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WorksheetsPT 711 Muscle Part 1
Total questions: 10
Worksheet time: 5mins
Tendons and ligaments are made up of what type of collagen?
Type I
Type II
Type III
Type IV
Which of the following is synonymous with "Muscle Cell?"
Myofilament
Myofibril
Myofiber
Myofibrillator
"A single motor neuron, it's associated motor end plates, and all the fibers it innervates" is the definition of what?
Motor Control
Motor Unit
Motor Pattern
Motor Fiber
What is the key neurotransmitter that allows the action potential to transfer to the sacrolemma?
Potassium
Dopamine
Acetylcholine
Adrenalyn
What structure carries the action potential deep into the muscle tissue?
Sarcoplasmic Reticulum
Transverse Tubules
Motor End Plate
Terminal Cisternae
Which of the following is the functional contractile unit of muscle?
Myofibril
Myofilament
Sarcomere
Sarcolemma
How does Ca2+ binding to troponin C facilitate a muscle contraction?
Releases myosin from actin
Fuels the "powerstroke"
Binds myosin to actin
Exposes the active actin binding site
A muscle activation against a fixed resistance with variable speed is called:
Isometric
Isotonic
Isokinetic
Why would a pennate muscle be stronger than a parallel muscle of the same size?
More fibers in the same space
Greater component vector force
Shortens obliquely
What connective tissue layer is directly underneath the deep fascia of muscle?
Epimysium
Perimysium
Endomysium
Ectomysium
