Musculoskeletal Questions 5

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

Which is not blended together?:
Endomysium
Epimysium
Perimysium
Deep fascia
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 - Sarcoplasm - Fascicle - Muscle
Myocyte - Myofibril- Fascicle - Muscle
Myofibril - Myocyte - Fascicle - Endomysium - Muscle
Myofibril - Myocyte - Fascicle - Muscle
Mark!

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

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

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

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

Which is not a function of skeletal muscle connective tissue?
Provide scaffolding for myogenesis in the adult
Distribute the forces of contraction
Prevent excessive stretching of the sarcomeres
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 holds sarcomeres together
It is deficient in muscular dystrophy
Bonds myocytes to the basement membrane
It strengthens and transmits forces from sarcolemma
Mark!

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