Muscular System Trivia Quiz

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| By Keb1980
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Keb1980
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Quizzes Created: 13 | Total Attempts: 24,959
Questions: 22 | Attempts: 156

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Muscular System Quizzes & Trivia

Questions and Answers
  • 1. 

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

    • A.

      Movement

    • B.

      Protection

    • C.

      Production of heat

    • D.

      Maintaining posture

    Correct Answer
    B. Protection
    Explanation
    The muscular system is responsible for various functions, including movement, production of heat, and maintaining posture. However, protection is not a direct function of the muscular system. While muscles can provide some level of protection by surrounding and supporting vital organs, their primary role is not to protect the body. Other systems, such as the skeletal system and the immune system, are primarily responsible for protection.

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  • 2. 

    A voluntary muscle will only contract if it receives an impulse from a :

    • A.

      Sensory nerve

    • B.

      Motor nerve

    • C.

      Mixed nerve

    Correct Answer
    B. Motor nerve
    Explanation
    A voluntary muscle will only contract if it receives an impulse from a motor nerve because motor nerves are responsible for transmitting signals from the brain or spinal cord to the muscles, causing them to contract. Sensory nerves, on the other hand, transmit signals from sensory organs to the brain, while mixed nerves contain both sensory and motor fibers. Therefore, the impulse required for a voluntary muscle to contract specifically comes from a motor nerve.

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  • 3. 

    Where would you NOT find involuntary muscle?

    • A.

      Stomach

    • B.

      Bladder

    • C.

      Brain

    • D.

      Heart

    Correct Answer
    D. Heart
    Explanation
    Involuntary muscles are muscles that are not under conscious control. The stomach, bladder, and brain all contain involuntary muscles that help regulate their functions. However, the heart is composed of cardiac muscle, which is a type of involuntary muscle. Cardiac muscle contracts and relaxes to pump blood throughout the body, and its contractions are not consciously controlled. Therefore, the correct answer is the heart.

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  • 4. 

    Muscles with less than a normal degree of tone are said to be:

    • A.

      Flaccid

    • B.

      Spastic

    • C.

      Rigid

    Correct Answer
    A. Flaccid
    Explanation
    Muscles with less than a normal degree of tone are said to be flaccid. Flaccid muscles lack firmness and are often weak or floppy. This can be caused by conditions such as nerve damage or muscle disorders. Flaccid muscles may have reduced strength and may not be able to contract or move properly.

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  • 5. 

    When a muscle works without actually moving, this is known as:

    • A.

      Isometric

    • B.

      Isotonic

    Correct Answer
    A. Isometric
    Explanation
    Isometric refers to a type of muscle contraction where the muscle exerts force without changing its length or causing any movement at the joint. In other words, the muscle contracts but there is no visible movement. This can be observed when holding a heavy object in a fixed position or pushing against an immovable object. Isometric exercises are often used in strength training to improve muscle strength and stability.

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  • 6. 

    Concentric contraction and eccentric contraction are examples of :

    • A.

      Isometric contraction

    • B.

      Isotonic contraction

    Correct Answer
    B. Isotonic contraction
    Explanation
    Concentric contraction and eccentric contraction are both examples of isotonic contraction. Isotonic contraction is when the muscle changes length while generating force. In concentric contraction, the muscle shortens while generating force, such as when lifting a weight. In eccentric contraction, the muscle lengthens while generating force, such as when lowering a weight. Both types of contractions involve muscle movement and force generation, making them examples of isotonic contraction.

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  • 7. 

    Rectus femoris, vastus medialis, vastus lateralis and vastus intermedius are a group of muscles, known as the:

    • A.

      Hamstrings

    • B.

      Quadriceps

    Correct Answer
    B. Quadriceps
    Explanation
    The correct answer is Quadriceps. The rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius are all muscles that make up the quadriceps group. These muscles are located in the front of the thigh and work together to extend the leg at the knee joint. They are responsible for movements such as kicking, jumping, and running.

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  • 8. 

    How many voluntary muscles do we have?

    • A.

      206

    • B.

      600

    • C.

      650

    • D.

      450

    Correct Answer
    C. 650
  • 9. 

    What type of muscle is striated muscle?

    • A.

      Voluntary

    • B.

      Smooth

    • C.

      Involuntary

    • D.

      Cardiac

    Correct Answer
    A. Voluntary
    Explanation
    Striated muscle refers to a type of muscle tissue that has a striped appearance under a microscope. This type of muscle is under voluntary control, meaning that it can be consciously controlled by the individual. Examples of striated muscles include the muscles of the arms and legs, which can be consciously contracted or relaxed to perform movements. Smooth muscle, on the other hand, is found in the walls of organs and is involuntary, meaning it is not under conscious control. Cardiac muscle is also striated, but it is found only in the heart and is involuntary.

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  • 10. 

    Which type of muscle fibres are white and allow for rapid movement?

    • A.

      Fast twitch

    • B.

      Slow twitch

    Correct Answer
    A. Fast twitch
    Explanation
    Fast twitch muscle fibers are white and allow for rapid movement. These muscle fibers are specialized for generating quick, powerful contractions, making them well-suited for activities that require bursts of speed and strength, such as sprinting or weightlifting. Fast twitch fibers rely on anaerobic metabolism, which means they do not require oxygen to produce energy. This allows them to contract rapidly but also fatigues them quickly. In contrast, slow twitch muscle fibers are red and are better suited for endurance activities as they rely on aerobic metabolism and can sustain contractions for longer periods.

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  • 11. 

    Which type of muscle fibres are fatigue resistant?

    • A.

      Fast twitch

    • B.

      Slow twitch

    Correct Answer
    B. Slow twitch
    Explanation
    Slow twitch muscle fibers are fatigue resistant because they have a high capacity for aerobic metabolism and are rich in mitochondria, which produce energy through oxidative phosphorylation. These fibers rely on a steady supply of oxygen and can sustain contractions for longer periods of time without getting tired. They are more efficient in utilizing oxygen and have a slower contraction speed compared to fast twitch fibers. Slow twitch muscle fibers are commonly found in muscles that require endurance, such as those used in long-distance running or cycling.

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  • 12. 

    Which pathoology results in the wasting of muscle tissue due to undernourishment or lack of use?

    • A.

      Lumbago

    • B.

      Cramp

    • C.

      Atrophy

    • D.

      Rupture

    Correct Answer
    C. Atrophy
    Explanation
    Atrophy is the correct answer because it refers to the wasting or shrinking of muscle tissue. This can occur due to undernourishment, where the muscles do not receive enough nutrients to maintain their size and function. It can also occur due to lack of use, such as in cases of immobilization or prolonged bed rest. In both situations, the muscles gradually weaken and shrink, leading to muscle wasting or atrophy.

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  • 13. 

    The tearing of the fascia of a muscle or a tendon is known as :

    • A.

      Rupture

    • B.

      Tendonitis

    • C.

      Atrophy

    • D.

      Bursitis

    Correct Answer
    A. Rupture
    Explanation
    The tearing of the fascia of a muscle or a tendon is known as a rupture. When the fascia, which is a tough connective tissue that surrounds muscles and tendons, tears, it can result in severe pain, loss of function, and swelling. Ruptures can occur due to trauma, overuse, or degenerative conditions. Treatment for a rupture may involve rest, physical therapy, or in some cases, surgery.

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  • 14. 

    Inflammation of a tendon, accompanied by pain and swelling is called :

    • A.

      Frozen shoulder

    • B.

      Carpal tunnel

    • C.

      Tennis elbow

    • D.

      Tendonitis

    Correct Answer
    D. Tendonitis
    Explanation
    Tendonitis is the correct answer because it refers to the inflammation of a tendon, which is often accompanied by pain and swelling. This condition commonly occurs due to repetitive movements or overuse of a tendon, leading to irritation and inflammation. Symptoms of tendonitis can vary depending on the affected area, but it commonly causes localized pain, tenderness, and swelling. Treatment for tendonitis typically involves rest, ice, compression, and elevation (RICE), along with anti-inflammatory medications and physical therapy to reduce pain and promote healing.

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  • 15. 

    Inflammation of the tendons that attach the extensor muscles of the forearm at the elbow joint is called :

    • A.

      Housemaid's knee

    • B.

      Tennis / golfers elbow

    • C.

      Frozen shoulder

    • D.

      Ankle tendon injury

    Correct Answer
    B. Tennis / golfers elbow
    Explanation
    Tennis / golfers elbow is the correct answer because it refers to the inflammation of the tendons that attach the extensor muscles of the forearm at the elbow joint. This condition is commonly seen in individuals who participate in activities that involve repetitive wrist and arm movements, such as tennis or golf. The inflammation causes pain and tenderness on the outer side of the elbow, making it difficult to perform certain movements.

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  • 16. 

    What is the name for the main activating muscle?

    • A.

      Synergist

    • B.

      Antagonist

    • C.

      Agonist

    Correct Answer
    C. Agonist
    Explanation
    The main activating muscle is referred to as the agonist. The agonist is responsible for producing the desired movement or action. It contracts and generates force to initiate the movement. In other words, it is the prime mover that is primarily responsible for the movement of a particular joint or body part.

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  • 17. 

    What hold bones together and stabilises a joint?

    • A.

      Tendon

    • B.

      Ligament

    • C.

      Fascia

    • D.

      Actin

    Correct Answer
    B. Ligament
    Explanation
    Ligaments are the connective tissues that hold bones together and stabilize joints. They are strong and flexible, providing support and preventing excessive movement in the joint. Tendons, on the other hand, connect muscles to bones and help in movement. Fascia is a connective tissue that surrounds muscles, organs, and other structures, providing support and protection. Actin is a protein involved in muscle contraction. Therefore, the correct answer is ligament.

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  • 18. 

    The name of the muscle that turns the head to the opposite side is the :

    • A.

      Occipitalis

    • B.

      Platysma

    • C.

      Sternocleidomastoid

    • D.

      Frontalis

    Correct Answer
    C. Sternocleidomastoid
    Explanation
    The correct answer is Sternocleidomastoid. The sternocleidomastoid muscle is located in the neck and is responsible for turning the head to the opposite side. It originates from the sternum and clavicle and inserts into the mastoid process of the temporal bone. When one side contracts, it rotates the head to the opposite side and also flexes the neck.

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  • 19. 

    The facial expression associated with the corrugator muscle is :

    • A.

      Puzzled

    • B.

      Frowning

    • C.

      Snarling

    • D.

      Sadness

    Correct Answer
    B. Frowning
    Explanation
    The corrugator muscle is responsible for the frowning expression. When this muscle contracts, it causes the eyebrows to come together, creating a vertical wrinkle between them. This facial expression is commonly associated with anger, frustration, or concentration. Therefore, frowning is the correct answer as it accurately describes the facial expression associated with the corrugator muscle.

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  • 20. 

    The action of the rhomboid muscles is to:

    • A.

      Elevate and adduct the scapula

    • B.

      Adduct the humerus

    • C.

      Adduct the scapula

    • D.

      Abduct the humerus

    Correct Answer
    C. Adduct the scapula
    Explanation
    The rhomboid muscles are responsible for adducting the scapula, which means they bring the scapula closer to the midline of the body. This action is important for stabilizing the scapula during movements of the arm and shoulder. Elevating the scapula refers to lifting it upward, while abducting the humerus refers to moving the upper arm away from the body. Therefore, the correct answer is that the rhomboid muscles adduct the scapula.

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  • 21. 

    The action of the gluteus maximus is:

    • A.

      Abduction and medial rotation of the thigh

    • B.

      Extenston of the hip and lateral rotation of the thigh

    • C.

      Flexion and lateral rotation of the femur

    • D.

      Lateral flexion of the spine

    Correct Answer
    A. Abduction and medial rotation of the thigh
    Explanation
    The gluteus maximus is responsible for the abduction and medial rotation of the thigh. Abduction refers to moving the leg away from the midline of the body, while medial rotation involves rotating the leg towards the midline. The gluteus maximus is the largest muscle in the buttocks and plays a crucial role in various movements of the hip and thigh. It helps in stabilizing the pelvis during walking and running and is involved in movements such as climbing stairs, standing up from a seated position, and kicking.

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  • 22. 

    Glucose, which is not required immediately by the body, is converted into what before it is stored in the liver and the muscles?

    • A.

      Glycogen

    • B.

      Glucagon

    • C.

      Amino acids

    • D.

      Glycerol

    Correct Answer
    A. Glycogen
    Explanation
    Glucose, when not needed immediately by the body, is converted into glycogen before being stored in the liver and muscles. Glycogen serves as a form of energy storage in the body and can be broken down back into glucose when the body requires energy.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 11, 2012
    Quiz Created by
    Keb1980
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