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1. A neurologist runs a feather over your left hand. To process this sensation, where are the following:
First order neuron cell bodies
Left Anterior Horn
Left Spinal Nerve
Left Medulla
Left Dorsal Root Ganglion
2. A neurologist runs a feather over your left hand. To process this sensation, where do the following run:
First order neuron axons
Dorsal Columns
Corticobulbar Tract
Corticospinal Tract
Spinothalamic Tract
3. A neurologist runs a feather over your left hand. To process this sensation, where does the following occur:
Decussation
Thalamus
Ventral White Commissure
Medulla
Corpus Callosum
4. A neurologist runs a feather over your left hand. To process this sensation, where are the following:
Second order neuron axons
Right Fasciculus Cuneatus
Right Fasciculus Gracilis
Left Medial Lemniscus
Right Medial Lemniscus
5. A neurologist runs a feather over your left hand. To process this sensation, where does the following occur:
Second Synapse
Right Ventral Posterolateral Nucleus
Left Lateral Geniculate Nucleus
Right Ventral Posteromedial Nucleus
Left Anterior Nucleus
6. A neurologist runs a feather over your left hand. To process this sensation, where does the following occur:
Termination of the pathway
Cerebellum
Corpus Callosum
Primary Somatosensory Cortex
Cingulate Gyrus
7. You step on a bed of hot coals with your right foot. Where are the following?
First order neuron cell bodies
Right Ventral Horn
Right Dorsal Root Ganglion
Right Tibial Nerve
Right Dorsal Horn
8. You step on a bed of hot coals with your right foot. Where are the following?
First synapse
Right Substantia Gelatinosa
Right Medulla
Ventral White Commissure
Right Substantia Nigra
9. You step on a bed of hot coals with your right foot. Where are the following?
Decussation
Corpus Callosum
Anterior Commissure
Medulla
Ventral White Commissure
10. You step on a bed of hot coals with your right foot. Where are the following?
Second order neuron axons
Right Fasciculus Cuneatus
Left Medial Lemniscus
Left Lateral Lemniscus
Left Lateral Spinothalamic Tract
11. You step on a bed of hot coals with your right foot. Where are the following?
Second Synapse
Left Ventral Posteromedial Nucleus
Left Ventral Posterolateral Nucleus
Left Midline Nucleus
Left Somatosensory Cortex
12. Gene, a 74 year old male, had difficulty and ataxia while trying to perform a Finger-nose-finger exam, and has a positive Romberg sign. Where is the LEAST likely location of the lesion?
Medial Lemniscus
Spinothalamic tract
Nucleus Cuneatus
Cerebellum
13. Louise, an 80 year old female, has a meningioma that damages only her ventral white commissure at T10. What symptom is she most likely experiencing?
Bilateral analgesia around the level of her umbilicus
Inability to feel a cotton wisp on her right arm
Unable to feel a tuning fork vibrating at the level of her umbilicus
Unble to correctly identify the temperature of a tuning fork touching her feet
14. Tina, a 23 year old female, entered a clinical experiment without reading the description. During the trial, both of her VPL nuclei in her thalamus are lesioned. What symptoms would she likely be experiencing?
Ataxia
Loss of vibration sense
Analgesia
All of the above
15. Bob, a 90 year old male, presents to your office with bilateral loss of vibration sensation and inability to feel a cotton wisp. His pinprick test is normal. Imaging shows a focal CNS lesion. Where is the most likely location of the lesion?