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CHAPTER 10

NERVOUS SYSTEM

QuestionAnswer
WHAT IS A NEURON NERVOUS SYSTEM CELLS THAT CONDUCT IMPULSES -NERVE CELL
WHAT PART OF THE BRAIN JOINS FORCES WITH THE CEREBRAL CORTEX TO MONITOR BODY MOVEMENT AND SEND MESSAGES CRUCIAL FOR BALANCE CORDIATION AND POSTURE THE CEREBELLUM
WHAT IS SYNAPTIC KNOB VESSICLES CONTAINING NEUROTRANSMITTERS
THE CNS CONSISTS OF? BRAIN AND SPINAL CORD
WHAT IS A SOMA THE CONTROL CENTER OF THE NEURON AND CONTAINS THE NUCLEUS
A NERVE CELL IN WHICH PHASE CANNOT RESPOND TO A NEW STIMULI REFRACTORY PERIOD
WHAT IS THE MYLIN SHEETH INSULATES THE AXON CONSISTING OF LIPIDS
WHAT IS THE FUNCTION OF THE FRONTAL LOBE GOVERNS VOLUNTARY MOVEMENTS-MEMORY,EMOTION,,SOCIAL JUDGMENT,DECISION MAKING-REASONING-AGGRESSION-ASSPECT OF ONES PERSONALITY
WHAT IS THE FUNCTION OF THE PARIETAL LOBE RECIEVES AND INTERPRETS BODY SENSATIONS-TOUCH,TEMPERATURE,PRESSURE,PAIN, AWARENESS OF ONES BODY AND BODY PARTS IN SPACE AND RELATION TO EACHOTHER
WHAT IS THE FUNCTION OF THE TEMPORAL LOBE GOVERNS HEARING, SMELL,LEARNING MEMORY,EMOTIONAL BEHAVIOR AND VISUAL RECOGNIZATON
WHAT IS THE FUNCTION OF THE OCCIPITAL LOBE ANALYSING AND INTERPRETING VISUAL INFORMATION
WHAT IS NODES OF RANVIER GAPS IN THE MYELIN SHEATH
WHAT DOES THE SENSORY (AFFERENT) DIVISION DO IN THE PERIPHERAL NERVOUS SYSTEM CARRIES SIGNALS FROM NERVE ENDINGS TO THE CNS
WHAT DOES THE MOTOR (EFFERENT)DIVISON DO IN THE PERIPHERAL NERVOUS SYSTEM TRANSMITS INFORMATION FROM CNS TO REST OF BODY
WHAT ARE NEUROGLIA CELLS SUPPORTIVE CELLS OF THE NERVOUS SYSTEM ( GLIA MEANING GLUE WHICH BIND NEURONS TOGETHER
WHAT IS THE FUNCTION OF ASTROCYTES FORMS (BBB) BLOOD BRAIN BARRIER ATTACH TO NEURONS TO BLOOD VESSELS FOR STRUCTURAL SUPPORT
WHAT DO THE SENSORY(AFFERENT)NEURONS DO DECTECT STIMULI SUCH AS TOUCH, PRESSURE, HEAT, COLD OR CHEMICALS AND THEN TRANSMIT INFORMATION ABOUT THE STIMULI TO THE CNS
WHAT DO THE MOTOR (EFFERENT)NEURONS DO RELAY MESSAGES FROM THE BRAIN WHICH EMITS IN RESPONSE TO STIMULI TO THE MUCSLE OR GLAND CELLS
WHAT IS THE FUNCTION OF A DENDRITE RECIEVE SIGNALS FROM OTHER NEURONS AND CONDUCT THE INFORMATION TO THE CELL BODY. SOME HAVE ONE SOME HAVE THOUSANDS
WHAT IS THE CONTROL CENTER OF THE NEURON THAT CONTAINS THE NUCLEUS CALLED SOMA ( CELL BODY)
WHAT DOES THE MYELIN SHEATH DO INSULATES THE AXON
WHAT DOES THE SYNAPTIC KNOB DO WITHIN THE SYNAPTIC KNOB ARE VESSICLES WHICH SECRETE NEUROTRANSMITTERS
WHAT IS THE REFRACTORY PERIOD MEMBRANE IS POLARIZED BUT NA+ AND K+ ARE ON WRONG SIDES OF MEMBRANE
WHAT HAPPENS WHEN ACTION POTENTIAL REACHES A SYNAPTIC KNOB THE MEMBRANE DEPOLARIZES AND CAUSES ION CHANNELS TO OPEN,WHICH ALLOWS CALCIUM IONS TO ENTER THE CELL
WHERE DO NERVES FROM THE CERVICAL REGION OF SPINAL CORD INNERVATE THE CHEST,HEAD,NECK,SHOULDERS,ARMS,HANDS AND DIAPHRAGM
WHY IS THE GRAY MATTER CALLED GRAY? CONTAINS MOSTLY THE CELL BODIES OF MOTOR NEURONS AND INTERNEURONS ARE GRAY BECAUSE OF A LACK OF MYELIN
WHY IS THE WHITE MATTER WHITE? BECAUSE IT CONTAINS BUNDLES OF AXONS CALLED TRACTS THAT CARRY IMPULSES FROM ON PART OF THE NERVOUS SYSTEM TO ANOTHER THEY HAV E AN ABUNDANCE OF MYELIN WHICH MAKES IT WHITE
WHAT NERVE STIMULATES THE DIAPHRAGM FOR BREATHING PHRENIC NERVE LOCATED C1 THROUGH C4
WHAT ARE SOMATIC NERVES REFLEXES ARE QUICK INVOLUNTARY PREDICTABLE RESPONSE THE STIMULUS-REFLEXES EMPLY A NEURAL CIRCUIT CALLED A RELEX ARC WHICH BYPASSES REGIONS OF THE BRAIN WHERE CONSCIOUS DECISIONS ARE MADE
WHAT THREE STRUCTURES MAKES UP THE BRAIN STEM MID BRAIN-PONS-MEDULLA OBLONGATA
WHAT ARE THE FUNCTIONS OF THE CEREBELLUM BALANCE COORDINATION AND POSTURE-PERFORM SMOOTH,EFFICIENT AND COORDINATED MOVEMENTS-EVALUATES SENSORY INPUT SUCH AS TOUCH, SPATIAL PERCEPTION AND SOUND
THE AXONS OF MANY BUT NOT ALL NEURONS ARE INCASED IN A MYELIN SHEATH
WHAT PART OF THE BRAIN STORES INFORMATION NECESSARY FOR MUSCLE GROUPS TO WORK TOGETHER TO PERFORM SMOOTH, EFFICIENT AND COORDINATED MOVEMENTS THE CEREBELLUM
Created by: nailsmary