Muscular System Practice Test

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  • 1/12 Questions

    What is one function of the muscular system?

    • Movement
    • Stores oxygen
    • Produces red blood cells
    • Temperature regulation and vision.
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About This Quiz

Are you ready to flex your knowledge of the incredible muscular system? Test your understanding with our engaging and interactive Muscular System Practice Test! This thrilling quiz is designed to make learning fun as you explore the inner workings of your muscles. Get ready to tackle mind-bending questions that will challenge your expertise on muscle structure, function, and even some fascinating facts. From biceps to quadriceps, no muscle will escape your scrutiny! Sharpen your virtual pencil, gather your strength, and dive into this creative and interesting quiz that will have you flexing your mental muscles in no time. Let's see if you're a true muscle master!

Muscular System Practice Test - Quiz

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  • 2. 

    Cardiac Muscle is found in the:

    Explanation
    Cardiac muscle is found exclusively in the heart. It is a specialized type of muscle that contracts rhythmically and continuously to pump blood throughout the body. The unique structure of cardiac muscle allows it to withstand constant contraction and relaxation without fatigue. This muscle type contains intercalated discs, which facilitate synchronized contractions and ensure efficient pumping action. Due to its vital role in maintaining circulation, cardiac muscle is only present in the heart and not found in any other part of the body.

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  • 3. 

    Which of the following is a type of muscle?

    • Nerve

    • Cardiac

    • Connective

    • Slow twitch

    Correct Answer
    A. Cardiac
    Explanation
    Cardiac muscle is a type of muscle that is found only in the heart. It is responsible for the continuous pumping of blood throughout the body. Unlike skeletal muscle, which is under voluntary control, cardiac muscle is involuntary and contracts rhythmically to maintain the heart's pumping action. Cardiac muscle cells are striated and interconnected, allowing them to work together as a coordinated unit. This type of muscle is highly specialized and adapted to meet the demands of the cardiovascular system.

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  • 4. 

    Choose the correct structure of muscle fiber:

    • Muscle-myofibrils-muscle fiber

    • Muscle fiber-muscle-myofibrils

    • Muscle-muscle fiber-myofibrils

    • Membrane surrounding the muscle fiber.

    Correct Answer
    A. Muscle-muscle fiber-myofibrils
    Explanation
    The correct structure of muscle fiber is muscle-muscle fiber-myofibrils. This is because muscle fibers are the basic units of muscle tissue, and they are composed of smaller structures called myofibrils. Myofibrils are made up of contractile proteins called actin and myosin, which are responsible for muscle contraction. Therefore, the correct order is muscle-muscle fiber-myofibrils.

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  • 5. 

    What is the sliding filament theory?

    • Actin pulls the myosin and the muscle becomes longer.

    • Myosin pulls the actin and the muscle becomes longer.

    • Myosin pulls the actin and the muscle becomes shorter.

    • Shorten sarcomeres within a fiber.

    Correct Answer
    A. Myosin pulls the actin and the muscle becomes shorter.
    Explanation
    The sliding filament theory explains how muscles contract. According to this theory, myosin, a protein in muscle cells, pulls on actin, another protein, causing the muscle to shorten and contract. This is the correct answer because it accurately describes the process of muscle contraction in the sliding filament theory.

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  • 6. 

    Smooth Muscle is found in:

    Correct Answer
    Internal Organs
    Explanation
    Smooth muscle is found in internal organs. This type of muscle is involuntary and non-striated, meaning it lacks the striped appearance seen in skeletal muscle. Smooth muscle is responsible for the contraction and relaxation of various organs in the body, such as the stomach, intestines, blood vessels, and bladder. It helps in the movement of substances through these organs and plays a crucial role in bodily functions like digestion, circulation, and urination.

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  • 7. 

    Skeletal Muscle are found:

    Correct Answer
    Attached to bone by tendons
    Explanation
    Skeletal muscles are attached to bones by tendons. Tendons are tough, fibrous connective tissues that connect muscles to bones, allowing for movement and providing stability to the skeletal system. This attachment allows skeletal muscles to exert force on the bones, enabling movement of the body.

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  • 8. 

    Describe in 1 or 2 sentences what the "All or None Response" consists of:

  • 9. 

    Name the 3 types of muscle and give an example for each one. 

Quiz Review Timeline (Updated): Jul 14, 2023 +

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  • Current Version
  • Jul 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 03, 2012
    Quiz Created by
    Peterfox1
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