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Autonomous Nervous System

Soheila Amri 40 preguntas

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Preguntas del test (40)

  1. 1Neurons;
    1. AMajority of neurons are interneurons (50 billion)
    2. BThe glial cells are in a lesser amount than the interneurons
    3. CA couple of the neurons are efferent motor neurons
    4. DPost-ganglionic and pre-ganglionic neurons are afferent neurons
  2. 2Division of Nervous system
    1. ASomatic afference - All types of realised senses
    2. BSomatic efference - All types of realised senses
    3. CEfference - Autonomic/vegetative senses (visceral sensation)
    4. DEfference - Autonomic system (sympathetic & parasympathetic)
  3. 3Types of receptors;
    1. AThe specialised cells are divided into central & peripheral receptors
    2. BEyes, ears, nose and tongue are peripheral receptors
    3. CEyes, ears, nose and tongue are central receptors
    4. DChemo, osmo, thermo, baro, mechano and proprioceptors are central receptors
  4. 4Afferent part of ANS;
    1. AThe afferent peripheral motor portions of the autonomic nervous system are made up of preganglionic and postganglionic neurons.
    2. BAfferent pathway consist mostly of motor neurons
    3. CAutonomic centres are located in cortex, subcortical regions, hypothalamus, medulla oblongata and spinal cord
    4. DAfferent fibers begin with receptor located in internal organs, forming visceral sensation
  5. 5Efferent part of ANS;
    1. AThe peripheral motor portions of the autonomic nervous system are made up of preganglionic and postganglionic neurons.
    2. BThe cell bodies of the preganglionic N. are located in the visceral efferent intermediolateral gray column (IML) of the spinal cord or the homologous motor nuclei of the cranial nerves.
    3. CPreganglionic axons are umyelinated C fibers.
    4. DPre-ganglionic n. synapse on the cell bodies of postganglionic neurons that are located inside the CNS.
  6. 6Efferent part of ANS;
    1. AThe axons of the postganglionic neurons, mostly unmyelinated C fibers, end on the visceral effectors.
    2. BEach preganglionic axon diverges to eight or nine postganglionic neurons. Autonomic output diffuses.
    3. CThe axons of the postganglionic neurons, mostly myelinated B fibers, end on the visceral effectors.
    4. DEach preganglionic axon diverges to five postganglionic neurons. Autonomic output diffuses.
  7. 7Choose the wrong part of ANS
    1. ASympathetic
    2. BEnteric nervous system
    3. CParasympathetic
    4. DPeripheral nervous system (PNS)
  8. 8Sympathetic system;
    1. AHas thoracolumbar outflow
    2. BHas craniosacral outflow
    3. CPreganglionic fibers leave the spinal cord through anterior horn
    4. DSpinal nerve, Post-ganglionic neurons and fibers leave through the dorsal horn
  9. 9Parasympathetic system;
    1. APreganglionic neurons in lateral horn of the spinal cord
    2. BPreganglionic fibers – in cranial and splanchnic nerves
    3. CHas craniosacral outflow
    4. DPostganglionic neurons in plexuses located deep in viscera and post-ganglonic fibers in short viscera
    5. EPostganglionic neurons in paravertebral and prevertebral ganglions
  10. 10Efferent ANS - chemical divison; Cholinergic component
    1. AUses epinephrine for transduction
    2. BFound in all preganglionic sympathetic and parasympathetic fibers
    3. CMajority of pre-ganglionic parasympathetic fibers
    4. DSympathetic postganglionic neurons innervating sweat glands
    5. ESympathetic postganglionic neurons innervating blood vessels to skeletal muscles and external sex organs (producing vascular dilatation)

Información

Descripción
Based on PUM presentations and own notes
Idioma
English
Visitas
2
Etiquetas
medicine
Valoración
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