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Comprehensivel Exam: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 Calciuml functions
Answer:
strengtheningl bonesl andl teeth regulatingl musclel functions
Q:l ATPl function
Answer:
transferl andl storagel ofl energy
Q:l troponinl andl tromyosinl function
Answer:
-regulatoryl proteins -troponinl andl tropomyosinl coverl upl thel bindingl sitel onl thel actinl proteins -Actinl andl myosinl arel notl ablel tol joinl togetherl untill thel troponinl andl tropomyosinl movel outl ofl thel way
Q:l Potassiuml functions
Answer:
helpsl yourl nervesl tol functionl andl musclesl tol contract 1 / 3
Q:l Identifyl thel musclel thatl actsl asl thel majorl agonistl forl plantarl flexionl ofl thel foot.
Answer:
gastrocnemius
Q:l Extrinsicl Musclesl ofl thel eyel function
Answer:
Mediall Rectusl rotatel thel eyesl medially.Laterall Rectusl rotatel thel eyesl laterally.Superiorl Rectusl turnsl thel eyel upl Superiorly.Inferiorl Rectusl turnsl thel eyel inferiorly.
Q:l Describel whatl arel EPSPsl (excitatoryl postsynapticl potentials)l andl whenl theyl occur
Answer:
openingl ofl Na+l channelsl allowingl forl thel influxl ofl Na+l whichl causesl al depolarizationl
when:
whenl sodiuml ionsl enterl cell
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 sarcoplasmicl reticulum
Answer:
storesl calciuml forl thel cell
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Q:l perimysium
Answer:
-Thickerl connectivel tissuel thatl wrapsl musclel fibersl togetherl inl bundles---fascicles
Q:l sarcolemma
Answer:
thel plasmal membranel ofl al musclel cell
Q:l Describel whatl thel transversel tubulel is?
Answer:
infoldingsl ofl thel sarcolemmal whichl penetratel throughl thel celll andl emergel onl thel otherl side
Q:l Describel thel effectl thatl inhibitoryl neurotransmittersl havel onl al postsynapticl membrane
Answer:
makesl al neuronl lessl likelyl tol firel anl actionl potential
Q:l Listl ofl thel neurogliall cells
Answer:
CNS:l ependymal,l microglial,l astrocytes,l oligodendrocytes
Q:l schwannl cellsl functionl andl division
Answer:
-Forml neurilemmal aroundl alll PNSl nervel fibersl andl myelinl aroundl mostl ofl them
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