BIOS 252 Final Exam Review Questions With Solutions 100% Correct
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Course
BIOS 252
Institution
BIOS 252
BIOS 252 Final Exam Review Questions With
Solutions 100% Correct
What are the three types of muscle tissue? Skeletal, Cardiac, and Smooth
What are characteristics of skeletal muscle? Striated, voluntary, multinucleated, somatic
nervous system control
What are characteristics of smooth muscle...
BIOS 252 Final Exam Review Questions With Solutions 100% Correct What are the three types of muscle tissue? Skeletal, Cardiac, and Smooth What are characteristics of skeletal muscle? Striated, voluntary, multinucleated, somatic nervous system control What are characteristics of smooth muscle? Non-striated, involuntary, uninucleated, autonomic nervous control What are characteristics of cardiac muscle? Striated, branching, uninucleated, involuntary, autonomic nervous control, intercalated discs (gap junctions) What is the thick filament? Myosin What is the thin filament? Actin What are mediating proteins of muscle tissue? Troponin and Tropomyosin BIOS 252 Final Exam Review Questions With Solutions 100% Correct What does Calcium bind to? Troponin Where does Calcium come from? Sarcoplasmic Reticulum When Calcium binds to Troponin, what happens? There is a confirmational change wherein Troponin moves Tropomyosin away so that Myosin can bind to Actin What are characteristics of all muscles? Electrical excitability, extensibility, elasticity, contractility What are the three meninges from outer to inner, including spaces? Dura Mater, Arachnoid Mater, Subarachnoid Space (where CSF is found), Pia Mater (directly attached to spinal cord and brain) What is the filum terminale? An extension of the Pia Mater which attaches the spinal cord to coccygeal segment BIOS 252 Final Exam Review Questions With Solutions 100% Correct What is an isometric contraction? Length of muscle does not change, but tension does What is an isotonic contraction? Length of muscle changes, but tension does not What is a concentric isotonic contraction? Muscle shortens What is an eccentric isotonic contraction? Muscle lengthens What is an agonist? Prime mover What is an antagonist? Opposes action of the prime mover What is a synergist? An "assistant" or "helper" muscle to the agonist What is a fixator? Stabilizes muscles
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