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Flashcards in Basic Neurology Deck (18)
1

[basicNeuro]: Lesion at the spinal cord level presents with what signs (2)

UMN below
LMN at the level

2

[basicNeuro]: which fibres decussate at the level of the cord input

Spinothalamic

3

[basicNeuro]: what causes a Brown-sequard synfrome

hemi-cord lesion

4

[basicNeuro]: what is dissociated sensory loss

loss of fine touch/proprioception with pain and temperature retained (dorsal column damage only)

5

[basicNeuro]: Where are motor nerve cells found in the brain

precentral gyrus (frontal cortex)

6

[basicNeuro]: where do motor cells from the cortex synapse

Anterior horn cells

7

[basicNeuro]: where do motor fibres decussate

Medullary pyramids

8

[basicNeuro]: what does 'pyramidal' fibres refer to

those motor fibres that pass through the medullary pyramids

9

[basicNeuro]: what does extra-pyramidal refer to

CNS motor fibres relating to basal ganglia

10

[basicNeuro]: what do extra-pyramidal fibres control (2)

initiation
maintenance of movement

11

[basicNeuro]: UMNL arm weakness in what muscle group

extensor

12

[basicNeuro]: UMNL leg weakness in what muscle group

flexors

13

[basicNeuro]: what is the difference between spasticity and rigidity (2)

velocity dependent (spasticity)
non uniform (spasticity)

14

[basicNeuro]: UMN babinski?

+ve (plantars upgoing)

15

[basicNeuro]: UMNL causes a ... Hoffmans sign

+

16

[basicNeuro]: UMNL can mimic LMNL when?

First few hours

17

[basicNeuro]: name the major pyramidal tract

corticospinal (both lateral and anterior)

18

[basicNeuro]: rubrospinal + olivospinal + lateral and medial reticulospinal + tectospinal + vestibulospinal tracts form what tract system

extra-pyramidal