Physiology IV: Somatosensory System 2 - Primary Sensory Neurons and their Modalities

Pregunta 1 de 11

1

Sensory Pathways:
❌ Discriminatory touch, pressure, vibration, proprioception
❌ Pain, Thermosensation, itch, tickle

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Dorsal Column/Medial Lemniscus System

Spinothalmic Tract

Tectospinal Tract

Corticospinal Tract

Explicación

Pregunta 2 de 11

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Third order neurons of the sensory pathways tend to originate in the ( Thalamus, Hypothalamus, Putamen, Caudate Nucleus ) and project to the ( Primary Somatosensory Cortex, Primary Motor Cortex ) (AKA the ( Postcentral, Precentral ) Gyrus)

Explicación

Pregunta 3 de 11

1

Label the parts of the sensory and motor pathways shown below.

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Dorsal Column

Spinothalamic Tract

Ventral Corticospinal Tract

Lateral Corticospinal Tract

Lateral Vestibulospinal Tract

Medullary Reticulospinal Tract

Explicación

Pregunta 4 de 11

1

The Dorsal Column is split into 2 parts, the fasciculus gracilis and fasciculus cuneatus. Which is which and what do they innervate?

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Fasciculus Gracilis

Fasciculus Cuneatus

Sensory Input Legs/Lower Trunk

Sensory Input Arms/Upper Trunk

Explicación

Pregunta 5 de 11

1

The vertebral level where sensory information stops travelling via the fasciculus cuneatus and starts travelling in the fasciculus gracilis is ...

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T6
C4
L1
S2

Explicación

Pregunta 6 de 11

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In terms of the dorsal column medial lemniscus pathway, ( 2nd, 1st, 3rd ) order neurons cross collectively at the great sensory decussation and ascend in the ( medial lemniscus, lateral lemniscus, inferior colliculus ) to the ( Ventral Posterior Lateral (VPL), Ventral Superior Medial (VSM), Geniculate ) nucleus of the thalamus

Explicación

Pregunta 7 de 11

1

The Dorsal Column Medial Lemniscus pathway allows for Stereognosis. What is this?

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The ability to recognise sounds by the vibrations they cause
The ability to recognise an object by feeling it
The ability to identify the magnitude of certain vibrations

Explicación

Pregunta 8 de 11

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( Lateral Inhibition, Adjacent Inhibition, Lateral Depression, Adjacent Depression ) is the way in which an active neuron inhibits the activity of its neighbours via inhibitory interneurons

Explicación

Pregunta 9 de 11

1

The somatosensory cortex has how many cell layers?

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3
5
6
8

Explicación

Pregunta 10 de 11

1

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As information is conveyed from one neuron to the next in a sensory pathway, differences in the activity of adjacent neurones are amplified. This phenomenon is called

Explicación

Pregunta 11 de 11

1

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Lateral inhibition allows a more focussed idea of where a sensation has occurred in the body and is facilitated by a certain type of neuron. These neurons are called

	Creado por Matthew Coulson hace casi 6 años

Somatosensory System 2 - Primary Sensory Neurons and their Modalities given on 4/9/2018

Physiology IV: Somatosensory System 2 - Primary Sensory Neurons and their Modalities

Pregunta 1 de 11

Sensory Pathways: ❌ Discriminatory touch, pressure, vibration, proprioception ❌ Pain, Thermosensation, itch, tickle

Arrastra y suelta para completar el texto.

Explicación

Pregunta 2 de 11

Selecciona la opción correcta de los menús desplegables para completar el texto.

Explicación

Pregunta 3 de 11

Label the parts of the sensory and motor pathways shown below.

Arrastra la opción correcta a cada uno de los puntos naranjas

Explicación

Pregunta 4 de 11

The Dorsal Column is split into 2 parts, the fasciculus gracilis and fasciculus cuneatus. Which is which and what do they innervate?

Arrastra la opción correcta a cada uno de los puntos naranjas

Explicación

Pregunta 5 de 11

The vertebral level where sensory information stops travelling via the fasciculus cuneatus and starts travelling in the fasciculus gracilis is ...

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 6 de 11

Selecciona la opción correcta de los menús desplegables para completar el texto.

Explicación

Pregunta 7 de 11

The Dorsal Column Medial Lemniscus pathway allows for Stereognosis. What is this?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 8 de 11

Selecciona la opción correcta del menú desplegable para completar el texto.

Lateral Inhibition Adjacent Inhibition Lateral Depression Adjacent Depression( Lateral Inhibition, Adjacent Inhibition, Lateral Depression, Adjacent Depression ) is the way in which an active neuron inhibits the activity of its neighbours via inhibitory interneurons

Explicación

Pregunta 9 de 11

The somatosensory cortex has how many cell layers?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 10 de 11

Rellena el espacio en blanco para completar el texto.

As information is conveyed from one neuron to the next in a sensory pathway, differences in the activity of adjacent neurones are amplified. This phenomenon is called

Explicación

Pregunta 11 de 11

Rellena el espacio en blanco para completar el texto.

Lateral inhibition allows a more focussed idea of where a sensation has occurred in the body and is facilitated by a certain type of neuron. These neurons are called

Explicación

Sensory Pathways:
❌ Discriminatory touch, pressure, vibration, proprioception
❌ Pain, Thermosensation, itch, tickle

( Lateral Inhibition, Adjacent Inhibition, Lateral Depression, Adjacent Depression ) is the way in which an active neuron inhibits the activity of its neighbours via inhibitory interneurons