Practice 1: Muscle Structure

Front

What is the connective tissue that wraps around a single muscle fiber?

Back

Endomysium

Front

What type of connective tissue connects skeletal muscle to bone?

Back

Tendon

Front

What is a fascicle made of?

Back

Muscle fibers

Front

Which protein is considered a myofilament?

Back

Actin

Front

True or False: Skeletal muscles attach to bones (or skin) in at least two places.

Back

True

Front

What is the connective tissue that surrounds a fascicle?

Back

Perimysium

Front

What is the outermost layer of connective tissue surrounding a muscle?

Back

Epimysium

Front

What are the two main types of myofilaments?

Back

Actin and Myosin

Front

What is the functional unit of a muscle fiber?

Back

Sarcomere

Front

What is the role of acetylcholine in muscle contraction?

Back

It is a neurotransmitter that stimulates muscle contraction.