Posterior column MCQ 9+

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Dorsal column lesion impairs

ক
Vibration sense

খ
Touch sensation

গ
Proprioception

ঘ
Pain sensation

ঙ
Plantar reflex
Sensations conveyed in the dorsal column of the spinal cord are

ক
Joint position

খ
Proprioception

গ
Vibrations

ঘ
Temperature

ঙ
Pain
Posterior column damage in the spinal cord may impair

ক
Touch sensation

খ
The ability to stand steadily with the eyes closed

গ
Vibration sense

ঘ
Pain sensation

ঙ
The flexor plantar response to stimulation of the sole
Posterior column damage in spinal cord may impair

ক
Sense of vibration

খ
Tactile localization

গ
Pain sensation

ঘ
The flexor response to stimulation of the sole

ঙ
Temperature sensation
Damage to the posterior column of the spinal cord may impair

ক
Vibration sense

খ
Touch sensation

গ
The ability to stand steadily with the eyes closed

ঘ
Pain sensation

ঙ
Flexor plantar response to stimulation of the sole
Joint position sense in the left arm is impaired if there is damage to the

ক
Post-central gyrus of the right cerebral hemisphere

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Left dorsal column in the upper cervical region

গ
Thalamus on the left side

ঘ
Cerebellum

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Superior colliculi
Cuneocerebeller tract

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Originates in the nucleus cuneatus

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Enters same sided cerebellum

গ
Receives muscle joint information from upper limb and thorax

ঘ
Traverses through the middle cerebeller peduncle

ঙ
Terminates as climbing fibres
The proprioceptive sensations includes the followings

ক
Position sensations

খ
Pressure sensation from the bottom of the foot

গ
Sensation of equilibrium

ঘ
Sensation from surface of the body

ঙ
Sensation from internal organs
Dorsal column damage in the spinal cord results in

ক
Impair touch sensation

খ
Impair vibration sense

গ
Able to stand steadily with closed eyes

ঘ
Impair pain sensation

ঙ
Flexor planter response