Musculoskeletal Questions 5

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

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

Which is not true of deep facia?:
It forms the outer sleeve of compartments
It surrounds each muscle individually
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:
Mitosis of myocytes
Hypertrophy
Hyperplasia
Heavy resistance training or anabolic steroids
Mark!

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

Satellite cells do not:
Have a limited ability to make mew myocytes
Have to survive rough handling
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?
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?
It holds A bands together
Holds Z lines together
Allows a cut myocyte to contribute to overall load
Is partially responsible for striation
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?
Epimysium
Blood vesicles
Dorsiflexors
Subcutaneous tissue
Mark!