Muscle and Nervous Tissue Quiz
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Questions and Answers

Which type of muscle is responsible for voluntary movement?

  • Smooth muscle
  • Skeletal muscle (correct)
  • Cardiac muscle
  • Nervous muscle

    • What is the function of tendons in muscle tissue?

  • To provide oxygen to the muscles
  • To transmit information from the brain
  • To remove waste from the muscles
  • To connect muscles to bones (correct)

    • Which types of tissues are needed for muscle to function?

  • Muscle cells and nerves
  • Muscle cells, connective tissue, and nerves (correct)
  • Muscle cells and blood
  • Muscle cells and connective tissue

    • Which type of muscle is responsible for the involuntary movement of material through organs like the intestines?

    <p>Smooth muscle</p> Signup and view all the answers

    What is the main function of skeletal muscle?

    <p>Guarding entrances and exits</p> Signup and view all the answers

    Which muscle type has the ability to contract without voluntary control?

    <p>Cardiac muscle</p> Signup and view all the answers

    What is the structure that gives skeletal muscle its striated appearance?

    <p>Actin and myosin fibers</p> Signup and view all the answers

    Which protein structure connects the actin fibers and the myosin in a muscle?

    <p>Z band</p> Signup and view all the answers

    What happens when you use ATP in muscle fibers?

    <p>The fibers become shorter</p> Signup and view all the answers

    What is the maximum extension of a skeletal muscle before it tears?

    <p>1.5 - 1.6 times its original length</p> Signup and view all the answers

    What is the purpose of the perimysium in a muscle?

    <p>To surround muscle fascicles</p> Signup and view all the answers

    True or false: Muscle tissue consists only of muscle cells?

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

    True or false: Skeletal muscle is responsible for involuntary movement?

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

    True or false: Nervous tissue is necessary for muscle contraction?

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

    True or false: Skeletal muscle is formed by the fusion of multiple cells and has multiple nuclei.

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

    True or false: Cardiac muscle has nuclei located at the center of the fibers.

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

    True or false: Smooth muscle is responsible for regulating blood pressure in blood vessels.

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

    True or false: Skeletal muscle is also known as striated muscle due to the presence of thin stripes called striations.

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

    True or false: The Z band is a protein structure to which the myosin filaments are connected.

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

    True or false: The maximum extension of a skeletal muscle is around 1.5-1.6 times its original length.

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

    True or false: Muscle fibers are surrounded by the endomysium, which is an inner connective tissue sheath.

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

    True or false: Visceral skeletal muscles include the muscles of the tongue, pharynx, upper esophagus, and diaphragm.

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

    Muscle tissue consists of muscle cells, connective tissue, and ________ tissue.

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

    Skeletal muscle is the muscle that performs ________ movement.

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

    Tendons connect the skeletal muscle to the ________.

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

    Smooth muscle is responsible for moving material through ________

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

    Cardiac muscle is responsible for pumping ________ through the body

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

    Skeletal muscle is also known as ________ muscle

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

    Muscles have a lot of ________ due to the amount of work they perform

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

    Muscle fibers are surrounded by the ______ which is an inner connective tissue sheath

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

    The ______ is the most important muscle in breathing

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

    The ______ attaches muscle to bone

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

    The ______ muscle moves the skeleton

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

    Which muscle is responsible for moving the tongue towards the chin?

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

    Which bone is often damaged if someone is throttled?

    <p>Hyoid bone</p> Signup and view all the answers

    What is the genetic factor that determines the ability to roll the tongue?

    <p>Genetic inheritance</p> Signup and view all the answers

    Which type of muscle is responsible for involuntary contraction and slow, long contractions?

    <p>Smooth muscle</p> Signup and view all the answers

    What is the structure that connects the nerve cell with the muscle cell and contains neurotransmitters?

    <p>Neuromuscular junction</p> Signup and view all the answers

    What is the function of the dense bodies in smooth muscle cells?

    <p>To initiate muscle contraction</p> Signup and view all the answers

    What is the motor unit?

    <p>The axon of a motor neuron</p> Signup and view all the answers

    What is the main difference between multi-unit smooth muscle and single-unit smooth muscle?

    <p>Multi-unit smooth muscle cells contract individually, while single-unit smooth muscle cells contract as a single unit.</p> Signup and view all the answers

    What is the function of gap junctions in smooth muscle cells?

    <p>To allow smooth muscle cells to communicate and contract as a single unit.</p> Signup and view all the answers

    Where can you find multi-unit smooth muscle in the body?

    <p>Iris of the eye and large blood vessels</p> Signup and view all the answers

    What is the main function of single-unit smooth muscle?

    <p>To allow for peristalsis in the gastrointestinal tract.</p> Signup and view all the answers

    True or false: The tongue muscle is directly attached to bone.

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

    True or false: The hyoid bone is a strong and thick bone in the neck.

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

    True or false: Rolling the tongue is a genetically determined ability.

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

    True or false: Skeletal muscle is responsible for involuntary contraction?

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

    True or false: Smooth muscle is responsible for regulating blood pressure in blood vessels?

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

    True or false: Cardiac muscle has nuclei located at the center of the fibers?

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

    True or false: The Z band is a protein structure to which the myosin filaments are connected?

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

    True or false: Smooth muscle cells can contract without receiving signals from nerve cells?

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

    True or false: Single-unit smooth muscle cells communicate with each other through gap junctions?

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

    True or false: Multi-unit smooth muscle cells behave like a syncytium, even though they are individual cells?

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

    True or false: Single-unit smooth muscle cells are found in the gastrointestinal tract and are important for peristalsis?

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

    You can still perform very complicated ______ with this skeletal muscle

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

    The hyoid bone is a very thin and fragile bone in your ______

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

    You in order to have muscle ______, you do not only need muscle, blood vessels, and connective tissue

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

    Smooth muscle consists of individual cells with each with an individual ______

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

    Smooth muscle is not ______

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

    When a smooth muscle cell contracts, it can become shorter, but it can also become ______

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

    Smooth muscle is responsible for ______ contractions

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

    Smooth muscle cells are connected to each other by ______

    <p>gap junctions</p> Signup and view all the answers

    Multi-unit smooth muscle cells can be regulated individually and contract ______

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

    The ______ of the eye contains multi-unit smooth muscle

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

    Single-unit smooth muscle cells communicate with each other through ______

    <p>gap junctions</p> Signup and view all the answers

    Which protein structure is responsible for forming a channel between two cells in a gap junction?

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

    What can be transported through gap junctions in smooth muscle cells?

    <p>All of the above</p> Signup and view all the answers

    What is the maximum stretch capacity of smooth muscle compared to skeletal muscle?

    <p>Smooth muscle can stretch almost 3.3 fold, while skeletal muscle can only stretch 1.5 to 1.6 fold</p> Signup and view all the answers

    What is the function of the intercalated discs in cardiac muscle?

    <p>To connect the cardiac muscle cells and allow for strong contractions</p> Signup and view all the answers

    What is the main cause of pelvic floor dysfunction in women?

    <p>Birth and stretching of the pelvic floor muscles</p> Signup and view all the answers

    Why can smooth muscle stretch more than skeletal muscle?

    <p>Smooth muscle is made up of individual cells that can stretch independently</p> Signup and view all the answers

    What happens if the puboparynel muscle in the pelvic floor is overstretched during childbirth?

    <p>It can lead to pelvic floor dysfunction</p> Signup and view all the answers

    What is the main function of the somatic nervous system?

    <p>Control of sensory and motor innovation of conscious parts</p> Signup and view all the answers

    Which type of muscle is innervated by pocine fibers?

    <p>Cardiac muscle</p> Signup and view all the answers

    What is the primary function of neuroglia cells in nervous tissue?

    <p>Providing physical support</p> Signup and view all the answers

    What is the main difference between multi-unit smooth muscle and single-unit smooth muscle?

    <p>Multi-unit smooth muscle cells contract individually, while single-unit smooth muscle cells contract as a syncytium</p> Signup and view all the answers

    True or false: Gap junctions are formed by connections between proteins on the same side of the cell membrane?

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

    True or false: Smooth muscle can stretch almost 3.3 fold, whereas skeletal muscle can only stretch 1.5 to 1.6 fold?

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

    True or false: Gap junctions in smooth muscle allow for the transport of small molecules and electric signals between cells?

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

    True or false: Women with pelvic floor dysfunction may experience difficulty controlling their bladder.

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

    True or false: The pelvic floor muscles can stretch to three times their normal length during childbirth.

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

    True or false: Smooth muscle is able to stretch longer than skeletal muscle.

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

    True or false: Intercalated discs are tight junctions that connect individual cells in cardiac muscle.

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

    True or false: Neuroglia cells are a type of connective tissue in the nervous tissue?

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

    True or false: Neurons have the ability to divide?

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

    True or false: The somatic nervous system controls voluntary movements of the body's viscera?

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

    True or false: The autonomous nervous system controls the synthesis, composition, and release of secretions in glandular epithelium?

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

    Smooth muscle cells communicate with each other through ______

    <p>gap junctions</p> Signup and view all the answers

    Smooth muscle cells can transport small molecules such as sugar, water, or amino acids through ______

    <p>gap junctions</p> Signup and view all the answers

    Smooth muscle can stretch almost 3.3 fold, whereas skeletal muscle can only stretch 1.5 to 1.6 fold due to the presence of ______

    <p>gap junctions</p> Signup and view all the answers

    ______ muscle is a striated muscle

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

    Neurons have a very large cell body which is also called the ______

    <p>carrion or soma</p> Signup and view all the answers

    The somatic nervous system controls the sensory and motor innovation of the ______ part

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

    The autonomous nervous system controls the ______ of hollow tubes like blood vessels and gastrointestinal tract

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

    Women often have so-called pelvic floor ______

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

    The skull of the newborn human is very ______

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

    All these muscles seem to be ______ muscles

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

    The cardiac muscle consists of individual ______ cells

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

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