Spinal Tracts

Question 1

What do the spinal tracts look like?

Answer 1

Question 2

What do the Spinothalamic tracts do and where do they decussate and where do they travel?

Answer 2

Decussate at medulla and go to thalamus first then primary sensory cortex

Sensory

Pain and temperature

Decussate immediatley

Question 3

What do the dorsal columns do where do they decussate?

Answer 3

Sensory

Soft touch, proprioception, vibration

Decussate at medulla and go to thalamus first and then primary sensory cortex

Question 4

What do the corticospinal tracts do?

Answer 4

Motor

Decussate at the medulla

Question 5

What are the symptoms of an UMN neuropathy

Answer 5

Hyperreflexic

Increased tone

Clonus

Weakness

Upgoing plantars

Question 6

What are the symptoms of a LMN neuropathy

Answer 6

Hyporeflexic

Fasciculations

Weakness

Atrophy

Question 7

Wht are the symptoms of a sensory neuropathy

Answer 7

Areflexia

Atakia

Anaesthesia

Pain

Sensitive to touch

Question 8

What are anterior Horn cells?

Answer 8

Where LMN begins but damage causes a mix of UMN and LMN signs

Question 9

What would give hyper, hypo, areflexia?

Answer 9

Hyper - UMN

Hypo - LMN

Areflexia - Sensory