Exam 4 Flashcards
Which muscle cells have the greatest ability to regenerate
Smooth
In muscle contraction calcium apparently acts to
Remove the blocking action of the tropomyosin
Calcium ions bind to _______molecule and skeletal muscle cells
Tropinon
Creatine phosphate functions in the muscles by
Storing energy that will be transferred to ADP to resynthesize a atp as needed
Rigor mortis occurs because
ATP is required to release the attached actin in myosin molecules
The term aponeurosis refers to
An indirect attachment to skeletal element
One functional unit of the skeletal muscle is
A. Sacromere
A muscle that provides the major force for producing specific movement is called
An agonist
The extensor carbide radialis brevis
Extends an abducts the wrist and it’s short
Which of the following muscles answers by the calcaneal tendon
The gastrocnemius
Orbicularis oris
Closes pierces and protrudes the lips
The structural unit of compact bone is
The osteen
Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?
Parathyroid hormone
Vertebrae are considered________ bones
Irregular
Which fracture would be least likely in a 92-year-old
Green stick