Muscular System Review

Which muscle is located below the gastrocnemius?

• Vastus Intermedius

• Soleus

• Teres Major

• Semitendinosus

Name the muscle in the picture

• Latissimus Dorsi

• Pectoralis Major

• Rectus Abdominus

• External Oblique

The quadriceps group consists of.........................

• Bicep Femoris, Semimembranosus, Semitendinosus

• Erector Spinae, Trapezius, Teres Major

• Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius

• Rectus Abdominis, Obliques, Latissimus Dorsi

Which muscle will be the primary muscle contracting to allow plantar flexion?

• Trapezius

• Erector Spinae

• Tibialis Anterior

• Gastrocnemius

Name this muscle

• Biceps Femoris

• Gluteus Maximus

• Semitendinosus

• Vastus Medialis

The location where a muscle fiber and neuron meet is called:

• Neuromuscular Junction
• Musculoneural Junction
• Sarcomere
• Motor Neuron

During the first phase of contraction, what leaves the neuron and binds to the muscle fiber?

• A neurotransmitter called Acetylcholine (ACh)
• Calcium ions
• Sodium ions
• An action potential

Where is calcium stored in a muscle fiber?

• Sarcolemma
• Sarcoplasmic Reticulum
• T-tubule
• Sarcomere

What is the smallest contractile unit of a muscle fiber?

• Sarcomere
• Sarcolemma
• Sarcoplasmic Reticulum
• Sarcoplasm

What is the name of the thick filaments in a sarcomere?

• Actin

• Myosin

• Myoglobin

• Titan