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Pre-Lab Questions
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1
The outermost layer of connective tissue of a muscle is the
A)fascicle.
B)endomysium.
C)epimysium.
D)perimysium.
2
The thick myofibril filament of a sarcomere is composed of a protein
A)myosin.
B)actin.
C)titin.
D)sarcolemma.
3
The muscle primarily responsible for a movement is the
A)synergist.
B)prime mover (agonist).
C)antagonist.
D)origin.
4
The neuron and the collection of muscle fibers it innervates is called the
A)neural impulse.
B)muscle fiber.
C)motor neuron.
D)motor unit.
5
The functional contractile unit of a muscle fiber (cell) is a
A)sarcoplasm.
B)sarcolemma.
C)sarcomere.
D)sarcoplasmic reticulum.
6
The role of a particular muscle is always the same.
A)True
B)False
7
A synergist muscle contraction assists the prime mover.
A)True
B)False
8
The plasma membrane of a muscle fiber (cell) is called the sarcolemma.
A)True
B)False





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