Musculoskeletal Questions 5

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

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

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

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

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

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

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

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

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

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