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Muscular System and Skeletal Muscle Function Quiz

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Which of the following is NOT a function of the muscular system?

Producing hormones

Explanation

Muscular system primarily facilitates movement and posture.

What type of muscle is responsible for voluntary movements like walking and talking?

Skeletal muscle

Explanation

Skeletal muscles are under conscious control.

Which muscle type is responsible for peristalsis in the digestive tract?

Smooth muscle

Explanation

Smooth muscles control involuntary movements.

What is the main function of the skeletal system?

All of the above

Explanation

The skeletal system provides support, protection, and facilitates movement.

Which bone is NOT part of the axial skeleton?

Femur

Explanation

The femur is part of the appendicular skeleton.

Which protein primarily makes up the thick filaments in skeletal muscle fibers?

Myosin

Explanation

Myosin is the main component of thick filaments.

What is the neuromuscular junction?

A synapse between a motor neuron and a muscle fiber

Explanation

It's the site where nerve signals trigger muscle contraction.

Which hormone stimulates muscle growth and repair?

Testosterone

Explanation

Testosterone promotes muscle tissue development.

What is the term for a sustained muscle contraction without relaxation?

Tetanus

Explanation

Tetanus refers to prolonged muscle contraction.

#10

What is the term for the muscle's ability to return to its original length after being stretched?

Elasticity

Explanation

Elasticity allows muscles to regain shape after stretching.

#11

What is the term for the contractile unit of a skeletal muscle fiber?

Sarcomere

Explanation

Sarcomere is the basic unit of muscle contraction.

#12

Which ion is primarily responsible for initiating muscle contraction?

Calcium

Explanation

Calcium triggers the interaction between actin and myosin.

#13

Which of the following is NOT a function of bones?

Storing bile

Explanation

Bones do not store bile; they provide support, protection, and produce blood cells.

#14

Which bone is NOT part of the human hand?

Tarsals

Explanation

Tarsals are bones of the foot; they are not part of the hand.

#15

Which bone is NOT part of the pelvic girdle?

Femur

Explanation

The femur is part of the leg; it's not part of the pelvic girdle.

Muscular System and Skeletal Muscle Function Quiz

Which of the following is NOT a function of the muscular system?

What type of muscle is responsible for voluntary movements like walking and talking?

Which muscle type is responsible for peristalsis in the digestive tract?

What is the main function of the skeletal system?

Which bone is NOT part of the axial skeleton?

Which protein primarily makes up the thick filaments in skeletal muscle fibers?

What is the neuromuscular junction?

Which hormone stimulates muscle growth and repair?

What is the term for a sustained muscle contraction without relaxation?

What is the term for the muscle's ability to return to its original length after being stretched?

What is the term for the contractile unit of a skeletal muscle fiber?

Which ion is primarily responsible for initiating muscle contraction?

Which of the following is NOT a function of bones?

Which bone is NOT part of the human hand?

Which bone is NOT part of the pelvic girdle?

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