Details Title: Chapter 9 Description: Physics Chapter 9 Total Flash Cards: 80 Created: 06/28/2009 18:45:31		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Physics Flashcards
Cards in this set: Term What is the name of a ridge or hill of the cerebral cortex? Definition Convolutions Term What is the most advanced area of the brain? Definition Cerebral Cortex Term What is the main function of the cerebral cortex? Definition Carries out highest level of neural processing. Term List the four lobes. Definition Frontal, Parietal, Occipital, and Temporal. Term Which groove separates the frontal and parietal lobes? Definition Central Sulcus Term Which groove separates the temporal lobe from all other lobes? Definition Lateral Sulcus Term Which half of the brain receives sensory information from the left to the right? Definition Left Term Which half of the brain sends motor information to the left side of the body? Definition Right Term Generally, which half of the brain specialization is creativity and spatial perception? Definition Right. Term Generally, which half of the brain specializes in logic, analytical abilities, and language? Definition Left Term The function of the basal nuclei. Definition Inhibits unwanted movements, selecting purposeful movement, and postural support. Term What are the two components of the diencephalon? Definition Thalamus and Hypothalamus Term What is the function of the thalamus? Definition Sensory and motor info. Term What is the function of the hypothalamus? Definition Food intake. Term What does the pinal gland secrete and what is its secretions function? Definition Melatonin; daily rythm Term What is the most primitive area of the brain? Definition Limbic System Term Which sensory system is associated which limback system? Definition Olfactory System Term What are the functions of the limbic system? Definition Basic drives Term Which glial cell stimulates the creation of these special capillaries? Definition Endothelial Cells Term How can substances cross the BBB? Definition Gas/hydrophobic molecules penetrate through Term What molecules penetrate through endothelial cells? Definition Hydrophobic gases Term What mater is myelinated? Definition Whte Term What mater is unmyelinated? Definition Gray Term What parts of the neuron are located in the white mater? Definition Cell bodies, dendrites, axon terminals. Term What fibers connect cerebral cortex with lower levels of brain/spinal cord? Definition Projection Term What fibers connect two areas of the cerebral cortex on the same side of the brain? Definition Corpus Callosum Term What is the corpus callosum? Definition Cerebral Hemisphere Term How many pairs of spinal nerves do we have? Definition 31 Term How many pairs of spinal nerves in each section of spinal cord? Definition Cervical - 8, Thoractic - 12, Lumber - 5, Sacral - 5, Coccygeal - 1 Term At which level does the adult spinal cord end? Definition 2/3 Term What is the bottom 1/3 of the vertebral column called? Definition Cauda Equina Term Where would you administer drugs? Definition Vertebral Column Term What are the sensory regions of the skin served by a particular spinal nerve called? Definition Dermatomes Term What shape is the gray mater in the spinal cord? Definition Butterfly Term What are the names of the posterior half and the anterior half of the gray mater? Definition Dorsal and Ventral Term Which horn of the gray mater is responsible for motor functions? Definition Ventral Term What horn is responsible for sensory function? Definition Dorsal Term What selection of the spinal cord contains a lateral horn? Definition Thoracic (in the Upper Lumber) Term What types of axon are in spinal nerves? Definition Efferent/Afferent Term What roots are bundles of nerves containing AFFERENT axons? Definition Dorsal Term What roots are bundles of nerves containing EFFERENT axons? Definition Ventral Term Identify the three portions of the brain. Definition Forebrain, Cerebellum, and Brainstem Term Two components of the forebrain? Definition Right and left Term Two components of the diencephalon? Definition Thalamus and Hypothalamus Term What part of the brain provides feedback to motor systems to ensure smooth movements of the eyes and body AND functions in coordination and balance? Definition Cerebellum Term Three regions of the brainstem? Definition Midbrain, Pons, and Medulla Oblongata Term What does the Reticular Formation do? Definition Sleep cycles Term What functions necessary for life does the brainstem regulate? Definition Involuntary Functions Term Name the valley or groove in the Cerebral Cortex? Definition Sulci Term Two layers of the dural meninge. Definition Cranial and Spinal Term Pathway to CSF Definition 1. Lateral Ventricles 2. Foremen of Monroe 3. Cerebral Aqueduct 4. Central canal of spinal cord 5. Back in subarachnoid space 6. Arachoid Villi Term Difference between Oligo and Schwann cells. Definition Oligo is multiple axons; Schwann is a portion of an axon Term What type of glial cell is located in the PNS? Definition Schwann Term Which glial cell is phagocytic? Definition Microglia Term Functions of Astrocytes. Definition - Guide neurons to destination - Remove neurotransmitters - Maintain electrolyte comp. - Form Blood-Brain Barrier - Provide support Term T/F CSF is identical to plasma Definition False Term How many times does CSF normally recycle itself in a day? Definition 3 Term What are the two components of the CNS? Definition Brain and Spinal cord Term Clear, watery fluid that bathes the CNS. Definition CSF (Flows in central nervous system) Term The space between the two inner layers of the dural meninge called? Definition Subarachnoid Space Term Three meninges from bone to brain. Definition Dura mater, Arachnoid mater, and Pia mater Term What area of the bone protects the spinal cord? Definition Vertebrae Term Bony protection surrounding the brain. Definition Cranium Term What is the most diverse glial cell? Definition Astro Term Which glial cell is responsible for producing CSF? Definition Ependymal Term What is the most abundent in the CNS? Definition Glial cells Term What are the physical supports of the CNS? Definition Bones and meninges Term What structure reabsorbs CSF? Definition 15% Term What is the most common glial cell? Definition Oligo Term What is special about the capillaries of the BBB? Definition Physical barrier that restricts movement Term Name three places the CSF circulates? Definition Subarachnoid; brain; spinal cord Term What percent of glucose is consumed by the brain at rest? Definition 50% Term What percent of oxygen is consumed by the brain at rest? Definition 20% Term Why does the CNS depend on a constant blood supply for energy? Definition Metabolic rate Term Sudden decrease or stoppage of blood flow to part of the brain? Definition Stroke Term Which cells secrete CSF and where are they located? Definition Ependymal cells from ventricles Term Two classifications of CVA's Definition -Occlusive - Hemorrhagic Term How much time does it take for most brain cells to die with loss of blood flow? Definition 3 to 4 minutes Term Can brain cells regenerate? Definition No Term What is the function of the blood brain barrier? Definition Protects CNS from harmful substances in blood