Musculoskeletal Questions 5

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

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

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

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

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

Msucle growth does not involve:
Hyperplasia
Hypertrophy
Mitosis of myocytes
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 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?
Provide space for innervation and blood supply
Provide scaffolding for myogenesis in the adult
Distribute the forces of contraction
Prevent excessive stretching of the sarcomeres
Mark!

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

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

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