Sensory and Motor Neurons
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Questions and Answers

Which of the following word roots refers to muscle?

  • Sthen/o
  • Sacr/o
  • Myco/o
  • Myo/o (correct)

    • Which of the following terms refers to the attachment of a muscle to the bone or structure that does not move when the muscle contracts?

  • Tendon
  • Origin (correct)
  • Insertion
  • Belly

    • Which muscle closes the eye?

  • Soleus
  • Orbicularis oculi (correct)
  • Gracilis
  • Brachialis

    • Which term describes moving a body part toward the midline?

    <p>Adduction</p> Signup and view all the answers

    What muscle action means to spin on an axis?

    <p>Rotation</p> Signup and view all the answers

    What does the term intrinsic refer to in regard to muscle?

    <p>Intrinsic describes a muscle that has an origin and insertion located in the same body region.</p> Signup and view all the answers

    What muscle action describes bringing the thumb into the palm?

    <p>Opposition</p> Signup and view all the answers

    Which muscle has an insertion on the mandible?

    <p>All of these muscles insert on the mandible.</p> Signup and view all the answers

    Which of the following is not found on the back or buttocks?

    <p>Deltoid</p> Signup and view all the answers

    What is the origin of the frontalis muscle?

    <p>Epicranial aponeurosis</p> Signup and view all the answers

    Which group of muscles are synergists?

    <p>Temporalis and masseter</p> Signup and view all the answers

    Which division of the PNS prepares the body for physical activity or fight or flight?

    <p>Sympathetic</p> Signup and view all the answers

    Which part of a neuron carries the nerve impulse?

    <p>Axon</p> Signup and view all the answers

    What is not a function of the muscular system?

    <p>Electrolyte balance</p> Signup and view all the answers

    What part of a neuron usually receives the information?

    <p>Dendrite</p> Signup and view all the answers

    What part of the axon is called the trigger zone?

    <p>Axon hillock</p> Signup and view all the answers

    What is the dietary recommended daily allowance of protein for a person of average weight?

    <p>46–56 g</p> Signup and view all the answers

    Which of the following minerals is required for muscle cell function?

    <p>Calcium</p> Signup and view all the answers

    What muscular disorder is characterized by painful muscle spasms?

    <p>Cramp</p> Signup and view all the answers

    Which lobe of the cerebrum is responsible for hearing?

    <p>Temporal</p> Signup and view all the answers

    What is the function of the frontal lobe of the cerebrum?

    <p>All of these are correct</p> Signup and view all the answers

    What is the function of the occipital lobe of the cerebrum?

    <p>Vision</p> Signup and view all the answers

    Which statement about a muscle's response to nerve stimulation is true?

    <p>All of these answers are correct.</p> Signup and view all the answers

    Which theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?

    <p>Sliding filament theory</p> Signup and view all the answers

    What term describes a sustained muscle contraction?

    <p>Tetanus</p> Signup and view all the answers

    What is a motor unit?

    <p>A single nerve cell and all the muscle cells it stimulates</p> Signup and view all the answers

    Which term describes moving a body part away from the midline?

    <p>Abduction</p> Signup and view all the answers

    What muscle action means to spin on an axis?

    <p>Rotation</p> Signup and view all the answers

    What muscle action describes bringing the thumb into the palm?

    <p>Opposition</p> Signup and view all the answers

    Which of the following is not found on the back or buttocks?

    <p>Deltoid</p> Signup and view all the answers

    Which lobe of the cerebrum is responsible for vision?

    <p>Occipital</p> Signup and view all the answers

    What is the function of the temporal lobe of the cerebrum?

    <p>Hearing</p> Signup and view all the answers

    What are the two major components of the brainstem?

    <p>Medulla oblongata and pons</p> Signup and view all the answers

    Which of the following word roots refers to muscle?

    <p>Myo/o</p> Signup and view all the answers

    Which of the following terms refers to the attachment of a muscle to the bone or structure that does not move when the muscle contracts?

    <p>Origin</p> Signup and view all the answers

    What does the term intrinsic refer to in regard to muscle?

    <p>Intrinsic describes a muscle that has an origin and insertion located in the same body region.</p> Signup and view all the answers

    Which of the following muscles is not found on the thigh or leg?

    <p>Brachialis</p> Signup and view all the answers

    Which of the following muscles closes the eye?

    <p>Orbicularis oculi</p> Signup and view all the answers

    Which of the following muscles has an insertion on the mandible?

    <p>All of these muscles insert on the mandible.</p> Signup and view all the answers

    What is the origin of the frontalis muscle?

    <p>Epicranial aponeurosis</p> Signup and view all the answers

    Which of the following minerals are required for muscle cell function?

    <p>Calcium and potassium</p> Signup and view all the answers

    What is the function of the muscular system?

    <p>Movement</p> Signup and view all the answers

    Which of the following statements about the aging of the muscular system is not true?

    <p>Our diet and lifestyle solely determine the rate and extent of muscle loss.</p> Signup and view all the answers

    What is electromyography used to assess?

    <p>Electric stimuli</p> Signup and view all the answers

    Which division of the PNS prepares the body for physical activity or fight or flight?

    <p>Sympathetic</p> Signup and view all the answers

    What part of a neuron carries the nerve impulse?

    <p>Axon</p> Signup and view all the answers

    Which part of a neuron usually receives the information?

    <p>Dendrite</p> Signup and view all the answers

    What part of the axon is called the trigger zone?

    <p>Axon hillock</p> Signup and view all the answers

    Which theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?

    <p>Sliding filament theory</p> Signup and view all the answers

    In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?

    <p>Relaxation phase</p> Signup and view all the answers

    What term describes a sustained muscle contraction?

    <p>Tetany</p> Signup and view all the answers

    What is the most common lever system in the human body?

    <p>Third class</p> Signup and view all the answers

    Which of the following word roots refers to muscle?

    <p>Myo/o</p> Signup and view all the answers

    Which of the following word roots refers to strength?

    <p>Sthen/o</p> Signup and view all the answers

    Which of the following terms refers to the attachment of a muscle to the bone or structure that does move when the muscle contracts?

    <p>Insertion</p> Signup and view all the answers

    Which term describes bending a body part anteriorly (except in regard to the knee)?

    <p>Flexion</p> Signup and view all the answers

    What muscle action means to make a circle with part of the body?

    <p>Circumduction</p> Signup and view all the answers

    What is a fixator?

    <p>A muscle that holds an origin stable for another muscle</p> Signup and view all the answers

    What is the term for the main muscle that performs an action?

    <p>Prime mover</p> Signup and view all the answers

    Which of the following muscles is not found on the thigh or leg?

    <p>Brachialis</p> Signup and view all the answers

    Which muscle closes the eye?

    <p>Orbicularis oculi</p> Signup and view all the answers

    Which of the following muscles has an insertion on the mandible?

    <p>All of these muscles insert on the mandible.</p> Signup and view all the answers

    What is the origin of the frontalis muscle?

    <p>Epicranial aponeurosis</p> Signup and view all the answers

    Which of the following minerals are required for muscle cell function?

    <p>Calcium and potassium</p> Signup and view all the answers

    What is the dietary recommended daily allowance of protein for a person of average weight?

    <p>46–56 g</p> Signup and view all the answers

    What is not a function of the muscular system?

    <p>Electrolyte balance</p> Signup and view all the answers

    What function of the muscular system is performed when a person's facial expression can tell you how they feel?

    <p>Communication</p> Signup and view all the answers

    Which lobe of the cerebrum is responsible for hearing?

    <p>Temporal</p> Signup and view all the answers

    What is the function of the frontal lobe of the cerebrum?

    <p>All of these are correct.</p> Signup and view all the answers

    What is the function of the occipital lobe of the cerebrum?

    <p>Vision</p> Signup and view all the answers

    Which theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?

    <p>Sliding filament theory</p> Signup and view all the answers

    In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?

    <p>Relaxation phase</p> Signup and view all the answers

    What is the most common lever system in the human body?

    <p>First class</p> Signup and view all the answers

    Which type of muscle tissue is voluntary and under conscious control?

    <p>Skeletal</p> Signup and view all the answers

    Which division of the PNS is responsible for preparing the body for physical activity or fight or flight?

    <p>Sympathetic</p> Signup and view all the answers

    What part of a neuron carries the nerve impulse?

    <p>Axon</p> Signup and view all the answers

    Which part of a neuron usually receives the information?

    <p>Dendrite</p> Signup and view all the answers

    What part of the axon is called the trigger zone?

    <p>Axon hillock</p> Signup and view all the answers

    Which of the following word roots refers to muscle?

    <p>Myo/o</p> Signup and view all the answers

    Which of the following word roots refers to strength?

    <p>Sthen/o</p> Signup and view all the answers

    Which of the following terms refers to the attachment of a muscle to the bone or structure that does not move when the muscle contracts?

    <p>Origin</p> Signup and view all the answers

    Which lobe of the cerebrum is responsible for hearing?

    <p>Temporal</p> Signup and view all the answers

    What is the function of the frontal lobe of the cerebrum?

    <p>All of these are correct.</p> Signup and view all the answers

    What is the function of the occipital lobe of the cerebrum?

    <p>Vision</p> Signup and view all the answers

    Which mineral is required for muscle cell function?

    <p>Calcium</p> Signup and view all the answers

    What is the dietary recommended daily allowance of protein for a person of average weight?

    <p>46–56 g</p> Signup and view all the answers

    What is not a function of the muscular system?

    <p>Electrolyte balance</p> Signup and view all the answers

    What muscular disorder is characterized by painful muscle spasms?

    <p>Cramp</p> Signup and view all the answers

    Which term describes bending a body part anteriorly (except in regard to the knee)?

    <p>Flexion</p> Signup and view all the answers

    What is the term for the main muscle that performs an action?

    <p>Prime mover</p> Signup and view all the answers

    If a person stands on their tiptoes with their heels off the floor, what action are they performing?

    <p>Plantar flexion</p> Signup and view all the answers

    What muscle action describes bringing the thumb into the palm?

    <p>Opposition</p> Signup and view all the answers

    Which division of the PNS prepares the body for physical activity or fight or flight?

    <p>Sympathetic</p> Signup and view all the answers

    What part of a neuron carries the nerve impulse?

    <p>Axon</p> Signup and view all the answers

    What part of a neuron usually receives the information?

    <p>Dendrite</p> Signup and view all the answers

    What part of the axon is called the trigger zone?

    <p>Axon hillock</p> Signup and view all the answers

    Which of the following muscles does not originate on the humerus?

    <p>Diaphragm</p> Signup and view all the answers

    What is the function of the rectus abdominus?

    <p>To compress the abdomen</p> Signup and view all the answers

    Which of the following muscles inserts on the metacarpals and the carpals?

    <p>Extensor carpi ulnaris</p> Signup and view all the answers

    In the forearm, where do all the flexors originate?

    <p>At the medial epicondyle of the humerus</p> Signup and view all the answers

    Which statement about a muscle's response to nerve stimulation is true?

    <p>All of these answers are correct.</p> Signup and view all the answers

    What theory of muscle contraction involves thick myofilaments grabbing thin myofilaments and pulling them toward the center of the sarcomere?

    <p>Sliding filament theory</p> Signup and view all the answers

    In which phase of a contraction is calcium actively transported back to the sarcoplasmic reticulum?

    <p>Relaxation phase</p> Signup and view all the answers

    What is a power stroke?

    <p>Myosin pulling on actin to draw Z-lines toward the center, shortening the sarcomere</p> Signup and view all the answers

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