Splh 620 exam 3 questions - Study guides, Class notes & Summaries

Motor control structures - Answer cerebrum, brainstem, spinal cord, cerebellum, thalamus, basal ganglia, motor nerves/neurons, muscle fibers Motor control overview - Answer Begins with CNS, ends with muscles, CNS contains two types of neurons (upper motor neurons [cerebrum], lower motor neruons [brainstem, spinal cord]), can perform complex voluntary behavior and reflexes Spinal motor pathway - Answer Upper motor neurons and lower motor neurons Spinal motor pathway upper motor neurons -...

motor cortex - ANSWER-controls voluntary movements primary motor cortex - ANSWER--receives sensory input from the cerebellum via. thalamus -sends info. to the spinal cord & brainstem -sends info to corticospinal or corticobulbar tract premotor cortex - ANSWER-The region controlling learned motor skills. -receives input from posterior parietal & visual cortexes lesions in premotor cortex - ANSWER-cause an inability to perform purposeful coordinated actions without a presence of weakn...

SPLH 620 Exam 1 Questions and Answers 100% Correct SPLH 620 Exam 1 Questions and Answers 100% Correct SPLH 620 Exam 1 Questions and Answers 100% Correct SPLH 620 Exam 1 Questions and Answers 100% Correct Descartes came up with ____________. Based on ______________. - ANSWER-first modern model of nervous system; hydraulics What was Descartes thinking behind hydraulics model of nervous system? - ANSWER-The water would move to a joint and the water would move that joint and then the wa...

SPLH 620 Exam #3 Questions and Answers

Spinal motor pathway upper motor neurons - ANSWER-- Cerebral cortex to spinal cord - Descend through the internal capsule - Decussates in medulla (brainstem) - Synapse in anterior horn of spinal cord: corticospinal tract - Does not go through thalamus Spinal motor pathway lower motor neurons - ANSWER-Cell body in anterior horn of SC, synapse with muscle fibers = motor unit Bulbar motor pathway upper motor neurons - ANSWER-- Cerebral cortex to brainstem - Descend through the internal c...

SPLH 620 Exam 1 Questions and Answers 100% CorrectSPLH 620 Exam 1 Questions and Answers 100% CorrectSPLH 620 Exam 1 Questions and Answers 100% CorrectSPLH 620 Exam 1 Questions and Answers 100% Correct 3 types of neuroglia - ANSWER-astrocytes, oligodendrocytes, microglia Astrocytes CNS - ANSWER-Clean up local debris including dead neurons Provide nutrients Regulate chemical composition of extracellular fluid Oligodendrocytes CNS - ANSWER-Provide support for axons Produce myelin sheath t...

SPLH 620 Exam 2| QUESTIONS AND ANSWERS 100% ACCURATESPLH 620 Exam 2| QUESTIONS AND ANSWERS 100% ACCURATESPLH 620 Exam 2| QUESTIONS AND ANSWERS 100% ACCURATESPLH 620 Exam 2| QUESTIONS AND ANSWERS 100% ACCURATEWhat nerve is is involved in hearing and balance? - ANSWER-CN VIII (Vestibulocochlear!) What does vestibular mean? - ANSWER-Position and movement of head What is the brief anatomy of the ear (hearing & balance system)? - ANSWER-1. Outer Ear (pinna, ear canal) 2. Middle Ear (tympanic m...

What does the nervous system do? - ANSWER-1. controls and coordinates all body functions 2. senses and interprets information from outside the body 3. transmits info 4. integrate info 5. generate comands Parts of a neuron - ANSWER--cell body -dendrite -axon Cell body (soma) - ANSWER-integrates signal Dendrites - ANSWER-a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body Axons - ANSWER-a part of a neuron that carries impulses a...