Musculoskeletal Questions 5

Endomyseum does not contain:
Loose irregular connective tissue
Myosin
Nerves
Capillaries
Mark!

Which is not blended together?:
Endomysium
Epimysium
Perimysium
Deep fascia
Mark!

What is not found inside a sarcomere?:
A complete continuous I band
Myosin
Actin
Z disks
Mark!

Which is the correct, and most complete, order of organisation?:
Myofibril - Myocyte - Fascicle - Endomysium - Muscle
Myocyte - Myofibril- Fascicle - Muscle
Myofibril - Myocyte - Fascicle - Muscle
Myofibril - Myocyte - Sarcoplasm - Fascicle - Muscle
Mark!

Which is not true of deep facia?:
It surrounds each muscle individually
it can blend with periosteum
Often muscle can glide underneath it, although it may be part of the tendon
It forms the outer sleeve of compartments
Mark!

Msucle growth does not involve:
Hyperplasia
Hypertrophy
Heavy resistance training or anabolic steroids
Mitosis of myocytes
Mark!

Atrophy will not involve:
Possible paralysis
Decrease in size of myocytes
Heart failure, diabetes, cancer or AIDS
Fibre loss
Mark!

Satellite cells do not:
Have to survive rough handling
Have the ability to repair the myocyte by joining the syncytium
Sit outside the myocyte basement membrane
Have a limited ability to make mew myocytes
Mark!

Which is not a function of skeletal muscle connective tissue?
Prevent excessive stretching of the sarcomeres
Distribute the forces of contraction
Provide scaffolding for myogenesis in the adult
Provide space for innervation and blood supply
Mark!

What is not true of Desmin?
It holds A bands together
Holds Z lines together
Is partially responsible for striation
Allows a cut myocyte to contribute to overall load
Mark!

What is not true of Dystrophin?
Bonds myocytes to the basement membrane
It is deficient in muscular dystrophy
It holds sarcomeres together
It strengthens and transmits forces from sarcolemma
Mark!

Which structure is not found inside a compartment?
Epimysium
Blood vesicles
Dorsiflexors
Subcutaneous tissue
Mark!