63 Questions
Which germ layer gives rise to the entire nervous system?
Ectoderm
Where does the neural crest develop?
At the edges of the neural plate
What do the neural folds do to form the neural tube?
Fuse to form the neural tube
Which germ layer is mostly responsible for the development of connective tissue?
Mesoderm
Which type of connective tissue is responsible for supporting lymphoid organs?
Reticular connective tissue
Which cellular component of connective tissue is responsible for fat storage?
Adipocytes
Which type of connective tissue is responsible for the formation of ligaments?
Regular Dense connective tissue
Which cellular component of connective tissue is responsible for immune response and inflammation?
Mast cells
Which type of cell does not originate in the bone marrow and come from the blood stream?
Fibroblasts
Which type of connective tissue cells synthesize collagen fibers, reticular fibers, and elastic fibers?
Fibroblasts
Which cell type is responsible for regulating capillary blood flow?
Pericytes
Which type of adipocytes is abundant in newborns?
Multilocular adipocytes
Which cell type is abundant during wound healing?
Myofibroblasts
Which type of cells are derived from bone marrow and likely from myeloid stem cells?
Mast cells
Which primary mediators are found in granules of mast cells?
Heparin and Histamine
Which type of mast cells are rich in chondroitin sulfate and found in the digestive/respiratory tracts?
Mucosal mast cells
Which type of cells are derived from stem cells in bone marrow and enter circulation as monocytes?
Macrophages
Which type of macrophages are found in the liver?
Kupffer cells
Which type of cells are responsible for phagocytosis and antigen presentation?
Macrophages
Which type of connective tissue cells are concentrated around blood vessels and are rich in heparin?
Connective tissue proper mast cells
Which type of connective tissue is made of elastin and is contractile?
Elastic
Which type of muscle tissue is attached to bone and other tissues and is voluntary?
Skeletal muscle
Which type of muscle tissue is found in the walls of hollow structures such as blood vessels and gastrointestinal tract?
Smooth muscle
Which type of muscle tissue is found in the wall of the heart and is involuntary?
Cardiac muscle
Which type of connective tissue is found in the dermis and lamina propria, and does not have an organized pattern?
Irregular connective tissue
Which type of connective tissue is responsible for supporting lymphoid organs?
Reticular connective tissue
Which type of connective tissue is responsible for the formation of tendons and ligaments?
Regular connective tissue
Which type of connective tissue forms a net around adipose tissue and liver sinusoids?
Reticular connective tissue
Which type of muscle tissue is responsible for the contraction of the heart?
Cardiac muscle
Which layer of the heart forms the outer surface?
Epicardium
Which type of muscle tissue is found in the walls of hollow structures such as blood vessels and gastrointestinal tract?
Smooth muscle
Which type of muscle tissue is specialized for slow, prolonged contraction?
Smooth muscle
Which type of muscle tissue has cells that contain 1-2 nuclei and branching fibers?
Cardiac muscle
Which type of muscle tissue is attached to bone and other tissues and is voluntary?
Skeletal muscle
Which type of muscle tissue cannot independently contract as its cell membranes form gap junctions with adjacent cells?
Unitary Smooth muscle
Which type of muscle tissue is formed in sheets of variable thickness and can be arranged perpendicular from one another?
Smooth muscle
Which type of connective tissue is found in the walls of hollow structures such as the GI tract, urinary tract, and blood vessels?
Smooth muscle
Which type of muscle tissue can contract independently of one another and has each unit with its own nerve supply?
Smooth muscle
Which type of connective tissue is the majority of connective tissue fibers and is made of type I collagen?
Collagen fibers
Which type of muscle tissue is non-voluntary, striated, and can contract spontaneously due to inherent rhythmicity?
Cardiac muscle
Which type of connective tissue forms a net around adipose tissue and liver sinusoids?
Reticular fibers
Which germ layer is mostly responsible for the development of connective tissue?
Mesoderm
Which type of connective tissue cells are concentrated around blood vessels and are rich in heparin?
Mast cells
Which type of muscle tissue is attached to bone and other tissues and is voluntary?
Skeletal muscle
Which type of connective tissue is responsible for supporting lymphoid organs?
Reticular fibers
Which type of muscle tissue is responsible for the contraction of the heart?
Cardiac muscle
Which type of muscle tissue is found in the walls of the dermis and GI tract?
Smooth muscle
Which type of muscle tissue is specialized for slow, prolonged contraction?
Smooth muscle
Which type of connective tissue is responsible for the formation of tendons and ligaments?
Dense regular connective tissue
Which type of connective tissue cells synthesize collagen fibers, reticular fibers, and elastic fibers?
Fibroblasts
Which type of connective tissue is found in the dermis and lamina propria, and does not have an organized pattern?
Dense irregular connective tissue
Which germ layer is mostly responsible for the development of connective tissue?
Mesoderm
Which type of cells are derived from stem cells in bone marrow and enter circulation as monocytes?
Monocytes
Which type of neuroglial cell is responsible for producing myelin in the central nervous system (CNS)?
Oligodendrocytes
Which layer of the meninges is highly vascular and located closest to the brain and spinal cord?
Pia mater
Which type of neuron transmits impulses between other neurons within the central nervous system (CNS)?
Interneuron
Which type of neuroglial cell is the largest and provides structural and metabolic support to neurons?
Astrocytes
Which type of neuron has a short axon, one long dendron, and its cell body located in the dorsal ganglia of the spinal cord?
Sensory neuron
Which type of neuroglial cell is responsible for phagocytosis and acts as resident macrophages in the central nervous system (CNS)?
Microglia
Which type of neuroglial cell lines the brain ventricles and the central spinal cord canal?
Ependymal cells
Which type of neuroglial cell is responsible for forming myelinated and unmyelinated axon sheaths in the peripheral nervous system (PNS)?
Schwann cells
Which type of neuroglial cell scavenge ions and neurotransmitters in the central nervous system (CNS)?
Astrocytes
Which type of neuroglial cell originates from the yolk sac and is the smallest among the neuroglial cells?
Microglia
Test your knowledge on the development of the nervous system with this quiz! Learn about the formation of the neural plate, neural crest, and neural folds, and understand how the entire nervous system arises from the ectoderm.
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