NURS 226 Chapter 24 Part 3 Exam Questions
and Answers with Verified Solutions | Latest
Updated 2026
Anterolateral Tract Carries pain, temperature, and crude touch
Anterolateral Tract Pathway Crosses over early in spinal cord, travels
to
thalamus and cortex
Clinical pearl for Anterolateral Injury = opposite side (contralateral) loss
Tract
Injury
Posterior (Dorsal) Columns Carries vibration, proprioception (position),
and
fine touch
Posterior Columns Pathway Travels same side first, crosses over in
medulla
Clinical pearl for Posterior Column Injury = same side (ipsilateral) loss
Injury
Pain Testing Sharp vs dull
, Abnormal Pain Responses Hypoalgesia (↓ pain), Hyperalgesia (↑
pain),
Analgesia (no pain)
Light/Crude Touch Testing Cotton wisp
Abnormal Light/Crude Touch Hypoesthesia, Hyperesthesia, Anesthesia
Responses
Vibration Testing Tuning fork on bone
Abnormal Vibration Response Cannot feel vibration (early sign of
neuropathy)
Proprioception Testing Move toe/finger up or down
Abnormal Proprioception Cannot identify position
Response
Fine Touch Testing Stereognosis and Graphesthesia
Abnormal Fine Touch Responses Astereognosis and cannot recognize
traced
number
Extinction Testing Touch both sides simultaneously
Abnormal Extinction Response Only feels one side
and Answers with Verified Solutions | Latest
Updated 2026
Anterolateral Tract Carries pain, temperature, and crude touch
Anterolateral Tract Pathway Crosses over early in spinal cord, travels
to
thalamus and cortex
Clinical pearl for Anterolateral Injury = opposite side (contralateral) loss
Tract
Injury
Posterior (Dorsal) Columns Carries vibration, proprioception (position),
and
fine touch
Posterior Columns Pathway Travels same side first, crosses over in
medulla
Clinical pearl for Posterior Column Injury = same side (ipsilateral) loss
Injury
Pain Testing Sharp vs dull
, Abnormal Pain Responses Hypoalgesia (↓ pain), Hyperalgesia (↑
pain),
Analgesia (no pain)
Light/Crude Touch Testing Cotton wisp
Abnormal Light/Crude Touch Hypoesthesia, Hyperesthesia, Anesthesia
Responses
Vibration Testing Tuning fork on bone
Abnormal Vibration Response Cannot feel vibration (early sign of
neuropathy)
Proprioception Testing Move toe/finger up or down
Abnormal Proprioception Cannot identify position
Response
Fine Touch Testing Stereognosis and Graphesthesia
Abnormal Fine Touch Responses Astereognosis and cannot recognize
traced
number
Extinction Testing Touch both sides simultaneously
Abnormal Extinction Response Only feels one side
