Additional Connective, Muscle, and Nervous

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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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