BIOD 152: Module 2 Questions & 100%
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Name the 4 brain divisions
✓ -:- Cerebrum, brainstem, diencephalon, cerebellum
Name the ventricles of the brain
✓ -:- 2 lateral ventricles, third ventricle, fourth ventricle
What are brain ventricles
✓ -:- Protective cavity of brain filled with CSF
Name the 3 meningeal layers of the brain
✓ -:- dura mater, arachnoid mater, pia mater
What is the dura mater and subdural space?- in brain
✓ -:- Dura: outermost layer, double later
Subdural: space below dura
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What is the arachnoid meninx and subarachnoid space?- in brain
✓ -:- 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
✓ -:- Thin connective tissue attached to brain, below the arachnoid
What is the choroid plexus?
✓ -:- Network of blood vessels in ventricles of the brain
List functions of CSF
✓ -:- Protects chemical enviro, allows brain to float, cushions brain and spinal cord
What is the blood brain barrier?
✓ -:- -protective mechanism that helps maintain a stable environment for the brain
-Formed from astrocytes surrounding brain capillaries
What does the frontal lobe control?
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✓ -:- -higher level executive functions: reasoning and decision making.
-controls motor functions
What does the parietal lobe control?
✓ -:- receives sensory input for touch & taste
What does the occipital lobe control?
✓ -:- processing visual information
What does the temporal lobe control?
✓ -:- hearing and smelling
What is the difference between a primary area and an association area in the brain?
✓ -:- -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?
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