Exam Questions and CORRECT Answers
Name the 4 brain divisions - CORRECT ANSWER -Cerebrum, brainstem, diencephalon,
cerebellum
Name the ventricles of the brain - CORRECT ANSWER -2 lateral ventricles, third
ventricle, fourth ventricle
What are brain ventricles - CORRECT ANSWER -Protective cavity of brain filled with
CSF
Name the 3 meningeal layers of the brain - CORRECT ANSWER -dura mater, arachnoid
mater, pia mater
What is the dura mater and subdural space?- in brain - CORRECT ANSWER -Dura:
outermost layer, double later
Subdural: space below dura
What is the arachnoid meninx and subarachnoid space?- in brain - CORRECT ANSWER -
arachnoid: loose layer of connective tissue below the dura
subarachnoid: space below arachnoid, contains blood vessels and CSF
What is the pia mater?- in brain - CORRECT ANSWER -Thin connective tissue attached
to brain, below the arachnoid
What is the choroid plexus? - CORRECT ANSWER -Network of blood vessels in
ventricles of the brain
,List functions of CSF - CORRECT ANSWER -Protects chemical enviro, allows brain to
float, cushions brain and spinal cord
What is the blood brain barrier? - CORRECT ANSWER --protective mechanism that helps
maintain a stable environment for the brain
-Formed from astrocytes surrounding brain capillaries
What does the frontal lobe control? - CORRECT ANSWER --higher level executive
functions: reasoning and decision making.
-controls motor functions
What does the parietal lobe control? - CORRECT ANSWER -receives sensory input for
touch & taste
What does the occipital lobe control? - CORRECT ANSWER -processing visual
information
What does the temporal lobe control? - CORRECT ANSWER -hearing and smelling
What is the difference between a primary area and an association area in the brain? - CORRECT
ANSWER --Primary areas in each lobe receive information for one type of sensory
information
-Association areas act mainly to integrate more than one type of sensory information for
purposeful action.
What does the primary motor cortex do? and where is it located? - CORRECT ANSWER -
-controls voluntary motor activity in the hwole body
-Located in Frontal lobe
-Also called precentral gyrus and somatomotor cortex
, What does the primary sensory cortex do? and where is it located? - CORRECT
ANSWER --receives sensory information from the whole body
-Located in parietal lobe
-also called postcentral gyrus and somatosensory cortex
What does Broca's area do? and where is it located? - CORRECT ANSWER --Responsible
for speech production
-Located in frontal lobe
What does Wernicke's area do? and where is ti located? - CORRECT ANSWER --
language comprehension
- Located in the temporal lobe
List the parts of the brain stem - CORRECT ANSWER -midbrain, pons, medulla
oblongata
What does the medulla oblongata do? - CORRECT ANSWER --regulates heart rate,
breathing, vasoconstriction
-contains reflex centers for vomiting, coughing, sneezing, hiccuping, swallowing
Describe the medulla oblongata - CORRECT ANSWER --Anterior to the cerebellum
- between the spinal cord and pons
- has tracts that ascend and descend btwn the spinal cord and brain
What does the pons do? - CORRECT ANSWER --regulates breathing
-reflex centers concerned with head movement in responds to visual and auditory stimuli
Describe the pons - CORRECT ANSWER --between medulla and midbrain
-contains bundles of axons traveling btwn cerebellum and the rest of CNS