Muscles

    Muscles
    Which of the muscles listed below is named according to its action?
    Adduction is the action of bringing an abducted bone back towards the body’s midline.
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    Muscles
    The part of a skeletal muscle cell that is able to contract is called
    Sarcomeres contain myofilaments that slide past each other as the sarcomere contracts.
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    Muscles
    Which is the correct equation for anaerobic respiration in humans?
    Anaerobic respiration produces lactic acid and (of course) energy.
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    Muscles
    Which of the following muscles IS named after its location in the body?
    “Brachii” refers to the location on the arm (brachium).
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    Muscles
    Which of the following muscles is NOT named after its location in the body?
    The deltoid is named after its shape, which is likened to the capital Greek letter delta (a triangle).
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    Muscles
    Which muscle is located on the posterior part of the forearm?
    This question is testing the knowledge that muscles on the posterior part of the forearm are extensors (extend the fingers), while muscles on the anterior part are flexors. It also relies on knowing that these muscles are named according to their action. Hence the answer is C.
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    Muscles
    What structures attach a muscle to a bone?
    Tendons (thin ropelike structures) attach muscle to bone.
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    Muscles
    Which of the following is the smallest unit in a muscle?
    Myosin is a molecule, many of which combine to make a thick myofibril.
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