchoragel forl thel thinl andl elasticl filaments.
Q:l Ml line
Answer:
-thel linel foundl atl thel centerl ofl thel thickl filament
-Providesl anl anchorl forl thel thickl filament
-middlel ofl Hl band
Q:l Sarcolemma
Answer:
thel plasmal membranel ofl al musclel cell
Q:l Myosin
Answer:
thickl filamentl protein
