PNB 2274 EXAM 3 QUESTIONS AND ANSWERS
bones, meninges, cerebrospinal fluid - CORRECT ANSWER- 3 layers of protection for
the brain
dura mater, arachnoid, pia mater - CORRECT ANSWER- 3 layers of meninges
dura mater - CORRECT ANSWER- tough outer layer of the meninges
arachnoid - CORRECT ANSWER- middle layer of the meninges
pia mater - CORRECT ANSWER- delicate inner layer of the meninges
internal carotid artery, vertebral artery - CORRECT ANSWER- supply brain with blood
basilar, posterior cerebral - CORRECT ANSWER- 2 parts of vertebral artery
anterior cerebral, middle cerebral - CORRECT ANSWER- 2 parts of internal carotid
artery
circle of willis - CORRECT ANSWER- anastomosis between carotid and vertebral
arteries
anastomosis - CORRECT ANSWER- connection between two vessels
endothelial cells, basal lamina, astrocyte foot processes - CORRECT ANSWER- 3
components of the blood-brain barrier (BBB)
regulates composition and volume of brain interstitial fluid - CORRECT ANSWER- main
function of blood-brain barrier (BBB)
capillary, neurons, glial cells, endothelial cells, pericytes - CORRECT ANSWER- 5
components of a neurovascular unit
contractile, produce angiogens - CORRECT ANSWER- pericyte function
blood vessel, infection, neurological, age-related - CORRECT ANSWER- 4 types of
CNS pathologies BBB can be involved in
, extracellular volume increases, noradrenaline increases cell size when awake, glial cells
change size to control flow - CORRECT ANSWER- 3 ways sleep changes brain
physiology
gyrus - CORRECT ANSWER- ridge winding around the brain
fissure - CORRECT ANSWER- deep groove dividing regions of the brain
sulcus - CORRECT ANSWER- small groove dividing gyri
longitudinal fissure - CORRECT ANSWER- separates left and right hemispheres
transverse fissure - CORRECT ANSWER- separates cerebrum and cerebellum
lateral fissure (sylvian fissure) - CORRECT ANSWER- separates temporal lobe from
frontal and parietal lobes
central sulcus - CORRECT ANSWER- separates frontal and parietal lobes
commisural, projection, association - CORRECT ANSWER- types of white matter fibers
cerebral cortex, basal ganglia - CORRECT ANSWER- types of gray matter
nerve fibers, myelin sheaths - CORRECT ANSWER- composition of white matter
cell bodies, dendrites - CORRECT ANSWER- composition of gray matter
commissural fibers - CORRECT ANSWER- connect cerebral hemispheres
location of commissural fibers - CORRECT ANSWER- corpus callosum
projection fibers - CORRECT ANSWER- connect brain with spinal cord
location of projection fibers - CORRECT ANSWER- internal capsule
association fibers - CORRECT ANSWER- connect different parts of the same
hemisphere
2 locations of association fibers - CORRECT ANSWER- arcuate fasciculus, fornix
bones, meninges, cerebrospinal fluid - CORRECT ANSWER- 3 layers of protection for
the brain
dura mater, arachnoid, pia mater - CORRECT ANSWER- 3 layers of meninges
dura mater - CORRECT ANSWER- tough outer layer of the meninges
arachnoid - CORRECT ANSWER- middle layer of the meninges
pia mater - CORRECT ANSWER- delicate inner layer of the meninges
internal carotid artery, vertebral artery - CORRECT ANSWER- supply brain with blood
basilar, posterior cerebral - CORRECT ANSWER- 2 parts of vertebral artery
anterior cerebral, middle cerebral - CORRECT ANSWER- 2 parts of internal carotid
artery
circle of willis - CORRECT ANSWER- anastomosis between carotid and vertebral
arteries
anastomosis - CORRECT ANSWER- connection between two vessels
endothelial cells, basal lamina, astrocyte foot processes - CORRECT ANSWER- 3
components of the blood-brain barrier (BBB)
regulates composition and volume of brain interstitial fluid - CORRECT ANSWER- main
function of blood-brain barrier (BBB)
capillary, neurons, glial cells, endothelial cells, pericytes - CORRECT ANSWER- 5
components of a neurovascular unit
contractile, produce angiogens - CORRECT ANSWER- pericyte function
blood vessel, infection, neurological, age-related - CORRECT ANSWER- 4 types of
CNS pathologies BBB can be involved in
, extracellular volume increases, noradrenaline increases cell size when awake, glial cells
change size to control flow - CORRECT ANSWER- 3 ways sleep changes brain
physiology
gyrus - CORRECT ANSWER- ridge winding around the brain
fissure - CORRECT ANSWER- deep groove dividing regions of the brain
sulcus - CORRECT ANSWER- small groove dividing gyri
longitudinal fissure - CORRECT ANSWER- separates left and right hemispheres
transverse fissure - CORRECT ANSWER- separates cerebrum and cerebellum
lateral fissure (sylvian fissure) - CORRECT ANSWER- separates temporal lobe from
frontal and parietal lobes
central sulcus - CORRECT ANSWER- separates frontal and parietal lobes
commisural, projection, association - CORRECT ANSWER- types of white matter fibers
cerebral cortex, basal ganglia - CORRECT ANSWER- types of gray matter
nerve fibers, myelin sheaths - CORRECT ANSWER- composition of white matter
cell bodies, dendrites - CORRECT ANSWER- composition of gray matter
commissural fibers - CORRECT ANSWER- connect cerebral hemispheres
location of commissural fibers - CORRECT ANSWER- corpus callosum
projection fibers - CORRECT ANSWER- connect brain with spinal cord
location of projection fibers - CORRECT ANSWER- internal capsule
association fibers - CORRECT ANSWER- connect different parts of the same
hemisphere
2 locations of association fibers - CORRECT ANSWER- arcuate fasciculus, fornix
