BIOL 2402 LAB 21 EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026
Brainstem - Answers Lower portion of brain
Diencephalon - Answers Center portion of brain
Medulla oblongata - Answers Inferior portion attaches to spinal cord
Pons - Answers Middle portion anterior to cerebellum
Midbrain - Answers Superior portion of the brainstem
Cerebellar cortex - Answers Gray matter that makes up outer layer of cerebellum
Folia - Answers Folds of the cerebellum
Vermis - Answers Area where hemispheres connect in the cerebellum
Arbor vitae - Answers Tree shaped white matter inside of cerebellum
Thalamus - Answers Central portion of both sides of brain
Hypothalamus - Answers Area below thalamus
Epithalamus - Answers Posterior portion containing pineal gland
Longitudinal fissure - Answers Separates the hemispheres of the cerebrum
Gray matter - Answers Outer layer of cerebrum (cell bodies, dendrites, neuroglia)
White matter - Answers Myelinated axons in the brain
Association fibers - Answers Connect portions in the same hemisphere
Commissure fibers - Answers Connect hemispheres
Corpus callosum - Answers Largest connection between hemispheres
Projection fibers - Answers Connect brain to body
Frontal lobe - Answers Anterior portion of brain
Central sulcus - Answers Separates frontal lobe and parietal lobe
Precentral gyrus - Answers Posterior gyrus of frontal lobe, primary motor area
Postcentral gyrus - Answers Anterior gyrus of parietal lobe, primary somatosensory area
Wernicke's area - Answers Translates sounds to words
Alpha wave - Answers Active when awake and resting
Beta wave - Answers Active during mental activity
Theta wave - Answers Active during stressful activities
Delta wave - Answers Active during deep sleep
Meninges - Answers Protective layers around the brain
Dura mater - Answers Tough, outermost layer of meninges
Arachnoid - Answers Middle membrane that contains a network of collagen fibers
Pia mater - Answers Innermost layer of meninges
Choroid plexus - Answers Lines ventricles and produces CSF
Cerebral aqueduct - Answers Connects third ventricle to fourth ventricle
Superior sagittal sinus - Answers Located between hemispheres superior to corpus callosum
Arachnoid villa - Answers Extensions of arachnoid that absorb CSF
Brainstem - Answers Lower portion of brain
Diencephalon - Answers Center portion of brain
Medulla oblongata - Answers Inferior portion attaches to spinal cord
Pons - Answers Middle portion anterior to cerebellum
Midbrain - Answers Superior portion of the brainstem
Cerebellar cortex - Answers Gray matter that makes up outer layer of cerebellum
Folia - Answers Folds of the cerebellum
Vermis - Answers Area where hemispheres connect in the cerebellum
Arbor vitae - Answers Tree shaped white matter inside of cerebellum
Thalamus - Answers Central portion of both sides of brain
Hypothalamus - Answers Area below thalamus
Epithalamus - Answers Posterior portion containing pineal gland
Longitudinal fissure - Answers Separates the hemispheres of the cerebrum
Gray matter - Answers Outer layer of cerebrum (cell bodies, dendrites, neuroglia)
White matter - Answers Myelinated axons in the brain
Association fibers - Answers Connect portions in the same hemisphere
Commissure fibers - Answers Connect hemispheres
Corpus callosum - Answers Largest connection between hemispheres
Projection fibers - Answers Connect brain to body
Frontal lobe - Answers Anterior portion of brain
Central sulcus - Answers Separates frontal lobe and parietal lobe
Precentral gyrus - Answers Posterior gyrus of frontal lobe, primary motor area
Postcentral gyrus - Answers Anterior gyrus of parietal lobe, primary somatosensory area
Wernicke's area - Answers Translates sounds to words
Alpha wave - Answers Active when awake and resting
Beta wave - Answers Active during mental activity
Theta wave - Answers Active during stressful activities
Delta wave - Answers Active during deep sleep
Meninges - Answers Protective layers around the brain
Dura mater - Answers Tough, outermost layer of meninges
Arachnoid - Answers Middle membrane that contains a network of collagen fibers
Pia mater - Answers Innermost layer of meninges
Choroid plexus - Answers Lines ventricles and produces CSF
Cerebral aqueduct - Answers Connects third ventricle to fourth ventricle
Superior sagittal sinus - Answers Located between hemispheres superior to corpus callosum
Arachnoid villa - Answers Extensions of arachnoid that absorb CSF
