Additional Connective, Muscle, and Nervous
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Questions and Answers

Which germ layer gives rise to the entire nervous system?

  • Endoderm
  • Ectoderm (correct)
  • Mesoderm
  • Neural crest

    • Where does the neural crest develop?

  • In the midline of the neural plate
  • Inside the neural tube
  • In the non-neural ectoderm
  • At the edges of the neural plate (correct)

    • What do the neural folds do to form the neural tube?

  • Approach each other in the dorsal midline
  • Expand in a cranial to caudal direction
  • Fuse to form the neural tube (correct)
  • Invaginate to form the neural groove

    • Which germ layer is mostly responsible for the development of connective tissue?

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

    Which type of connective tissue is responsible for supporting lymphoid organs?

    <p>Reticular connective tissue</p> Signup and view all the answers

    Which cellular component of connective tissue is responsible for fat storage?

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

    Which type of connective tissue is responsible for the formation of ligaments?

    <p>Regular Dense connective tissue</p> Signup and view all the answers

    Which cellular component of connective tissue is responsible for immune response and inflammation?

    <p>Mast cells</p> Signup and view all the answers

    Which type of cell does not originate in the bone marrow and come from the blood stream?

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

    Which type of connective tissue cells synthesize collagen fibers, reticular fibers, and elastic fibers?

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

    Which cell type is responsible for regulating capillary blood flow?

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

    Which type of adipocytes is abundant in newborns?

    <p>Multilocular adipocytes</p> Signup and view all the answers

    Which cell type is abundant during wound healing?

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

    Which type of cells are derived from bone marrow and likely from myeloid stem cells?

    <p>Mast cells</p> Signup and view all the answers

    Which primary mediators are found in granules of mast cells?

    <p>Heparin and Histamine</p> Signup and view all the answers

    Which type of mast cells are rich in chondroitin sulfate and found in the digestive/respiratory tracts?

    <p>Mucosal mast cells</p> Signup and view all the answers

    Which type of cells are derived from stem cells in bone marrow and enter circulation as monocytes?

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

    Which type of macrophages are found in the liver?

    <p>Kupffer cells</p> Signup and view all the answers

    Which type of cells are responsible for phagocytosis and antigen presentation?

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

    Which type of connective tissue cells are concentrated around blood vessels and are rich in heparin?

    <p>Connective tissue proper mast cells</p> Signup and view all the answers

    Which type of connective tissue is made of elastin and is contractile?

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

    Which type of muscle tissue is attached to bone and other tissues and is voluntary?

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

    Which type of muscle tissue is found in the walls of hollow structures such as blood vessels and gastrointestinal tract?

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

    Which type of muscle tissue is found in the wall of the heart and is involuntary?

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

    Which type of connective tissue is found in the dermis and lamina propria, and does not have an organized pattern?

    <p>Irregular connective tissue</p> Signup and view all the answers

    Which type of connective tissue is responsible for supporting lymphoid organs?

    <p>Reticular connective tissue</p> Signup and view all the answers

    Which type of connective tissue is responsible for the formation of tendons and ligaments?

    <p>Regular connective tissue</p> Signup and view all the answers

    Which type of connective tissue forms a net around adipose tissue and liver sinusoids?

    <p>Reticular connective tissue</p> Signup and view all the answers

    Which type of muscle tissue is responsible for the contraction of the heart?

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

    Which layer of the heart forms the outer surface?

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

    Which type of muscle tissue is found in the walls of hollow structures such as blood vessels and gastrointestinal tract?

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

    Which type of muscle tissue is specialized for slow, prolonged contraction?

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

    Which type of muscle tissue has cells that contain 1-2 nuclei and branching fibers?

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

    Which type of muscle tissue is attached to bone and other tissues and is voluntary?

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

    Which type of muscle tissue cannot independently contract as its cell membranes form gap junctions with adjacent cells?

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

    Which type of muscle tissue is formed in sheets of variable thickness and can be arranged perpendicular from one another?

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

    Which type of connective tissue is found in the walls of hollow structures such as the GI tract, urinary tract, and blood vessels?

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

    Which type of muscle tissue can contract independently of one another and has each unit with its own nerve supply?

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

    Which type of connective tissue is the majority of connective tissue fibers and is made of type I collagen?

    <p>Collagen fibers</p> Signup and view all the answers

    Which type of muscle tissue is non-voluntary, striated, and can contract spontaneously due to inherent rhythmicity?

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

    Which type of connective tissue forms a net around adipose tissue and liver sinusoids?

    <p>Reticular fibers</p> Signup and view all the answers

    Which germ layer is mostly responsible for the development of connective tissue?

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

    Which type of connective tissue cells are concentrated around blood vessels and are rich in heparin?

    <p>Mast cells</p> Signup and view all the answers

    Which type of muscle tissue is attached to bone and other tissues and is voluntary?

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

    Which type of connective tissue is responsible for supporting lymphoid organs?

    <p>Reticular fibers</p> Signup and view all the answers

    Which type of muscle tissue is responsible for the contraction of the heart?

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

    Which type of muscle tissue is found in the walls of the dermis and GI tract?

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

    Which type of muscle tissue is specialized for slow, prolonged contraction?

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

    Which type of connective tissue is responsible for the formation of tendons and ligaments?

    <p>Dense regular connective tissue</p> Signup and view all the answers

    Which type of connective tissue cells synthesize collagen fibers, reticular fibers, and elastic fibers?

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

    Which type of connective tissue is found in the dermis and lamina propria, and does not have an organized pattern?

    <p>Dense irregular connective tissue</p> Signup and view all the answers

    Which germ layer is mostly responsible for the development of connective tissue?

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

    Which type of cells are derived from stem cells in bone marrow and enter circulation as monocytes?

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

    Which type of neuroglial cell is responsible for producing myelin in the central nervous system (CNS)?

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

    Which layer of the meninges is highly vascular and located closest to the brain and spinal cord?

    <p>Pia mater</p> Signup and view all the answers

    Which type of neuron transmits impulses between other neurons within the central nervous system (CNS)?

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

    Which type of neuroglial cell is the largest and provides structural and metabolic support to neurons?

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

    Which type of neuron has a short axon, one long dendron, and its cell body located in the dorsal ganglia of the spinal cord?

    <p>Sensory neuron</p> Signup and view all the answers

    Which type of neuroglial cell is responsible for phagocytosis and acts as resident macrophages in the central nervous system (CNS)?

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

    Which type of neuroglial cell lines the brain ventricles and the central spinal cord canal?

    <p>Ependymal cells</p> Signup and view all the answers

    Which type of neuroglial cell is responsible for forming myelinated and unmyelinated axon sheaths in the peripheral nervous system (PNS)?

    <p>Schwann cells</p> Signup and view all the answers

    Which type of neuroglial cell scavenge ions and neurotransmitters in the central nervous system (CNS)?

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

    Which type of neuroglial cell originates from the yolk sac and is the smallest among the neuroglial cells?

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

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