External Topography Of The Brainstem (WEEK 3)

Question 1

What are the pyramids separated by

Answer 1

The ventral median fissure

Question 2

Where does the oculomotor nerve emerge on the brain stem

Answer 2

Midbrain

Question 3

Where does the trochlear nerve emerge on the brain stem

Answer 3

Midbrain

Question 4

Where does the trigeminal nerve emerge on the brain stem

Answer 4

Pons

Question 5

Where does the abducent nerve emerge on the brain stem

Answer 5

Pontomedullary junction

Question 6

Where does the facial nerve emerge on the brain stem

Answer 6

Pontomedullary junction

Question 7

Where does the vestibulocochlear nerve emerge on the brain stem

Answer 7

Pontomedullary junction

Question 8

Where does the glossopharyngeal nerve emerge on the brain stem

Answer 8

Dorsolateral sulcus

Question 9

Where does the vagus nerve emerge on the brain stem

Answer 9

Dorsolateral sulcus

Question 10

Where does the accessory nerve emerge on the brain stem

Answer 10

Dorsolateral surface

Question 11

Where does the hypoglossal nerve emerge on the brain stem

Answer 11

Anterolateral sulcus

Question 12

Telencephalon

Answer 12

Cerebrum

Question 13

Diencephalon

Answer 13

Thalamus

Hypothalamus

Question 14

Mesencephalon

Answer 14

Midbrain

Question 15

Metencephalon

Answer 15

Cerebellum

Pons

Question 16

Myelencephalon

Answer 16

Medulla oblongata

Question 17

At what vertebral level does the spinal cord end in the fully grown adult

Answer 17

L1/L2

Question 18

A spinal tap is most safely administered between what vertebrae

Answer 18

L4 and L5

Question 19

What nerve emerges anterior to the olives but posterior to the pyramids

Answer 19

Hypoglossal nerve

Question 20

Which nerve is the only nerve to emerge from the dorsal aspect of the brain stem

Answer 20

The trochlear nerve

Question 21

What does lesions of the spinal cord at spinal segment C5 result in

Answer 21

Quadriplegia

Question 22

What tract is found in the anterior funiculus of the spinal cord

Answer 22

Tectospinal fibres

Question 23

Where is proprioceptive, tactile and vibratory sensory information from the lower limbs chiefly carried out by

Answer 23

The gracile fasciculus

Question 24

What function is carried out by the cerebrocerebellum

Answer 24

Planning / coordination of skilled movements

Question 25

CNIII oculomotor nerve emergence

Answer 25

midbrain

Question 26

CNIV trochlear nerve emergence

Answer 26

midbrain

Question 27

CNV trigeminal nerve emergence

Answer 27

pons

Question 28

CNVI abducent nerve emergence

Answer 28

pontomedullary junction

Question 29

CNVII facial nerve emergence

Answer 29

pontomedullary junction

Question 30

CNVIII vestibulocochlear nerve emergence

Answer 30

pontomedullary junction

Question 31

CNIX glossopharyngeal nerve emergence

Answer 31

dorsolateral sulcus

Question 32

CNX vagus nerve emergence

Answer 32

dorsolateral sulcus

Question 33

CNXI accessory nerve emergence

Answer 33

dorsolateral sulcus

Question 34

CNXII hypoglossal nerve emergence

Answer 34

anterolateral sulcus

Question 35

telencephalon

Answer 35

cerebrum

Question 36

diencephalon

Answer 36

thalamus

hypothalamus

Question 37

mesencephalon

Answer 37

midbrain

Question 38

metencephalon

Answer 38

cerebellum

pons

Question 39

myelencephalon

Answer 39

medulla oblongata

Question 40

where does the hypoglossal nerve originate

Answer 40

anterior to the olives but posterior to the pyramids