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WorksheetsThe Muscular System Intro
Total questions: 19
Worksheet time: 10mins
What are the three types of muscle mentioned in the document?
Skeletal, Smooth, Cardiac
Skeletal, Cardiac, Nervous
Smooth, Cardiac, Connective
Cardiac, Nervous, Epithelial
Which muscle is identified as the smallest in the document?
Sartorius
Gluteus maximus
Stapedius
Biceps
What is the function of the epimysium in skeletal muscles?
Separates the muscle into fascicles
Surrounds the entire muscle
Separates fascicles into muscle fibers
Attaches muscle to bone
Which characteristic is NOT true about skeletal muscle fibers?
They are voluntary
They are multinucleate
They are involuntary
They are striated
What is the function of tendons?
To separate muscle fibers
To attach muscle to bone
To surround the entire muscle
To contract the muscle
What are myofibrils fundamental to?
Muscle contraction
Blood circulation
Nerve signaling
Bone growth
Which protein are thick filaments composed of?
Myosin
Actin
Collagen
Elastin
What is the light band in striations composed of the protein actin an are called the ________?
Thin filaments
Thick filaments
Collagen fibers
Elastic fibers
Which type of muscle is self-exciting and rhythmic?
Cardiac muscle
Smooth muscle
Skeletal muscle
Voluntary muscle
What is a characteristic of smooth muscle cells?
Lack striations
Have multiple nuclei
Are voluntary
Are highly organized
Where are visceral smooth muscles found?
In the walls of hollow organs
In the heart
In the skin
In the bones
What structure connects muscle to bone?
Ligament
Tendon
Fascia
Epimysium
Which layer surrounds an individual muscle fiber?
Epimysium
Perimysium
Endomysium
Sarcolemma
Which layer surrounds the entire muscle?
Epimysium
Perimysium
Endomysium
Sarcolemma
Which layer separates the fascicles?
Epimysium
Perimysium
Endomysium
Sarcolemma
Number 5 is showing the structure known as the ______?
Actin
Myosin
Z-line
H zone
What is the primary function of skeletal muscles?
To pump blood
To facilitate movement
To store calcium
To produce hormones
Which type of muscle tissue is responsible for involuntary movements in the digestive tract?
Skeletal muscle
Cardiac muscle
Smooth muscle
Connective tissue
What is the role of the sarcomere in muscle contraction?
It stores energy
It protects the muscle fibers
It is the basic unit of contraction
It transports nutrients
