1) Which division of the PNS carries motor commands to the muscles and glands? a) Autonomic Division b) Efferent Division c) Afferent Division d) Spinal Nerves 2) What division of the PNS effects smooth muscle, cardiac muscle, and glands? a) Somatic b) Parasympathetic Only c) Sympathetic Only d) Sympathetic and Parasympathetic 3) Which part of the neuron contains the nucleus and organelles? a) Dendrites b) Cell Body c) Axon d) Axon Terminals 4) Areas of myelinated axons are referred to as: a) White Matter b) Gray Matter c) CNS d) PNS 5) Which neuroglia are involved with the production of CSF? a) Microglia b) Oligodendrocytes c) Ependymal Cells d) Satellite Cells 6) Which neuroglia help maintain the blood brain barrier and provide structural support? a) Microglia b) Schwann Cells c) Oligodendrocytes d) Astrocytes 7) The small gaps that separate the internodes of myelin sheath are called? a) Axolemma b) Nodes of Ranvier c) Cell Gap d) Axon 8) What functional class of neurons sends information from the PNS to the CNS? a) Afferent Neurons b) Efferent Neurons c) Interneurons d) Anaxonic Neurons 9) Which type of neuron is found only in the CNS and have more than two processes: a) Bipolar b) Anaxonic c) Pseudounipolar d) Multipolar 10) Which type of neuron has a single elongate process with the cell body in the middle? a) Anaxonic b) Pseudounipolar c) Multipolar d) Bipolar 11) Which type of neuron consists of somatic and visceral motor neurons sending information from the CNS? a) Afferent Neurons b) Efferent Neurons c) Interneurons d) Bipolar 12) What is responsible for causing a change in membrane permeability? a) Stimulus b) Action Potential c) Threshold Stimulus d) Excitation 13) What type of neuron is located entirely in the CNS and works to analyze sensory input while coordinating motor output? a) Afferent Neurons b) Interneurons c) Efferent Neurons d) Bipolar Neurons 14) Collections of neuronal cell bodies in the PNS are known as: a) Ganglia b) Nerves c) Nuclei d) Tracts 15) Bundles of axons in the PNS are known as: a) Nuclei b) Tracts c) Gray Matter d) Nerves

Intro to Nervous System

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