Musculoskeletal Questions 5

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

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

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

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

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

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

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

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