Musculoskeletal Questions 5

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

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

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

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

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

Satellite cells do not:
Have to survive rough handling
Have the ability to repair the myocyte by joining the syncytium
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?
Provide scaffolding for myogenesis in the adult
Prevent excessive stretching of the sarcomeres
Distribute the forces of contraction
Provide space for innervation and blood supply
Mark!

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

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

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