Musculoskeletal Questions 5

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

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

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

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

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

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

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

Satellite cells do not:
Sit outside the myocyte basement membrane
Have the ability to repair the myocyte by joining the syncytium
Have to survive rough handling
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
Provide scaffolding for myogenesis in the adult
Distribute the forces of contraction
Provide space for innervation and blood supply
Mark!

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

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

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