Muscular System PRE/POST Test

What occurs when muscles are not used?

• muscular dystrophy
• botox
• atrophy
• rigor mortis

The end of a muscle attached to the bone that moves when the muscle contracts.

• isotonic
• origin
• insertion
• actin

The muscle that is contracting,causing the movement is called

• Antagonist
• Synergist
• Fixator
• Prime mover

the neurotransmitter that gets a muscle contraction started

• acetylcholine
• serotonin
• dopamine
• acetylcholinterase

a bundle of muscle fibers

• actin
• mysoin
• fascicle
• sarcomere

the cell membrane of a muscle cell

• sarcoplasm
• sarcolemma
• sarcomere
• myofibril

states that the muscle fibers shorten as the actin and myosin filaments pull on each other

• threshold stimulus theory
• sliding filament theory
• neurotransmitter theory
• all or none principle

 what muscle                                          is this?

• Rhomboid Major
• Trapesiuz
• Internal Oblique
• Latissimus Dorsi

What muscle is this?

• Gastrocnemius
• Tibialis Anterior
• Extensor Digitorum Longus
• Plantaris

What is the name of this muscle?

• Bicep
• Tricep
• Deltoid
• Trapezius