2021 ANA Muscle Review 1

The term for the shortening & lengthening movement of a muscle

• Retraction

• Stretching

• Striations

• Contractile

Smooth muscle will create the following structures:

• Blood vessels

• Heart

• Stomach

• Biceps

• Intestines

Select the membranes that shape and support a muscle

• Fascicle

• Epimysium

• Tendon

• Endomysium

• Perimysium

The outer membrane that surrounds the entire muscle

• Endomysium

• Perimysium

• Fascicle

• Epimysium

Besides shaping the muscle what other 2 functions does the epimysium have? (2 answers)

• Produces muscle fiber cells

• Extends to the bone to make a tendon

• Surrounds a fascicle bundle

• Reduces friction between muscles

A bundle of muscle fiber cells is called a(n)

• Myofibril

• Actin filament

• Fascicle

• Sarcolemma

This membrane surrounds the fascicle bundles

• Epimysium

• Sarcoplasmic reticulum

• Endomysium

• Perimysium

What is the name of a muscle cell

• Striations

• Endomysium

• Fascicle

• Fiber

This membrane surrounds a muscle fiber cell

• Epimysium

• Perimysium

• Endomysium

• Myofibril

Select the organelles associated with a muscle fiber cell

• Sarcomere

• Actin

• Sarcoplasmic reticulum

• Z-line

• Myofibril