lolas quiz

Question 1

name all the cranial nerves that exit via the jugular foramen

Answer 1

9 - glossopharyngeal
10 - vagus
11 - accessory

Question 2

name all the cranial nerves that carry both sensory and motor fibres

Answer 2

5 - trigeminal
7 - facial
9 - glossopharyngeal
10 - vagus

Question 3

which cranial nerve abducts the eye

Answer 3

abudcents

Question 4

which 3 cranial nerves is involved with taste

Answer 4

7 - facial
9 - glossopharyngeal
10 - vagus

Question 5

how many cranial nerves exit via the superior orbital fissure

Answer 5

4

Question 6

what are the 3 layers of the meninges (most superficial first)

Answer 6

dura
arachnoid
pia

Question 7

name the 2 hormones that the posterior pituitry gland produces

Answer 7

oxytocin
vasopressin

Question 8

name one function of the cerebellum

Answer 8

balance and posture
coordination
motor learning
cognitive functions

Question 9

i am going to name some main components of a key structure, please name this structure
Caudate Nucleus, Putamen, Globus Pallidus,Subthalamic Nucleus and Substantia Nigra

Answer 9

basal nuclei / ganglia

Question 10

what is the function of the structure you have should have named

Answer 10

Regulate the muscle tone - smoothens voluntary movements

Question 11

what structure is the relay centre for sensory and motor signals and has a function of consciousness and alertness

Answer 11

thalamus

Question 12

name all 4 sulci

Answer 12

parieto-occipital
central sulcus
lateral fissure
pre-occipital notch

Question 13

what is the alternative name for the forebrain

Answer 13

prosencephalon

Question 14

what does the named embryological division then split into

Answer 14

telencephalon and diencephalon

Question 15

what does the rhombencephalon split into

Answer 15

myencephalon and metencephalon

Question 16

the medulla is the adult derivartive from which embryological division

Answer 16

myencephalon

Question 17

which 2 cranial nerves exit via the auditory canal

Answer 17

7 - facial
8 - vestibulocochlear

Question 18

which tract is the only ipsilateral one

Answer 18

dorsal column

Question 19

what is the modality of the lateral spinothalamic

Answer 19

norciception and temp

Question 20

what is the second order neuron for the anterior spinothalamic tract

Answer 20

substantia gelatinosa

Question 21

where does the spinoreticular, tectal and olivary tract run to

Answer 21

brainstem

Question 22

what is unique about the olfactory system

Answer 22

skips the thalamus and goes straight to the cortical areas

Question 23

what is the most common taste papillae found all over the tongue but mostly the edges

Answer 23

fungiform

Question 24

which structure controls how much light enters the eye and how?

Answer 24

iris by changing shape

Question 25

what happens at the optic chiasm

Answer 25

signals from two optic nerves converge at this crossover junction

Question 26

what vibrates to produce ossicles after sound waves have travelled

Answer 26

tympanic membrane

Question 27

name the first second and third order neurons for the vestibular system

Answer 27

First order neuron - vestibular ganglion Second order neuron - vestibular nuclei in medulla oblongata Third order neuron - Thalamus

Question 28

what is the only pyramidal tract

Answer 28

corticospinal

Question 29

what is the modality of that tract

Answer 29

voluntary, discrete, skilled movements

Question 30

name one other descending tract

Answer 30

Rubrospinal Reticulospinal Vestibulospinal Tectospinal Olivospinal

Question 31

define basal ganglia

Answer 31

Collection of gray matter nuclei located deep within the white matter of the cerebral hemispheres

Question 32

name the 4 structures in the direct pathway of the basal ganglia

Answer 32

Motor Cortex- Striatum- Internus- Thalamus

Question 33

what is the net effect of the indirect pathway of the basal ganglia

Answer 33

turns off the motor cortex so inhibits movement

Question 34

what are the roots of the brachial plexus

Answer 34

c5,6.7.8.t1

Question 35

what are the branches of the brachial plexus

Answer 35

musculocutaneous axillary median radial ulnar

Question 36

4 functions of the limbic system HOME

Answer 36

Homeostatic functions* Olfaction* Memory* Emotions and drives

Question 37

what is the hippocampus involved with in the limbic system

Answer 37

memory (recent and processing long term memories)

Question 38

what does the sagittal plane divide into

Answer 38

2 halves

Question 39

name 1 physiological change controlled by the sympathetic ns

Answer 39

inhibits salvation dilates pupils accelerates heart contricts blood vessels stimulates sweat production

Question 40

what is the physiological benefit of the circle of willis

Answer 40

if one artery/region of the brain becomes blocked, blood is still able to flow and innervate the brain

Question 41

name the neuroglia cells in CNS

Answer 41

astrocytes, ependymal cells, microglia, oligodendrocytes

Question 42

name the structures in the optic pathway

Answer 42

optic nerve optic chiasm tract lateral geniculate optic radiation visual cortex

Question 43

what do the meninges surround

Answer 43

brain and spinal cord

Question 44

where is the CSF produced and which space contains it

Answer 44

choroid plexus and subarachnoid

Question 45

which part of the brainstem has superior and inferior colliculi

Answer 45

mid brain

Question 46

name the first order neuron of the visual pathway

Answer 46

bipolar cells of the retina

Question 47

what are the 2 arteries that supply blood to the spinal cord

Answer 47

anterior and posterior spinal artery

Question 48

if i was having trouble hearing what lobe would you suggest is damaged

Answer 48

temporal

Question 49

which cells produce myelin in the PNS

Answer 49

shwann (charlottes fav)

Question 50

where does the spinal cord start

Answer 50

foramen magnum in the skull