NEURO 1

Question 1

Brain components

Answer 1

Forebrain (telencephalon and diencephalon)
Brainstem (midbrain, pons, medulla)
Cerebellum

Question 2

CNS

Answer 2

Brain + spinal cord

Question 3

PNS

Answer 3

Cranial & spinal nerves

Question 4

Grey matter

Answer 4

Neurons and dendrites

Question 5

White matter

Answer 5

Myelinated axons

Question 6

Neuron types

Answer 6

1. Multipolar (majority)
2. Bipolar (rods and cones)
3. Pseudo-unipolar

Question 7

Neuroglia

Answer 7

1/2 of CNS, smaller, not excitable, divisible

Question 8

Astrocytes

Answer 8

Tight junction with capillaries to create blood brain barrier

Question 9

Oligodendrocytes

Answer 9

Myelinates axons in CNS

Question 10

Ependymal cells

Answer 10

Line brain ventricles and spinal cord central canal

Question 11

Microglia

Answer 11

Phagocytes

Question 12

Schwann cells

Answer 12

Myelinates axons in PNS

Question 13

Satellite cells

Answer 13

Surround cell bodies

Question 14

Meninges

Answer 14

Dura mater - arachnoid mater - pia matter

Question 15

Dura mater

Answer 15

Periosteal layer on top of meningeal layer
Contain falx cerebelli/cerebri and tentorium cerebelli
Contains sinuses which drain into jugular vein

Question 16

Arachnoid matter

Answer 16

CSF in subarachnoid space, reabsorbed at granualtions

Question 17

Pia matter

Answer 17

Attached to brain surface and spinal cord

Question 18

Ventricles

Answer 18

Formed from lumen of neural tube
Contain choroid plexus which creates cerebral spinal fluid

Question 19

Path of cerebral spinal fluid

Answer 19

Choroid plexus - subarachnoid space - lateral and medial aperture - subarachnoid space - granulations

Question 20

Lateral ventricles

Answer 20

Beneath cerebral cortex

Question 21

Anterior lateral ventricle

Answer 21

Frontal lobe

Question 22

Posterior lateral ventricle

Answer 22

Occipital lobe

Question 23

Inferior lateral ventricle

Answer 23

Temporal lobe

Question 24

Body of lateral ventricle

Answer 24

Parietal lobe

Question 25

Third ventricle

Answer 25

Along midline

Question 26

Fourth ventricle

Answer 26

Between brainstem and cerebellum

Question 27

Masa intermedia

Answer 27

Connects thalamus lobes

Question 28

Internal carotid

Answer 28

Anterior/rostal portion

Question 29

Anterior branch of internal carotid

Answer 29

Medial aspect of frontal and parietal lobes

Question 30

Middle branch of internal carotid

Answer 30

Lateral aspect of frontal, parietal and temporal lobes

Question 31

Vertebral carotid

Answer 31

Posterior/caudal portion

Question 32

Basilar/posterior branch of vertebral carotid

Answer 32

Medial and lateral aspect of occipital lobe Medial aspect of temporal lobe

Question 33

Brain veins

Answer 33

Drain into venous sinuses

Question 34

Falx cerebri

Answer 34

Drainage site for superior and inferior sinuses

Question 35

Tentorium cerebelli

Answer 35

Drainage site for transverse sinus

Question 36

Neuralation

Answer 36

Formation of nervous system

Question 37

Neural tube

Answer 37

Openings Cranial neuropore Caudal neuropore

Question 38

Ancephaly

Answer 38

Disorder of cranial neuropore

Question 39

Spina bifida

Answer 39

Disorder of caudal neuropore

Question 40

Layer formation

Answer 40

Deepest first

Question 41

Cranial portion

Answer 41

Grows first and fastest

Question 42

Caudal portion

Answer 42

Grows slower

Question 43

Pontine flexure

Answer 43

Makes head and spine go from parallel to perpendicular

Question 44

Ventricle formation

Answer 44

Grow from lumen