Neuroanatomy

Question 1

Function of the frontal lobe (5)

Answer 1

Concentration 
Elaboration of Thought 
Judgement 
Inhibition 
Personality

Question 2

Function of the temporal lobe (3)

Answer 2

Auditory receptor area
Receptive Speech
Memory/information retrieval

Question 3

Difference between Broca’s and Wernicke’s area

Answer 3

Wernicke’s area = comprehending speech

Broca’s area = development of speech

Question 4

Broca’s Aphasia

Answer 4

Struggle to find the words

Can understand speech

Question 5

Wernicke’s Aphasia

Answer 5

Cannot understand speech

Speak gibberish

Question 6

Sensory Tracts

Answer 6

Dorsal Column (fasciculus cuneatus and gracilis) 
Spinothalamic Tract

Question 7

Modalities in Dorsal Column

Side

Answer 7

Proprioception
Fine Touch
Vibration
Ipsilateral

Question 8

Fasciculus cuneatus supplies

Answer 8

Upper limb, upper trunk

Question 9

Fasciculus gracilis supplies

Answer 9

Lower limb, lower trunk

Question 10

Modalities in Spinothalamic Tract

Side

Answer 10

Pain
Temperature
Deep Pressure
Contralateral

Question 11

Motor Tracts

Answer 11

Corticospinal (anterior and lateral)
Reticulospinal (lateral and medial)
Rubrospinal 
Tectospinal 
Vestibulospinal

Question 12

Anterior vs Lateral Corticospinal Tract

Answer 12

Anterior - isilateral, decussate in the spinal cord

Lateral - contralateral, decussate in the medulla

Question 13

Modality in the Corticospinal Tract

Answer 13

Fine Precise Movement

Question 14

Lateral vs Medial Reticulospinal Tract

Answer 14

Medial - originates in the pons

Lateral - originates in the medulla

Question 15

Modality in Lateral Reticulospinal Tract

Answer 15

Inhibits voluntary movements

Decreases tone

Question 16

Modality in Medial Reticulospinal Tract

Answer 16

Facilitates voluntary movements

Increases tone

Question 17

Foramen between lateral and 3rd ventricle

Answer 17

Interventricular foramen

Foramen of Munro

Question 18

Foramen of Munro

Answer 18

Between lateral and 3rd

Question 19

Between 3rd and 4th ventricle

Answer 19

Cerebral Aqueduct

Aqueduct of Sylvius

Question 20

Between 4th ventricle and sub-arachnoid space

Answer 20

Lateral apperture (of Luschka)

Question 21

Location of somatomotor cortex

Answer 21

Pre-central gyrus

Question 22

Location of somatosensory cortex

Answer 22

Post-central gyrus

Question 23

Function of parietal lobe (3)

Answer 23

Sensory discrimination
Sensation
Orientation

Question 24

Function of occipital lobe (2)

Answer 24

Vision

Colour perception

Question 25

Signs of CNS lesion

Answer 25

Increased tone 
Contralateral weakness
Increased reflexes 
Extensor plantars/positive Babinski 
Hemisensory loss

Question 26

Signs of Peripheral Nerve lesion

Answer 26

Distal wasting 
Decreased tone 
Distal weakness 
Decreased reflexes 
Flexor plantars 
Glove and stocking sensory loss

Question 27

MCA Stroke Syndrome

Answer 27

Contralateral hemiparesis
Contralateral sensory loss
Contralateral homonymous hemianopia
May see aphasia

Question 28

ACA Stroke Syndrome

Answer 28

Contralateral hemiparesis

Contralateral sensory loss

Question 29

PCA Stroke Syndromes

Occipital Lobe

Answer 29

Contralateral homonymous hemianopia

Question 30

Brainstem Stroke Syndromes Principle

Answer 30

See crossed sensory and motor findings

Ipsilateral face and contralateral body