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med term chapter 9
medical terminology chapter 9
Question | Answer |
---|---|
IN WHAT STRUCTURE OF THE BRAIN DO THE NERVSES CROSS | THE PONS |
SENSORY NEURONS | SENSE INTERNAL & EXTERAL ENVIRONMENTAL INFLUENCES & CARRIES THE MESSAGE TO THE BRAIN. |
MOTOR NEURONS | CARRIE RESPONSES BACK TO THE PART OF THE BODY THAT HAS TO REACT. |
THREE MEMBRAINS THAT SERVE AS PROTECTIVE COVERINGS OF THE BRAIN AND SPINAL CORD. | DURA MATER; ARACHNOID MATER; PIA MATER |
DURA MATER | TOUGH AND THICK OUTERMOST MEMBRANE OF THE BRAIN AND SPINAL CORD. |
ARACHNOID MATER | THE MIDDLE PROTECTIVE MEMBRANE |
PIA MATER | THE INNER PROTECTIVE MEMBRANES |
DIFFERENTIATE BETWEEN THE SENSORY & MOTOR NEURONS. | SENSORY -SENSES AND CARRIES THE MESSAGE TO THE BRAIN AND THE MOTOR CARRIES RESPONSES BACK TO THE PART OF THE BODY THAT NEEDS TO REACT. |
NAME THE NAME & NUMBER OF THE SPINAL NERVES IN ORDER FROM SUPERIOR TO INFERIOR. | 1. 8 PAIR OF CERVICAL;12 PAIR OF THORACIC;5 PAIR OF LUMBAR; 5 PAIR OF SACRAL;1 COCCYGEAL |
THE CEREBRUM SORROUNDS THE __________________ | CEREBRAL CORTEX |
CELL BODY | THE PART OF A NEURON CONTAINING ORGANELLES |
AXON | THE PART OF A NEURON THAT TRANSMITS IMPULSES; SOME HAVE A FATTY MYELIN SHEATH. |
DENDRITES | THE PART OF A NEURON THAT LOOKS LIKE BRANCHES OF A TREE; RESPONSIBLE FOR RECEIVING INFORMATION FROM THE INTERNAL & EXTERNAL ENVIRONMENTS & TRANSMITTING IT TO THE CELL BODY. |
MYELIN SHEATH | MYELINATED AXONS |
CEREBRAL CORTEX | GRAY MATER COVERING THE CEREBRUM |
NEUROGLIA | PROTECTS THE NERVOUS SYSTEM; THEY ENGULF UNWANTED SUBTANCES |
LONGITUDINAL FISSURE | DIVIDES THE CEREBRUM INTO RIGHT & LEFT HEMISPHERES |
THALAMUS | ACTS AS A RELAY STATION FOR INCOMING SENSORY STIMULI |
NEUROGLIA | PROVIDE PROTECTION & NUTRIENTS BY ATTACHING BLOOD VESSELS TO NEURONS. |
HYPOTHALAMAS | MAINTAINS HOMEOSTATASIS OF APPETIE, THRIST,AND TEMPERATURE |
NERVE PAIN | NEURALGIA |
A SPECIALIST IN THE STUDY OF THE NERVOUS SYSTEM AND IT'S DISEASES | NEURALOGIST |
NERVE DESTRUCTION | NEUROLYSIS |
INFLAMMATION OF MANY NERVES | POLYNEURITIS |
RECORD OF THE ELECTRICAL ACTIVITY OF THE BRAIN | ELECTROENCEPHALOGRAM |
HERNIA OF THE MEANINGES | MENINGOCELE |
HERNIA OF THE SPINAL CORD AND MENINGES | MYELOMENINGOCELE |
LOSS OF SENSATION | ANESTHESIA |
DECREASED SENSATION | HYPOESTHESIA |
INCREASED SENSATION | HYPERESTHESIA |
IRRITATING SENSATION IN RESPONSE TO NORMAL STIMULI | DYESESTHESIA |
ABNORMAL SENSATION SUCH AS NUMBNESS AND TINGLING | PARESTHESIA |
PARALYSIS OF LIKE EXTREMITIES ON BOTH SIDES OF THE BODY | DIPLEGIA |
PARALYSIS OF ONE EXTREMITY | MONOPLEGIA |
PARALYSIS OF THE RIGHT HALF OR THE LEFT HALF OF THE BODY | HEMIPLEGIA |
PARAPLEGIA | PARALYSIS OF THE LOWER PART OF THE BODY AND LEGS |
PARALYSIS OF ALL FOUR LIMBS | QUADRIPLEGIA |
ENCEPHALITIS | INFLAMMATION OF THE BRAIN |
SOFTENING OF THE BRAIN | ENCEPHALOMALACIA |
ANY DISEASE OF THE BRAIN | ENCEPHALOPATHY |
CEREBELLUM | UNDER THE OCCIPITAL LOBE;PROTRUDES DORSALLY;IMPORTANT IN MAINTAINING BALANCE,MUSCLE COORDINATION & EQUILIBRIUM. |
GYRI (JIGH-rye) OR CONVOLUTIONS | ON THE SURFACE OF THE CEREBRUM HAS THE APPEARENCE OF LITTLE GRAY BULGES THAT LOOK LIKE SAUSAGES. |
FISSURES | DEEP GROVES |
SULCI (SUL-sigh) | SHALLOW GROVES |
THE LOBES ARE DIVIDED BY | FISSURES |
LOBES ARE NAMED AFTER | BONES OF THE SKULL |
THE 4 LOBES OF THE CEREBRUM ARE | FRONTAL;PARIETAL;TEMPORAL; AND OCCIPITAL |
THE BRAIN CONSISTS OF : | 1. CEREBRUM 2. THALAMUS 3. HYPOTHALAMUS 4. BRAIN STEM 5. CEREBELLUM |
CEREBRUM | LARGEST PART OF THE BRAIN; COVERED BY THE CEREBRAL CORTEX, WHICH IS DIVIDED INTO RIGHT AND LEFT HEMISPHERES BY THE LONGITUDINAL FISSURES BUT JOINED BY THE CORPUS CALLOSUM |
THALAMUS | A RELAY STATION FOR SENSORY & MOTOR IMPULSES |
HYPOTHALAMUS | HELPS REGULATE APPETITE,THIRST,EMOTIONS,& BASIC BEHAVIOR PATTERNS |
BRAIN STEM | MIDBRAIN, PONS, MEDULLA OBLONGATA; INVOLVED WITH VISUAL & AUDITORY REFLEXES, RESPIRATION, HEART RATE, BLOOD PRESSURE & AROUSAL |
CEREBELLUM | INVOLVED WITH MAINTAINIING BALANCE,MUSCLE COORDINATION & EQUILIBRIUM |
THE CEREBRUM IS COVERED BY THE | CEREBRAL CORTEX |
THE CEREBRUM ISA DIVIDED INTO RIGHT & LEFT HEMISPHERES BY THE | LONGITUDINAL FISSURES |
WHAT JOINS THE LEFT AND RIGHT HEMISPHERES OF THE CEREBRUM | THE CORPUS CALLOSUM |
THE SPINAL CORD STARTS AT THE | MEDULLA OBLONGATA |
THE SPINAL CORD ENDS AT THE | CONUS MEDULLARIS |
CAUDA EQUINA (KAW-daH ee-KWI-nah) | LOOKS LIKE A HORSE'S TAIL; |
THE CNS IS PROTECTED BY 4 THINGS: | BONE;MENINGES,CSF,AND BBB. |
IN THE PNS THERE ARE | 12 PAIRS OF CRANIAL NERVES & 31 PAIR OF SPINAL NERVES |
THE NERVOUS SYSTEM HAS THREE FUNCTIONS | 1. SENSORY 2. INTEGRATIVE 3. MOTOR |
THE CNS CONSIST OF | SPINAL CORD & BRAIN |
THE PNS CONISTS OF THE | SENSORY AND MOTOR NERVES |
NEURONS ARE THE CELLS THAT MAKE UP | NERVES |
SYNAPSE (SIN-apps) | A JUNCTION AREA BETWEEN THE NEURON AND ANOTHER NEURON OR MUSCLE |
NEUROTRANSMITTER (NEW-ROH-TRANS-MIT-ER) | A CHEMICAL RELEASED FROM A LITTLE SAC AT THE END OF THE NERVE. |
THE NEUROTRANSMITTER TRAVELS ACROSS THE SYNAPSE AND ACTS ON THE MUSCLE, CAUSING IT TO GENERATE IT'S OWN ELECTRICAL IMPULSE THAT PRODUCES: | MUSCLE MOVEMENT |