Muscular System MCQ Quiz With Answers

Reviewed by Farah Naz
Farah Naz, MBBS, Medicine |
Medical Expert
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Farah holds a Bachelor of Medicine and Bachelor of Surgery (MBBS) from Dow University of Health Sciences. She gained valuable experience through internships in Radiology, Cardiology, and Neurosurgery, and has contributed to two research publications in medical journals. Passionate about healthcare education, Farah excels in crafting medical content, including articles, literature reviews, and e-learning courses. Leveraging her expertise, she meticulously reviews medical science quizzes, ensuring accuracy and educational value for aspiring healthcare professionals.
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Muscular System MCQ Quiz With Answers - Quiz


What do you know about the human muscular system? Can you attempt this muscular system MCQ quiz? Take this quiz and check your knowledge of the human muscular system. The muscular system helps with various movements of our body, i.e., from maintaining posture to circulating blood. How well do you understand this system and its functions? Let’s play the quiz below and refresh your memory about this human body system. All the best, buddy!


Questions and Answers
  • 1. 

    Which of these is not a job of the muscular system?

    • A.

      Movement

    • B.

      Strength

    • C.

      Making blood cells

    • D.

      Protection

    Correct Answer
    C. Making blood cells
    Explanation
    The muscular system is responsible for movement, providing strength, and protecting the body. However, making blood cells is not a function of the muscular system. This task is primarily carried out by the bone marrow within the skeletal system.

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  • 2. 

    How many bones does the human body have?

    • A.

      206

    • B.

      207

    • C.

      208

    • D.

      209

    Correct Answer
    A. 206
    Explanation
    The human body has 206 bones.

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  • 3. 

    What is the longest bone in the human body?

    • A.

      The femur

    • B.

      Spinal cord

    • C.

      Pelvis

    • D.

      Achilles tendon

    Correct Answer
    A. The femur
    Explanation
    The femur is the longest bone in the human body. It is located in the thigh and extends from the hip to the knee. This bone is responsible for supporting the body's weight and facilitating movement. Its length and strength make it the longest and strongest bone in the human body.

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  • 4. 

    These are the heart muscles:

    • A.

      Skeletal

    • B.

      Smooth

    • C.

      Cardiac

    • D.

      Exterior

    Correct Answer
    C. Cardiac
    Explanation
    The heart is made up of cardiac muscles, which are unique to the heart and responsible for its contraction and pumping action. Unlike skeletal muscles, which are under conscious control, cardiac muscles are involuntary and contract rhythmically to maintain the heartbeat. Smooth muscles are found in other organs and tissues, while the term "exterior" does not refer to a type of muscle. Therefore, the correct answer is "cardiac."

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  • 5. 

    These muscles are controlled by the autonomic muscle system and are involuntary:

    • A.

      Tendon

    • B.

      Smooth

    • C.

      Skeletal

    • D.

      Cardiac

    Correct Answer
    B. Smooth
    Explanation
    Smooth muscles are controlled by the autonomic muscle system and are involuntary. Unlike skeletal muscles, which are under conscious control, smooth muscles are found in the walls of organs and blood vessels. They are responsible for various involuntary movements such as the contraction of the stomach during digestion or the dilation of blood vessels. Therefore, smooth muscles fit the description of being controlled by the autonomic muscle system and being involuntary.

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  • 6. 

    These voluntary muscles are striated:

    • A.

      Cardiac

    • B.

      Smooth

    • C.

      Skeletal

    • D.

      Exterior

    Correct Answer
    C. Skeletal
    Explanation
    Skeletal muscles are striated because they have a repeating pattern of light and dark bands, known as striations, when viewed under a microscope. These muscles are attached to bones and are responsible for voluntary movements of the body, such as walking, running, and lifting weights. Unlike smooth muscles, which are found in the walls of organs and blood vessels, and cardiac muscles, which make up the heart, skeletal muscles are under conscious control. Therefore, the correct answer is skeletal.

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  • 7. 

    A band of tough, inelastic fibrous tissue that connects a muscle with its bony attachment:

    • A.

      Tendon

    • B.

      Extensor

    • C.

      Flexor

    • D.

      Smooth

    Correct Answer
    A. Tendon
    Explanation
    A tendon is a band of tough, inelastic fibrous tissue that connects a muscle with its bony attachment. It is responsible for transmitting the force generated by the muscle to the bone, allowing movement to occur. Unlike muscles, tendons do not have the ability to contract or relax, but they are strong and resistant to stretching, providing stability and support to the joints. Tendons are essential for proper movement and function of the musculoskeletal system.

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  • 8. 

    Muscles that extend or straighten a body part:

    • A.

      Extensor

    • B.

      Flexor

    • C.

      Tendon

    • D.

      Smooth

    Correct Answer
    A. Extensor
    Explanation
    The correct answer is extensor. Extensor muscles are responsible for extending or straightening a body part. These muscles work in opposition to flexor muscles, which are responsible for bending or flexing a body part. Tendons are connective tissues that attach muscles to bones. Smooth muscles are involuntary muscles found in the walls of organs and blood vessels.

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  • 9. 

    These muscles work to close a joint:

    • A.

      Extensor

    • B.

      Flexor

    • C.

      Cardiac

    • D.

      Smooth

    Correct Answer
    B. Flexor
    Explanation
    Flexor muscles are responsible for closing a joint. They contract to decrease the angle between two bones, bringing them closer together and closing the joint. These muscles are found in various parts of the body, such as the arms, legs, and fingers, and are involved in movements like bending the elbow, flexing the wrist, or curling the toes.

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  • 10. 

    Muscle contraction that produces movement of a joint:

    • A.

      Isometric

    • B.

      Isotonic

    • C.

      Abduction

    • D.

      All of these

    Correct Answer
    B. Isotonic
    Explanation
    Isotonic muscle contraction refers to the type of muscle contraction that produces movement of a joint. During isotonic contractions, the muscle length changes as tension is developed. This allows for movement at the joint and is commonly seen in activities such as weightlifting or running. Isometric contractions, on the other hand, do not produce movement at the joint as the muscle length remains constant. Abduction, on the other hand, refers to the movement of a body part away from the midline of the body and is not directly related to muscle contraction. Therefore, the correct answer is isotonic.

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Farah Naz |MBBS, Medicine |
Medical Expert
Farah holds a Bachelor of Medicine and Bachelor of Surgery (MBBS) from Dow University of Health Sciences. She gained valuable experience through internships in Radiology, Cardiology, and Neurosurgery, and has contributed to two research publications in medical journals. Passionate about healthcare education, Farah excels in crafting medical content, including articles, literature reviews, and e-learning courses. Leveraging her expertise, she meticulously reviews medical science quizzes, ensuring accuracy and educational value for aspiring healthcare professionals.

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  • Current Version
  • Jan 23, 2024
    Quiz Edited by
    ProProfs Editorial Team

    Expert Reviewed by
    Farah Naz
  • Apr 12, 2011
    Quiz Created by
    Paxalles
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