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Principles of the Muscular System Quiz

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Which type of muscle is striated and under voluntary control?

Skeletal muscle

Explanation

Voluntarily controlled muscle with striped appearance.

What is the primary function of the muscular system?

Facilitating movement

Explanation

Enabling body movement.

Which connective tissue surrounds the entire muscle?

Epimysium

Explanation

Connective tissue surrounding entire muscle.

In which muscle activity does the muscle neither lengthen nor shorten?

Isometric

Explanation

Muscle maintains constant length.

What is the term for the ability of a muscle to generate force without changing its length?

Isometric

Explanation

Muscle generates force with no length change.

Which of the following is a neurotransmitter responsible for muscle contraction?

Acetylcholine

Explanation

Neurotransmitter triggering muscle contraction.

What is the term for the ability of a muscle to lengthen under tension?

Eccentric

Explanation

Muscle lengthening under tension.

What is the term for the functional unit of a muscle fiber?

Sarcomere

Explanation

Basic unit of muscle contraction.

In which phase of muscle contraction does the muscle generate the most force without changing its length?

Isometric

Explanation

Muscle generates force without length change.

#10

What is the primary function of the sarcoplasmic reticulum in muscle cells?

Calcium ion regulation

Explanation

Regulating calcium ions in muscle cells.

#11

Which muscle is responsible for flexing the forearm at the elbow joint?

Biceps brachii

Explanation

Muscle responsible for forearm flexion.

#12

Which muscle is responsible for the extension of the thigh at the hip joint?

Gluteus maximus

Explanation

Muscle responsible for hip extension.

#13

What is the role of creatine phosphate in muscle contraction?

Stores and provides energy

Explanation

Energy storage and provision in muscle.

#14

Which muscle is responsible for abducting the arm at the shoulder joint?

Deltoid

Explanation

Muscle for arm abduction at shoulder.

#15

Which protein, when activated by calcium ions, allows muscle contraction to occur?

Troponin

Explanation

Protein activating muscle contraction.

Principles of the Muscular System Quiz

Which type of muscle is striated and under voluntary control?

What is the primary function of the muscular system?

Which connective tissue surrounds the entire muscle?

In which muscle activity does the muscle neither lengthen nor shorten?

What is the term for the ability of a muscle to generate force without changing its length?

Which of the following is a neurotransmitter responsible for muscle contraction?

What is the term for the ability of a muscle to lengthen under tension?

What is the term for the functional unit of a muscle fiber?

In which phase of muscle contraction does the muscle generate the most force without changing its length?

What is the primary function of the sarcoplasmic reticulum in muscle cells?

Which muscle is responsible for flexing the forearm at the elbow joint?

Which muscle is responsible for the extension of the thigh at the hip joint?

What is the role of creatine phosphate in muscle contraction?

Which muscle is responsible for abducting the arm at the shoulder joint?

Which protein, when activated by calcium ions, allows muscle contraction to occur?

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