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Exam 1: BIOS 252/ BIOS252 (Latest 2026/ 2027 Update) Anatomy and Physiology II with Lab Review| Q/A | Grade A| 100% Correct (Verified Answers) -Chamberlain

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Institution Chamberlain College Of Nursing
Course BIOS 252/ BIOS252 (BIOS252)
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Exam 1: BIOS 252/ BIOS252 (Latest 2026/ 2027 Update) Anatomy and Physiology II with Lab Review| Q/A | Grade A| 100% Correct (Verified Answers) -Chamberlain QUESTION What is a fascicle Answer: bundle of muscle fibers QUESTION How are muscles formed Answer: myoblasts (immature cell) develop into myocytes QUESTION Muscle tissue components Answer: perimysium, tendon, epimysium, fascicle QUESTION what is perimysium Answer: protective sheath on the outside QUESTION what is tendon Answer: fibrous taping of epimysium QUESTION what is epimysium Answer: sheath around the outside of perimysium QUESTION place the following structures from smallest to largest: filament, skeletal muscle, muscle fiber, myofibril, fascicle Answer: filament (myosin + actin), myofibril, muscle fiber, fascicle, skeletal muscle QUESTION Explain sliding filament theory Answer: explains how muscles contract by describing the movement of actin and myosin filaments within muscle fibers QUESTION Difference between myosin and actin Answer: myosin is a thick filament, actin is a thin filament QUESTION 3 types of muscle protein Answer: contractile, regulatory, structural QUESTION parts of contractile protiein Answer: myosin, actin

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Examl 1:l BIOSl 252/l BIOS252l (Latestl
2026/l 2027l Update)l Anatomyl andl
Physiologyl IIl withl Labl Review|l Q/Al |l
Gradel A|l 100%l Correctl (Verifiedl
Answers)l -Chamberlain

Q:l Whatl isl al fascicle

Answer:
bundlel ofl musclel fibers




Q:l Howl arel musclesl formed

Answer:
myoblastsl (immaturel cell)l developl intol myocytes




Q:l Musclel tissuel components

Answer:
perimysium,l tendon,l epimysium,l fascicle




Q:l whatl isl perimysium

,Answer:
protectivel sheathl onl thel outside




Q:l whatl isl tendon

Answer:
fibrousl tapingl ofl epimysium




Q:l whatl isl epimysium

Answer:
sheathl aroundl thel outsidel ofl perimysium




Q:l placel thel followingl structuresl froml smallestl tol largest:l filament,l skeletall muscle,l
musclel fiber,l myofibril,l fascicle


Answer:
filamentl (myosinl +l actin),l myofibril,l musclel fiber,l fascicle,l skeletall muscle




Q:l Explainl slidingl filamentl theory

Answer:
explainsl howl musclesl contractl byl describingl thel movementl ofl actinl andl myosinl
filamentsl withinl musclel fibers

, Q:l Differencel betweenl myosinl andl actin

Answer:
myosinl isl al thickl filament,l actinl isl al thinl filament




Q:l 3l typesl ofl musclel protein

Answer:
contractile,l regulatory,l structural




Q:l partsl ofl contractilel protiein

Answer:
myosin,l actin




Q:l partsl ofl regulatoryl protein

Answer:
troponin,l tropomyosin




Q:l partsl ofl structurall protein

Answer:

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