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EEOB 2520 - Exam 9 Questions With
Verified Answers
There are thin layers of muscle that connect your individual ribs and allow your rib cage to
expand. These muscles... - Answers✔are under somatic control
have visible stripes
will not be inhibited by the sympathetic nervous system
(All 3 statements are correct)
Where there is no calcium present in the skeletal myofiber... - Answers✔tropomyosin will be in
a blocking position
Which is a correct pairing of an action and the consequence in crossbridge cycling? -
Answers✔the flex of the crossbridge directly causes the movement of the actin
the hydrolysis process is only associated with causing the deflexion of the crossbridge
When ______ is absent from the cytosol of a skeletal myofiber, the cross bridges are in the
_____ position - Answers✔ATP - flexed
When a skeletal myofiber contracts... - Answers✔the M line moves relative to the Z line/disc
the sarcoplasmic reticulum... - Answers✔causes the myofibers to have myofibrils
the concentration of calcium ______ in the skeletal myofiber when acetylcholine is ______ from
the neuromuscular junction - Answers✔does not change - present
Which is a correct statement about skeletal muscle? - Answers✔tropomyosin does not have a
binding site for calcium
the muscle is innervated by multiple somatic efferents