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 (D)</p> Signup and view all the answers

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

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

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

<p>Adipocytes (C)</p> Signup and view all the answers

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

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

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

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

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

<p>Fibroblasts (D)</p> Signup and view all the answers

Which cell type is responsible for regulating capillary blood flow?

<p>Pericytes (D)</p> Signup and view all the answers

Which type of adipocytes is abundant in newborns?

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

Which cell type is abundant during wound healing?

<p>Myofibroblasts (C)</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 (A)</p> Signup and view all the answers

Which primary mediators are found in granules of mast cells?

<p>Heparin and Histamine (C)</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 (D)</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 (A)</p> Signup and view all the answers

Which type of macrophages are found in the liver?

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

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

<p>Macrophages (D)</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 (B)</p> Signup and view all the answers

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

<p>Elastic (A)</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 (A)</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 (B)</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 (B)</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 (A)</p> Signup and view all the answers

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

<p>Reticular connective tissue (B)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

Which layer of the heart forms the outer surface?

<p>Epicardium (D)</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 (A)</p> Signup and view all the answers

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

<p>Smooth muscle (C)</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 (C)</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 (A)</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 (C)</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 (C)</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 (B)</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 (C)</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 (A)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Mesoderm (B)</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 (B)</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 (A)</p> Signup and view all the answers

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

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

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

<p>Cardiac muscle (C)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Fibroblasts (A)</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 (A)</p> Signup and view all the answers

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

<p>Mesoderm (C)</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 (D)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>Interneuron (B)</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 (B)</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 (C)</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 (A)</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 (B)</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 (A)</p> Signup and view all the answers

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

<p>Astrocytes (A)</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 (C)</p> Signup and view all the answers

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