10 Questions
What type of sensation is transmitted by the dorsal column pathway?
Fine touch and proprioception
What is the central pathway for tactile discrimination?
Gracile and cuneate tract (dorsal column)
Which afferent nerves are involved in crude touch sensation?
Aδ fibers
Which sensory system pathway transmits sexual sensation?
Ventral spinothalamic tract
What is the threshold distance for 2 point discrimination on the palm of the hand?
5mm
What type of sensation is transmitted by the ventral spinothalamic tract?
Pain
What is the function of Aᵦ fibers in the sensory system?
Transmit fine touch sensation
Which ascending pathway transmits proprioceptive sensation from the same side up to the medulla oblongata before crossing to the opposite side?
Dorsal column (gracile and cuneate)
What is the primary function of the dorsal column pathway in the sensory system?
Transmit fine touch sensation
What is the threshold distance for 2 point discrimination at the fingertips?
2.5
Learn about the sensory system examination, including the appreciation of stimuli, receptors, and ascending pathways for different sensations such as fine touch, vibration, proprioception, and pain. Explore the sensory system with Dr. Neven Makram Aziz.
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