Examl 4:l BIOl 201/l BIO201l (Latestl 2025/l
2026l Update)l Humanl Anatomyl andl Physiologyl Il Guide|l Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solutions)-l GCU
Q:l Broca'sl Areal (language)
Answer:
necessaryl forl motorl productionl ofl speechl (gettingl mouthl tol work)
Q:l Wernicke'sl Areal (language)
Answer:
necessaryl forl languagel comprehensionl (choosingl correctl words)
Q:l Reticularl Activatingl Systeml (RAS)
Answer:
-Setsl levell ofl arousall ofl cerebrall cortexl tol incomingl sensoryl info -Activityl ofl RASl promotesl wakefulness -Inhibitionl ofl RASl promotesl sleep -Includesl regionsl ofl medulla,l pons,l midbrain,l thalamus,l hypothalamus
Q:l Cerebellum
Answer:
-Providesl precisel timingl &l patterningl ofl skeletall musclel contraction -Recognizesl &l predictsl thel sequencel ofl eventsl duringl complexl movementsl (slammingl al dunk) -Playsl rolel inl nonmotorl f(x)sl likel wordl associationl &l puzzlel solving
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Q:l Medullal Oblongata
Answer:
-Autonomicl reflexl centersl forl vomiting,l hiccupping,l swallowing,l coughing,l sneezing -Includesl respiratoryl andl cardiovascularl centers
Q:l Pons
Answer:
-Maintainsl Breathingl -Containsl severall nucleil ofl craniall nerves ol Fibersl connectl higherl brainl centersl withl spinall cord
-Nucleil helpl maintainl breathing:
//Apneusticl breathingl center:l promotesl inspiration
//l Pneumotaxicl breathingl center:l inhibitsl inspirationl &l decreasesl tidal
Q:l Brainstem
Answer:
-Controlsl autonomicl behaviorsl necessaryl forl survival -Includesl 10/12l craniall nerves -Composedl ofl threel regions
Q:l Threel regionsl ofl Brainl Stem
Answer:
Midbrain,l Pons,l Medullal Oblongata
Q:l Midbrain
Answer:
Includes:
-superiorl colliculil -inferiorl colliculi -nigrostriatall tract -mesolimbicl tract 2 / 3
Q:l superiorl colliculil (fx)
Answer:
vision
Q:l inferiorl colliculil (fx)
Answer:
auditory
Q:l nigrostriatall tractl (fx)
Answer:
redl nucleusl &l substantial nigral involvedl withl motorl coordination;l dopaminergicl neuronsl inl substantial nigral degeneratel withl parkinsons
Q:l mesolimbicl tractl (fx)
Answer:
dopaminel neuronsl involvedl withl reward/addiction
Q:l Diencephalon: Composedl ofl threel left/rightl bilaterallyl symmetricall structures
Answer:
Epithalamus,l Thalamus,l Hypothalamus
Q:l Epithalamus
Answer:
-Formsl roofl ofl 3rdl ventricle
-Includes:
//Pineall Gland:l producesl melatonin;l regulatesl sleep-wakel cycle
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