Muscle Anatomy

Front

A sarcomere is

Back

The basic contractile unit of muscle contraction

Front

The part of the sarcomere that A (green) refers to is the? Options: Z Line, M Line, H Line, A Line

Back

Z Line

Front

The part of the sarcomere that C (Blue) refers to is the? Options: Actin, Myosin, Troponin, Tropomyosin

Back

Actin

Front

The part of the sarcomere that D (Red) refers to is the? Options: Actin, Myosin, Troponin, Tropomyosin

Back

Myosin

Front

What state is the sarcomere in? Options: Relaxed, Contracting, Fully Contracted, None of the above

Back

Relaxed

Front

What state is the sarcomere in #2? Options: Relaxed, Contracting, Fully Contracted, None of the above

Back

Contracting

Front

What happens to the Z lines during a sarcomere contraction?

Back

gets closer together

Front

The epimysium covers

Back

the entire muscle

Front

Which connective tissue surrounds the fascicle?

Back

perimysium

Front

What is another name for #9 (cell membrane)?

Back

Sarcolemma