BIO 252 AP2 Exam 1 Study Guide Chamberlain University-Online UPDATED Study Guide QUESTIONS AND CORRECT ANSWERS -

BiO 252 exam 2 Chamberlain university
UPDATED Study Guide QUESTIONS
AND CORRECT ANSWERS
- Gyri - CORRECT ANSWERS Raised ridges/folds on the
brain surface.


Sulci - CORRECT ANSWERS Shallow grooves between gyri.


Fissures - CORRECT ANSWERS Deep grooves that separate
major brain regions.


Meninges - CORRECT ANSWERS Dura mater → Arachnoid
mater → Pia mater.


Reflex arc - CORRECT ANSWERS A rapid, automatic
response pathway from sensory neuron → spinal cord → motor
neuron.


Efferent neurons - CORRECT ANSWERS Exit the spinal cord
through the ventral (anterior) root.


Gray matter - CORRECT ANSWERS Neuron cell bodies and
dendrites.


White matter - CORRECT ANSWERS Myelinated axons.

, White matter columns - CORRECT ANSWERS Dorsal, lateral,
and ventral columns.


Ascending tracts - CORRECT ANSWERS Carry sensory
information to the brain.


Descending tracts - CORRECT ANSWERS Carry motor
commands from the brain.


Frontal lobe - CORRECT ANSWERS Motor control, planning,
speech, personality.


Parietal lobe - CORRECT ANSWERS Sensory processing and
body positioning.


Temporal lobe - CORRECT ANSWERS Hearing, memory,
emotion.


Occipital lobe - CORRECT ANSWERS Vision processing.


Midbrain - CORRECT ANSWERS Responsible for visual and
auditory reflexes; motor movement.


Cerebrum - CORRECT ANSWERS Responsible for conscious
thought, voluntary actions, learning.