Test
Study Guide: Nervous System Cells
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Preguntas del test (26)
1[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- Acentral nervous system
- Bperipheral nervous system
- Cafferent division
- Dsympathetic division
- Esomatic nervous system
- Fautonomic nervous system
- Gefferent nervous system
- Hparasympathetic division
2astrocyte: [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]- Ahelps form the blood-brain barrier
- Blargest/most numerous neuroglial cells
- C"star cell"
- Dability of phagocytosis
- Eproduces myelin sheath in the CNS
- Fassociated with MS
- Gproduces myelin sheath in the PNS
- Hneuroglia that forms the neurilemma
3Which of the following is/are classified as nerve fibers?
- Aaxon
- Bdendrites
- Cnone of the above
4Which of the following conduct impulses toward the cell body?
- Aaxons
- Bdendrites
- CNissl bodies
- Dnone of the above
5A neuron with one axon and several dendrites is a
- Amultipolar neuron
- Bunipolar neuron
- Cbipolar neuron
- Dnone of the above
6Which type of neuron lies entirely within the CNS?
- Aafferent
- Befferent
- Cinerneuron
- Dnone of the above
7Which sequence best represents the course of an impulse over a reflex arc?
- Areceptor, synapse, sensory neuron, motor neuron, effector
- Beffector, sensory neuron, synapse,motor neuron, receptor
- Creceptor, motor neuron, synapse, sensory neuron, effector,
- Dreceptor, sensory neuron, interneuron, motor neuron, effector
8A complete nerve, consisting of numerous fascicles and their blood supply, is held together by a fibrous coat called the
- Aendoneurium
- Bperineurium
- Cepineurium
- Dfascicles
9Small, distinct regions of gray matter within the CNS are usually called
- Awhite matter
- Bnuclei
- Cganglia
- Dfascicles
10Nerves that contain mostly efferent fibers are called
- Asensory nerves
- Bmotor nerves
- Cmixed nerves
- DSchwann nerves
11Gray matter in the CNS consists of
- Anerve fibers
- Bneuroglia
- Caxons
- Dcell bodies
12Most nerves in the human nervous system are
- Asensory nerves
- Bmotor nerves
- Cmixed nerves
- Dreflex nerves
13Evidence now indicates that neurons may be replaced
- AVerdadero
- BFalso
14Regeneration of nerve fibers will occur if the cell body is intact and the fibers have a neurilemma.
- AVerdadero
- BFalso
15There are no differences between the CNS and PNS concerning the repair of damaged fibers.
- AVerdadero
- BFalso
16The somatic motor division carries information to the [blank_start]skeletal[blank_end] muscles.
- Askeletal
- Bsmooth
17Incoming sensory pathways are [blank_start]afferent[blank_end].
- Aafferent
- Befferent
18The [blank_start]parasympathetic[blank_end] division coordinates the body's normal resting activities and is sometimes referred to as the "rest and repair" division.
- Aparasympathetic
- Bsympathetic
19The myelin sheath is produced by [blank_start]oligodendrocytes[blank_end] in the CNS.
- Aoligodendrocytes
- Bependymal
20The [blank_start]Schwann cells[blank_end] are found only in peripheral neurons.
- ASchwann cells
- Bmicroglia
21Myelin sheath gaps are often called [blank_start]nodes of Ranvier[blank_end].
- Anodes of Ranvier
- Bneurilemma
22Energy for the neuron is provided by [blank_start]mitochondria[blank_end].
- Amitochondria
- BGolgi apparatus
23Myelinated fibers are [blank_start]white[blank_end].
- Awhite
- Bgray
24[blank_start]Interneurons[blank_end] lie entirely within the central nervous system.
- AInterneurons
- Befferent neurons
25All electrical signals that start in receptors [blank_start]do not[blank_end] invariable travel over a complete reflex arc and terminate in effectors.
- Ado not
- Bdo
26Neurons: [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]- Aaxon,
- Bsensory
- Cconduct impulses
- Defferent
- Emultipola
- Fsupporting cells
- Gastrocytes
- Hforms myelin sheath
- Iphagocytosis
- Jmultiple sclerosis
Información
- Descripción
- Study Guide: Nervous System Cells
- Autor
- Alexandra Bozan
- Idioma
- English
- Visitas
- 44
- Historial
- Creado el 20 mar 2017 · actualizado el 20 mar 2017
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