click below
click below
Normal Size Small Size show me how
11 CRANIAL NERVES
CRANIAL NEVES
| Question | Answer |
|---|---|
| SPINAL CORD | IS A CONTINUATION OF BRAIN STEM. |
| LUMBAR PUNCTURE | A HOLLOW NEEDLE IS INSERTED INTO THE SUBARACHNOID SPACE, BETWEEN L3AND L4 |
| GREY MATTER | (CROSS SECTION OF THE SPINAL CORD)LOCATED IN THE CENTER AND SHAPED LIKE A BUTTERFLY. COMPOSED OF CELL BODIES, INTERNEURONS AND SYNAPSES. |
| CENTRAL CANAL | AN OPENING OR HOLE THAT EXTENDS THE ENTIRE LENGTH OF THE SPINAL CORD. |
| WHITE MATTER | COMPOSED OF MYELINATED AND UNMYELINATED AXONS |
| NEURAL AXONS GROUPED TOGETHER | SENSORY AND MOTOR NERVE TRACTS |
| SENSORY TRACTS THAT CARRY INFORMATION FROM THE PERIPHERY, UP THE SPINAL CORD, AND TOWARD THE BRAIN | ASCENDING TRACTS |
| THE SPINALTHALMIC TRACT | IS AN EXAMPLE OF AN ASCENDING TRACT |
| DECENDING TRACTS | MOTOR TRACTS CARRY INFORMATION FROM THE BRAIN TO THE PERIPHERY |
| THE MAJOR DECENDING TRACTS | PYRAMIDAL (CORTICOSPINAL TRACT) AND EXTRAPYRAMIDAL TRACTS |
| DECUSSATE | CROSS OVER |
| ATTACHED TO THE SPINAL CORD ARE THE | SPINAL NERVES |
| THE CELL BODIES OF THE SENSORY FIBERS ARE GATHERED TOGETHER IN THE | DORSAL ROOT GANGLIA |
| VENTRAL ROOT | IS COMPOSED OF MOTOR FIBERS |
| SPINAL NERVES CONTAIN BOTH SENSORY AND MOTOR FIBERS, ALL SPINAL NERVES ARE? | MIXED NERVES |
| THE SPINAL CORD SERVES THREE MAJOR FUNCTIONS... | SENSORY PATHWAY, MOTOR PATHWAY, AND REFLEX CENTER |
| SENSORY PATHWAY | THE SPINAL CORD PROVIDES A PATHWAY FOR SENSORY INFORMATIONTAVELING FROM THE PERIPHERY TO THE BRAIN. EX FINGER PRICK- FINGER-ASCENDS SPINAL CORD TO THE BRAIN |
| A REFLEX IS? | AN INVOLUNTARY RESPOSE TO A STIMULUS. |
| PATELLAR TENDON OR KNEE JERK REFLEX | QUADRICEPS LIGAMENT BELOW YOUR KNEE CAP. HELPS MAINTAIN AN UPRIGHT POSITION. |
| WITHDRAWAL REFLEX | HELPS PROTECT YOU FROM INJURY EX. QUICKLY MOVES YOUR FINGER AWAY FROM A HOT IRON |
| PUPILLARY REFLEX | REGULATES THE AMOUNT OF LIGHT THAT ENTERS THE EYE |
| BARORECEPTOR REFLEX | HEART AND BLOOD VESSELS RESPONED TO REGULATE BLOOD PRESSURE TO NORMAL |
| BABINSKI REFLEX | STROKING LATERAL SOLE, HEAL TO TOE RESULTING IN PLANTAR FLEXION. |