Anatomy

Question 1

Where do the cranial nerve exit the brainstem?

Answer 1

I, II, III, IV - midbrain
V, VI, VII, VIII - pons
IX, X, XI, XII - medulla

Question 2

Where is broca’s area located?

Answer 2

Between Prefrontal cortex and premotor cortex

Question 3

Where is wenicke’s area located?

Answer 3

Temporal lobe

Question 4

Function of pineal gland in brainstem?

Answer 4

Melatonin secretion, circadian rhythm

Question 5

Function of superior colliculi in brain stem

Answer 5

Eye movements (eyes are above ears)

Question 6

Function of inferior colliculi in brainstem?

Answer 6

Hearing

Question 7

Nerve innervation of stapedius ?

Answer 7

Facial

Question 8

Nerve innervation of stapedius ?

Answer 8

Facial

Question 9

Nerve innervation of tensor tymapni?

Answer 9

Trigeminal (dampening of sounds)

Question 10

Muscles of mastication

Answer 10

3 M’s
Temporalis
Mastoid
Medial pterygoid

Question 11

Where does the spinal cord end? Where does CSF end? Where is an LP performed?

Answer 11

Spinal cord ends at L1-L2
CSF ends at S2 (Subarachnoid Space where CSF lies ends at S2)
LP between L3-L5 to keep the cord alive

Question 12

Structures you pass through when performing an LP?

Answer 12

(SILy to not know this)
Skin
Fascia
Supraspinatous ligament
Interspinous ligament
Ligamentum flavum
Epidural space
Dura mater
Arachnoid mater
Subarachnoid space (where CSF is)

Question 13

Spinal tract responsible for pain and temperature?

Answer 13

Spinothalamic

Question 14

Soinal tract responsible for voluntary movements

Answer 14

Corticospinal

Question 15

Spinal tract responsible for vibration, pressure, proprioception, fine touch

Answer 15

Dorsal column

Question 16

Course of the spinothalamic tract

Answer 16

Dorsal horn, synapses in dorsal horn, travels up anterior horn, through medulla to thalamus

Question 17

Course of dorsal colum

Answer 17

Travels up dorsal horn to medulla, synapses in medulla, crosses over to anteriomedial horn, travels up to thalamus

Question 18

Course of corticospinal tract

Answer 18

Travels to medulla from motor cortex, crosses to lateral horn, synapses in anterior horn and exits

Question 19

Where does spinothalamic tract synapse?

Answer 19

Spinal cord - dorsal horn

Question 20

Where does the dorsal column synapse

Answer 20

Dorsal horn of medulla

Question 21

Where does the corticospinal tract synapse

Answer 21

Anterior horn of spinal cord

Question 22

nerve root of tibial nerve

Answer 22

L3-S3

Question 23

nerve root of femoral nerve

Answer 23

L2-L4

Question 24

nerve root of genitofemoral nerve

Answer 24

L1-L2

Question 25

what artery supplies broca’s area

Answer 25

superior branch of the left middle cerebral artery
(broca’s area found in left frontal lobe)

Question 26

structure affected in internuclear ophthalmoplegia

Answer 26

medial longitudinal fasciculus

Question 27

pudendal nerve roots

Answer 27

S2-S4