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A&P Final 6/13
Question | Answer |
---|---|
What are 2 divisions of the nervous system? | CNS and PNS |
Name the subdivisions of the peripheral nervous system | voluntary and autonomac |
List the structures of the CNS | Brain and Spinal cord |
List the parts of the neuron and their functions | dendrites- recpetor cell body- organelles/ neurotransmitter axon- sackules are here |
Whats the functions of sensory neurons? | recieve stimulus from periphery and carry to CNS |
What is the function of motor neurons? | carry from CNS to periphery |
What is the function of interneurons? | central, association, internunical.- makes up brain and spinal cord |
What is the function of an Axon? | sends stimulus |
What is the function of a Dendrite? | recieve stimulus |
What is the function of a Cell body? | organelles- neurotransmitter forms here |
Define synapse | Chemical communication between axon of one and dendrite on another |
Define synaptic gap | synaptic cleft- space between axon and dendrite |
Define Reflex/ reflex arc | No brain envolvement |
What is a neurotransmitter? | A chemical |
Where is the neurotransmitter stored? | Sacule |
What is a neurotransmitter that is often seen in the periphery? | acetycholine |
Define myelin | a white sheath that covers neurons- white matter- schwan cells form it |
What is in the subarachnoid space? | blood vessels |
List parts of the brain stem | medulla, pons and midbrain |
Define afferent | carry toward |
define efferent | carry from |
What is the dorsal root ganglion? | group of cell bodies of the sensory neuron |
What structures form the gray H shaped area of the spinal cord? | dorsal and ventral horn. Axon of sensory- interneurons |
Name of concentration of cell bodies of sensory neurons | dorsal root ganglion |
What is a plexus? | Large nerve from when small nerves branch off of |
What plexus is commonly used for administering anesthesia? | Lumbo sacral |
Where does thought and judgement occur? | frontal lobe of cerebrum |
Where does nerve tracts cross? | pons- midbrain |
Where is the HR, respiration rate, and BP | medulla |
Where is coordination? | cerebellum |
Where is speech? | temporal lobe of cerebrum |
Where is body temp? | Hypothalmus |
Where is the screening center? | thalmus |
What leads to spinal cord? | medulla |
Where is the visual center? | occipital lobe of cerebrum |
Where is learning and memory? | frontal lobe/ Gnostic |
What serves as a bridge? | PONS |
What is the function of the ANS? | regulates organs- homeostasis |
What is ataxia? | imbalance |