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The Human Body in Health and Illness: Chapter 3 Exam Questions With Verified Answers
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The Human Body in Health and Illness: Chapter 3 Exam Questions With Verified Answers
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©THEBRIGHT EXAM SOLUTIONS 2024/2025ALL RIGHTS RESERVED.
The Human Body in Health and Illness:
Chapter 9 Exam Study Guide
Striated and voluntary - Answers✔skeletal muscle
Found in the walls of organs or viscera - Answers✔smooth muscle
found in the walls of blood vessels - Answers✔smooth muscle
Striated and involuntary - Answers✔cardiac muscle
Found in the heart - Answers✔cardiac muscle
nonstriated and involuntary - Answers✔smooth muscle
found attached to bones - Answers✔skeletal muscle
The only type of muscle that is voluntary - Answers✔skeletal muscle
Must be supplied by a somatic motor nerve - Answers✔skeletal muscle
cordlike structure that attaches muscle to bone - Answers✔tendon
A small bundle of muscle fibers - Answers✔fascicles
connective tissue that surrounds individual muscle fibers - Answers✔endomysium
Flat sheetlike fascia that attaches muscle to muscle or muscle to bone - Answers✔aponeurosis
Connective tissue that surrounds the fascicles or bundles - Answers✔perimysium
Connective tissue that surrounds a whole skeletal muscle - Answers✔epimysium
series of contractile units that make up each myofibril; extends from Z line to Z line -
Answers✔sarcomere
Thin protein filaments that extend toward the center of the sarcomere from the Z lines -
Answers✔actin
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, ©THEBRIGHT EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
thick protein filaments whose "heads" form cross-bridges when they interact with the thin
filaments - Answers✔myosin
Calcium is stored within this structure in the relaxed muscle - Answers✔sarcoplasmic reticulum
(SR)
an extension of the sarcolemma or cell membrane that penetrates into the interior of the muscle;
the electrical signal runs along this membrane toward the sarcoplasmic reticulum - Answers✔T-
tubule
the temporary connection formed when the myosin heads interact with the actin, causing muscle
contraction - Answers✔Cross-bridge
The troponin-tropomyosin complex and this protein are called the thin filament. - Answers✔actin
The muscle responsible for most of the movement in a group of muscles;called the chief muscle -
Answers✔Prime mover
Muscle attachment to the movable bone - Answers✔insertion
An increase in the size of a muscle because of overuse - Answers✔hypertrophy
Muscle attachment to the stationary bone - Answers✔origin
Helper muscle; works with other muscles to produce the same movement - Answers✔synergist
abnormal formation of fibrous tissue in muscles, preventing normal mobility -
Answers✔contracture
Muscle that opposes the action of another muscle - Answers✔antagonist
wasting away or decrease in the size of the muscles - Answers✔atrophy
Classified as disuse, denervation, and senile - Answers✔atrophy
Short - Answers✔brevis
Diagonal - Answers✔oblique
Triangular - Answers✔deltoid
Round - Answers✔teres
buttock - Answers✔gluteus
Large - Answers✔maximus
Huge - Answers✔vastus
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