Anatomy of a Skeletal Muscle Quiz
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What is the name of the structure that connects muscle to bone?
A. Ligament
B. Tendon
C. Fascia
D. Aponeurosis
The connective tissue that surrounds the individual skeletal muscle fibers, as pictured in 4, is called:
A. epimysium
B. perimysium
C. actin filiament
D. endomysium
This is a chemical message released by neurons.
A. Neurotransmitter.
B. Receptors.
C. Myofibril.
D. T-tubule.
What is released by the sarcoplasmic reticulum when the muscle is hit with an action potential?
A. Acetylcholine
B. Calcium ions (Ca2+)
C. Potassium ions (K+)
D. Troponin
The thin myofilament is called…
A. Actin
B. Myosin
The connective tissue surrounding each fascicle, as pictured in #3, is called:
A. perimysium
B. epimysium
C. endomysium
D. myofibril
The space between the axon terminal and a muscle fiber is called the…
A. sarcolemma.
B. sarcoplasmic reticulum.
C. synaptic cleft.
Endomysium covers the…
A. muscle.
B. fascicle.
C. muscle fiber.
D. myofibril.
This structure is made up of many sarcomeres in a row.
A. Myofibril.
B. Muscle.
C. Muscle fiber.
D. Fascicle.
The … is where a motor neuron and muscle fiber come together.
A. Neuromuscular Junction
B. Synaptic Cleft
C. Axon Terminal
D. Sarcolemma
This structure is made up of many muscle fibers.
A. Myofibril.
B. Muscle.
C. Muscle fiber.
D. Fascicle.
The sarcolemma is a … of a muscle fiber.
A. protein.
B. plasma membrane.
C. tissue sheath.
D. connective tissue.
Which option correctly lists the parts of a skeletal muscle from smallest to largest?
A. Sarcomere, myofibril, muscle fiber, fascicle, muscle.
B. Sarcomere, fascicle, muscle fiber, muscle, tendon.
C. Myosin/Actin, muscle fiber, myofibril, muscle, tendon.
D. Myosin/Actin, myofibril, muscle fiber, muscle.
Myofibrils are composed of individual:
A. sarcomeres
B. striations
C. myofilaments
D. fascicles
The sarcolemma is…
A. the muscle fiber cell membrane.
B. the smaller part of a cell.
C. a protein that makes up a muscle fiber.
D. a chemical message released by neurons.
