BIOS 252 Final Exam Review (Latest 2024 /
2025) : Anatomy And Physiology II With Lab -
Chamberlain
What are the three types of muscle tissue? - ANSWER
Skeletal, Cardiac, and Smooth
What are characteristics of skeletal muscle? - ANSWER
Striated, voluntary, multinucleated, somatic nervous system control
What are characteristics of smooth muscle? - ANSWER
Non-striated, involuntary, uninucleated, autonomic nervous control
What are characteristics of cardiac muscle? - ANSWER
Striated, branching, uninucleated, involuntary, autonomic nervous control,
intercalated discs (gap junctions)
,What is the thick filament? - ANSWER Myosin
What is the thin filament? - ANSWER Actin
What are mediating proteins of muscle tissue? - ANSWER
Troponin and Tropomyosin
What does Calcium bind to? - ANSWER Troponin
Where does Calcium come from? - ANSWER
Sarcoplasmic Reticulum
, When Calcium binds to Troponin, what happens? - ANSWER
There is a confirmational change wherein Troponin moves Tropomyosin away so
that Myosin can bind to Actin
What are characteristics of all muscles? - ANSWER
Electrical excitability, extensibility, elasticity, contractility
What are the three meninges from outer to inner, including spaces? -
ANSWER Dura Mater, Arachnoid Mater, Subarachnoid Space
(where CSF is found), Pia Mater (directly attached to spinal cord and brain)
What is the filum terminale? - ANSWER An extension of
the Pia Mater which attaches the spinal cord to coccygeal segment
What is an isometric contraction? - ANSWER Length of
muscle does not change, but tension does
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