ANATOMY EXAM 3 IUPUI 2025 QUESTIONS AND ANSWERS

ANATOMY EXAM 3 IUPUI 2025
QUESTIONS AND ANSWERS


muscle fiber - ....ANSWER ...-muscle cell


epimysium - ....ANSWER ...-surrounds entire muscle


Perimysium - ....ANSWER ...-Connective tissue surrounding a fascicle


Endomysium - ....ANSWER ...-Connective tissue surrounding a muscle fiber


epimysium - ....ANSWER ...-


Perimysium - ....ANSWER ...-


Endomysium - ....ANSWER ...-


sarcolemma - ....ANSWER ...-plasma membrane of a muscle cell


sarcoplasmic reticulum - ....ANSWER ...-Organelle of the muscle fiber that

stores calcium.


voluntary, striated - ....ANSWER ...-skeletal muscle


striated, involuntary - ....ANSWER ...-cardiac muscle


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, involuntary, non-striated - ....ANSWER ...-smooth muscle


sarcomere - ....ANSWER ...-Contractile unit of muscle


sarcomere - ....ANSWER ...-Z disc to Z disc


myosin - ....ANSWER ...-thick filament


actin - ....ANSWER ...-thin filaments


I band - ....ANSWER ...-light band


zone of overlap - ....ANSWER ...-the densest, darkest area on a light

micrograph

where thick and thin filaments overlap


h band - ....ANSWER ...-middle of A band; thick filaments only


m line - ....ANSWER ...-middle of sarcomere


a band - ....ANSWER ...-dark area; extends length of the thick filaments,

anisoprophic


move closer together - ....ANSWER ...-Z-lines _____ during contraction


doesn't change - ....ANSWER ...-during contraction the A band ____


Contractility - ....ANSWER ...-ability to shorten forcibly when stimulated


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