Study Guide: Nervous System Cells

Alexandra Bozan
Quiz by Alexandra Bozan, updated more than 1 year ago
Alexandra Bozan
Created by Alexandra Bozan over 3 years ago
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Study Guide: Nervous System Cells

Resource summary

Question 1

Question
[blank_start]central nervous system[blank_end]: consists of the brain and spinal cord [blank_start]peripheral nervous system[blank_end]: composed of nerves arising from the brain and spinal cord [blank_start]afferent division[blank_end]: PNS subdivision that transmits incoming information from the sensory organs to the CNS [blank_start]sympathetic division[blank_end]: produces the "fight or flight" response [blank_start]somatic nervous system[blank_end]: subdivision that carries information from the CNS to skeletal muscle [blank_start]autonomic nervous system[blank_end]: subdivision of efferent division that transmits information to smooth muscle, cardiac muscle and glands [blank_start]efferent nervous system[blank_end]: consists of all outgoing motor pathways [blank_start]parasympathetic division[blank_end]: coordinates the body's normal resting activities
Answer
  • central nervous system
  • peripheral nervous system
  • afferent division
  • sympathetic division
  • somatic nervous system
  • autonomic nervous system
  • efferent nervous system
  • parasympathetic division

Question 2

Question
astrocyte: [blank_start]helps form the blood-brain barrier[blank_end], [blank_start]largest/most numerous neuroglial cells[blank_end], [blank_start]"star cell"[blank_end] microglia: [blank_start]ability of phagocytosis[blank_end] oligodendrocyte: [blank_start]produces myelin sheath in the CNS[blank_end], [blank_start]associated with MS[blank_end] Schwann cell: [blank_start]produces myelin sheath in the PNS[blank_end], [blank_start]neuroglia that forms the neurilemma[blank_end]
Answer
  • helps form the blood-brain barrier
  • largest/most numerous neuroglial cells
  • "star cell"
  • ability of phagocytosis
  • produces myelin sheath in the CNS
  • associated with MS
  • produces myelin sheath in the PNS
  • neuroglia that forms the neurilemma

Question 3

Question
Which of the following is/are classified as nerve fibers?
Answer
  • axon
  • dendrites
  • none of the above

Question 4

Question
Which of the following conduct impulses toward the cell body?
Answer
  • axons
  • dendrites
  • Nissl bodies
  • none of the above

Question 5

Question
A neuron with one axon and several dendrites is a
Answer
  • multipolar neuron
  • unipolar neuron
  • bipolar neuron
  • none of the above

Question 6

Question
Which type of neuron lies entirely within the CNS?
Answer
  • afferent
  • efferent
  • inerneuron
  • none of the above

Question 7

Question
Which sequence best represents the course of an impulse over a reflex arc?
Answer
  • receptor, synapse, sensory neuron, motor neuron, effector
  • effector, sensory neuron, synapse,motor neuron, receptor
  • receptor, motor neuron, synapse, sensory neuron, effector,
  • receptor, sensory neuron, interneuron, motor neuron, effector

Question 8

Question
A complete nerve, consisting of numerous fascicles and their blood supply, is held together by a fibrous coat called the
Answer
  • endoneurium
  • perineurium
  • epineurium
  • fascicles

Question 9

Question
Small, distinct regions of gray matter within the CNS are usually called
Answer
  • white matter
  • nuclei
  • ganglia
  • fascicles

Question 10

Question
Nerves that contain mostly efferent fibers are called
Answer
  • sensory nerves
  • motor nerves
  • mixed nerves
  • Schwann nerves

Question 11

Question
Gray matter in the CNS consists of
Answer
  • nerve fibers
  • neuroglia
  • axons
  • cell bodies

Question 12

Question
Most nerves in the human nervous system are
Answer
  • sensory nerves
  • motor nerves
  • mixed nerves
  • reflex nerves

Question 13

Question
Evidence now indicates that neurons may be replaced
Answer
  • True
  • False

Question 14

Question
Regeneration of nerve fibers will occur if the cell body is intact and the fibers have a neurilemma.
Answer
  • True
  • False

Question 15

Question
There are no differences between the CNS and PNS concerning the repair of damaged fibers.
Answer
  • True
  • False

Question 16

Question
The somatic motor division carries information to the [blank_start]skeletal[blank_end] muscles.
Answer
  • skeletal
  • smooth

Question 17

Question
Incoming sensory pathways are [blank_start]afferent[blank_end].
Answer
  • afferent
  • efferent

Question 18

Question
The [blank_start]parasympathetic[blank_end] division coordinates the body's normal resting activities and is sometimes referred to as the "rest and repair" division.
Answer
  • parasympathetic
  • sympathetic

Question 19

Question
The myelin sheath is produced by [blank_start]oligodendrocytes[blank_end] in the CNS.
Answer
  • oligodendrocytes
  • ependymal

Question 20

Question
The [blank_start]Schwann cells[blank_end] are found only in peripheral neurons.
Answer
  • Schwann cells
  • microglia

Question 21

Question
Myelin sheath gaps are often called [blank_start]nodes of Ranvier[blank_end].
Answer
  • nodes of Ranvier
  • neurilemma

Question 22

Question
Energy for the neuron is provided by [blank_start]mitochondria[blank_end].
Answer
  • mitochondria
  • Golgi apparatus

Question 23

Question
Myelinated fibers are [blank_start]white[blank_end].
Answer
  • white
  • gray

Question 24

Question
[blank_start]Interneurons[blank_end] lie entirely within the central nervous system.
Answer
  • Interneurons
  • efferent neurons

Question 25

Question
All electrical signals that start in receptors [blank_start]do not[blank_end] invariable travel over a complete reflex arc and terminate in effectors.
Answer
  • do not
  • do

Question 26

Question
Neurons: [blank_start]axon,[blank_end] [blank_start]sensory[blank_end], [blank_start]conduct impulses[blank_end], [blank_start]efferent[blank_end], [blank_start]multipola[blank_end]r Neuroglia: [blank_start]supporting cells[blank_end], [blank_start]astrocytes[blank_end], [blank_start]forms myelin sheath[blank_end], [blank_start]phagocytosis[blank_end], [blank_start]multiple sclerosis[blank_end]
Answer
  • axon,
  • sensory
  • conduct impulses
  • efferent
  • multipola
  • supporting cells
  • astrocytes
  • forms myelin sheath
  • phagocytosis
  • multiple sclerosis
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