Musculoskeletal Questions 5

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

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

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

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

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

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

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

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

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

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

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

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