Muscular System Exam - MAP

The outermost layer of a muscle is called the:

• Fascicle

• Perimysium

• Endomysium

• Epimysium

A myofibril is made up of many ______.

• Muscle fibers

• Endomysium

• Sarcomere

• Femoris

The part of the muscle that remains stationary is called the:

• Insertion

• Origin

• Lateral

• Antagonist

When the sodium gates open, ____________ enters the cell, and ____________ leaves the cell.

• Potassium, Sodium

• Sodium, Calcium

• Sodium, Potassium

• Calcium, Potassium

Which muscle abducts the arm?

• Pronator Teres

• Infraspinatus

• Teres major

• Deltoid

Which muscle rotates the arm laterally?

• Infraspinatus

• Gracilis

• Sartorius

• Zygomaticus

Which muscle flexes the vertebral column?

• Linea Alba

• Rectus Femoris

• Rectus Abdominus

• Latissimus Dorsi

Which muscle helps with dorsiflexion and inversion of the foot?

• Gastrocnemius

• Tibialis Anterior

• Gracilis

• Semimembranosus

The muscle that performs the opposite action of the prime mover is called the ____________________________.

• antagonist

• agonist

• synergist

• fixator

The muscle that stabilizes a joint is called a (a)   .