Btec Level 2 Sport Muscular SySTEM Practice Test

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Btec Level 2 Sport Muscular System Practice Test - Quiz

This is a practice test for the BTEC Level 2 Extended Certificate in Sport 2014. During this quiz, you will be asked a series of questions about the muscular system. You must answer all questions correctly. Do you know enough about the human muscular system? If so, this quiz will be easy for you, and you will be able to secure very good marks. Give this quiz your time and acquire some useful information regarding BTEC sports.


Questions and Answers
  • 1. 

    Which of the following descriptions best describes antagonistic muscles?

    • A.

      When muscles are painful after exercise

    • B.

      Muscles that work together to produce a movement and its opposite movement.

    • C.

      When muscles are not strong enough and may need assistance to perform a task.

    • D.

      Muscles that shorten as they contract.

    Correct Answer
    B. Muscles that work together to produce a movement and its opposite movement.
    Explanation
    Antagonistic muscles are muscles that work together to produce a movement and its opposite movement. This means that when one muscle contracts, the other muscle relaxes to allow the desired movement to occur. For example, when the biceps muscle contracts to bend the elbow, the triceps muscle relaxes. This coordinated action of antagonistic muscles allows for smooth and controlled movement. The other options provided do not accurately describe antagonistic muscles.

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  • 2. 

    Slow twitch oxidative fibres are relied on for which type of exercise?

    • A.

      Moderate intensity events such as middle-distance running.

    • B.

      High intensity events such as power lifting.

    • C.

      Low intensity events such as long- distance swimming.

    • D.

      High intensity events such as sprinting.

    Correct Answer
    C. Low intensity events such as long- distance swimming.
    Explanation
    Slow twitch oxidative fibers are characterized by their ability to generate energy through aerobic metabolism, which is fueled by oxygen. These fibers are highly resistant to fatigue and are best suited for endurance activities that require low intensity and long duration, such as long-distance swimming. In contrast, high intensity events such as sprinting rely more on fast twitch muscle fibers, which generate energy anaerobically and are better suited for short bursts of intense activity.

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  • 3. 

    Which of the following describes an action that is linked with isotonic muscular contraction?

    • A.

      Dribbling the ball and making a lay up shot

    • B.

      Holding space blocking the pathway of an attacker

    • C.

      Keeping stable in a rugby scrum

    • D.

      Remaining in a handstand for three seconds

    Correct Answer
    A. Dribbling the ball and making a lay up shot
    Explanation
    Dribbling the ball and making a lay up shot involves the contraction and relaxation of muscles to generate movement. Isotonic muscular contraction refers to a type of muscle contraction where the muscle length changes while maintaining a constant tension. In this case, the muscles involved in dribbling the ball and making a lay up shot are contracting and relaxing to allow for the movement required in these actions, making it an example of isotonic muscular contraction.

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  • 4. 

    Which of the following muscles contract to extend and elevate the shoulder?

    • A.

      Abdominals

    • B.

      Bicep

    • C.

      Deltoid

    • D.

      Tricep

    Correct Answer
    C. Deltoid
    Explanation
    The deltoid muscle is responsible for extending and elevating the shoulder. It is a large triangular muscle that covers the shoulder joint and allows for movements such as lifting the arm overhead and moving it away from the body. The bicep and tricep muscles are primarily involved in flexion and extension of the elbow, while the abdominals are responsible for core stabilization and trunk movements. Therefore, the deltoid is the correct answer for this question.

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  • 5. 

    When a muscle lengthens as it contracts, it is called an _______________________ muscular contraction.

    Correct Answer
    eccentric
    Explanation
    When a muscle lengthens as it contracts, it is called an eccentric muscular contraction. In this type of contraction, the muscle is actively contracting while also elongating, usually in response to an external force or resistance. This type of contraction is important for controlling movements, decelerating the body, and absorbing shock. Eccentric contractions are known to generate more force than concentric contractions and are commonly used in activities such as lowering weights during resistance training or controlling movements during downhill running.

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  • 6. 

    The type of muscular contraction that occurs during the plank is _______________________.

    Correct Answer
    isometric
    Explanation
    During the plank exercise, the muscles are contracted without any change in length, resulting in static tension. This type of contraction is known as isometric contraction. In the plank position, the muscles of the core, including the abdominals, back, and glutes, are engaged to maintain stability and hold the body in a straight line. This sustained contraction without movement helps to strengthen and stabilize the muscles, making it an effective exercise for core strength and endurance.

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  • 7. 

    Which of the following are not different types of muscles within the human body?

    • A.

      Skeletal, Smooth, Cardiac.

    • B.

      Voluntary, Involuntary, Heart.

    • C.

      Pectorals, Abdominals, Hamstrings

    • D.

      None of the above

    Correct Answer
    C. Pectorals, Abdominals, Hamstrings
    Explanation
    The given answer, "Pectorals, Abdominals, Hamstrings," is not different types of muscles within the human body. Pectorals, abdominals, and hamstrings are actually specific muscle groups or muscles, not different types of muscles. Skeletal, smooth, and cardiac muscles are the three different types of muscles found in the human body. Skeletal muscles are attached to the bones and help in voluntary movements. Smooth muscles are found in the walls of organs and blood vessels, and they control involuntary movements. Cardiac muscles are found in the heart and are responsible for its contraction.

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  • 8. 

    _________________ are at each end of every skeletal muscle and connect the muscle to bone.

    Correct Answer
    Tendons
    Explanation
    Tendons are fibrous connective tissues that attach muscles to bones. They are located at each end of every skeletal muscle, serving as a strong connection point between the muscle and the bone it moves. Tendons are essential for transmitting the force generated by the muscle to the bone, allowing for movement and providing stability to the skeletal system.

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  • 9. 

    Which is true about smooth muscles?

    • A.

      They are found in walls of hollow organs.

    • B.

      These are unconsciously controlled.

    • C.

      These muscles control bodily functions such as movement of food, movement of urine, and movement of blood.

    • D.

      All of these are true about smooth muscles.

    Correct Answer
    D. All of these are true about smooth muscles.
    Explanation
    Smooth muscles are found in the walls of hollow organs, and they are unconsciously controlled. These muscles play a crucial role in controlling bodily functions such as the movement of food, urine, and blood. Therefore, all of the given statements are true about smooth muscles.

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  • Current Version
  • Oct 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 18, 2014
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    Fiona_rowe
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