Anatomy and Histology Quiz ch 10

What are body organs made of?

• Connective tissue, Epithelial tissue, Muscular tissue, Nervous tissue

• Skin, Bone tissue, Cartilage, Blood

• Heart, Lung, Kidney, Skin

• Cytology, Nervous tissue, Muscle tissue, Bone tissue

What is the main function of neurons?

• Conduct impulses toward the cell body

• Conduct impulses away from the cell body

• Support, nourish, and protect neurons

• Transmit sensory stimuli and process information

What is the structure that contains the nucleus and is the metabolic center of the neuron?

• Synapses

• Cell body

• Axons

• Dendrites

What is the function of dendrites in a neuron?

• Produce myelin sheath

• Conduct impulses away from the cell body

• Conduct impulses toward the cell body

• Transmit information away from the synapse

Which type of neurons have many extensions from the cell body?

• Bipolar neurons

• Multipolar neurons

• Unipolar neurons

• Myelinated neurons

What is the function of a nerve bundle?

• Conduct impulses to the muscles, organs, and glands

• Produce myelin sheath

• Transmit sensory stimuli

• Conduct impulses to the central nervous system

What is the role of Schwann cells in nerve fibers?

• Conduct impulses toward the cell body

• Produce myelin sheath

• Transmit information away from the synapse

• Conduct impulses away from the cell body

What is the function of Nodes of Ranvier in myelinated nerve fibers?

• Provide saltatory conduction of nerve impulse

• Conduct impulses toward the cell body

• Produce myelin sheath

• Transmit information away from the synapse

What is a synapse?

• A fatty layer of insulation on nerve fibers

• A network of nerves branching out throughout the body

• A specialized region of contact between neurons

• A bundle of nerve fibers

What is the function of synaptic terminals?

• Conduct impulses toward the cell body

• Transmit information away from the synapse

• Produce myelin sheath

• Support, nourish, and protect neurons