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Exam (elaborations)

BMST Test Study Guide | Questions with 100% Correct Answers (A Rated)

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  • Course
  • BMST
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  • BMST

Principle muscle types - ANSWER Smooth, cardiac, skeletal Smooth muscle - ANSWER -Small and spindle shaped -1 nucleus located at center of cell -lacks striations -Unattached to bones, act slowly, do not tire easily, can remain contracted for a long time -Found in wall of internal organs -Invo...

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  • August 24, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BMST
  • BMST
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KenAli
BMST Test Study Guide | Questions
with 100% Correct Answers (A Rated)
Principle muscle types - ANSWER Smooth, cardiac, skeletal



Smooth muscle - ANSWER -Small and spindle
shaped -1 nucleus located at center of cell -lacks
striations

-Unattached to bones, act slowly, do not tire easily, can remain contracted for a long time
-Found in wall of internal organs
-Involuntary


Cardiac muscle - ANSWER -Found in heart
-Involuntary
-Striated and branched

-Joined in a continuous network (membranes of cells are fused at intercalated
disk) -Will not permit independent cell contraction

, Skeletal muscle - ANSWER -Attached to bones of the skeleton via
tendon -Voluntary
-Bundles of muscle cells called muscle fiber

-Striated


Contractibility - ANSWER ability of a muscle to contract and shorten forcefully


Excitability - ANSWER ability to respond to nerve stimuli


Extensibility - ANSWER ability to be stretched


Elasticity - ANSWER ability to return to its normal length



Isotonic contractions - ANSWER -tension in the muscle and muscle's length at joint angle
changes
-concentric: shortening contraction
-eccentric: lengthening contraction
-Dynamic: the contractions of a muscle resulting in movement



Isometric contractions - ANSWER -When the joint angle and muscle length do not change
during contraction
-Static: no visible movement



Origin - ANSWER a muscle's proximal attachment (end of muscle closest to torso)
(least moveable)

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