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Nervous System

QuestionAnswer
Control and coordination of voluntary and involuntary functions Nervous System
What is nervous system made up? Central nervous system and peripheral nervous system
Part of central nervous system Brain and spinal cord
Parts of peripheral nervous system Cranial nerves and spinal nerves
Two divisions of autonomic nervous system Sympathetic nervous system and parasympathetic nervous system
What are the structure of neuron Dendrites, nerve cell body, nucleus. axons, myelin sheath, neuromuscular junction
Small, branch-like projections of the cell make connections to other cells and allow the neuron to talk with other cells or perceive the environment Dendrites
Long, cable-like projection of the cell carries the electrochemical message (nerve impulse or action potential) along the length of the cell Axons
Conducts impulses away from the cell body Axons
Conducts impulses to the cell body Dendrites
Myelin is made of fat, and it helps to speed transmission of a nerve impulse down a long axon Myelin sheath
Transmission of a nerve impulse Dopamine - motor function, serotonin - mood, endorphins - painkillers
Types of nerves Sensory and motor
Types of nerves to brain and spinal cord Sensory (afferent)
Types of nerves from brain and spinal cord Motor (efferent)
Nerve cells bodies and the dendrites Grey matter
Myelinated axons White matter
The brain is consist of Cerebrum, cerebral cortex, hypothalamus, cerebellum, brain stem
Largest part pf the 5 regions, functions in intellectual and emotional processing Cerebrum
In grey matter, speech, motor and sensory area, memory, learning, auditory areas, olfactory areas, visual areas Cerebral cortex
Lies below the cerebrum at the back of the skull, maintenance of voluntary muscles, balance and muscle tone Cerebellum
Sits at the top of the brain, temperature control, regulation of food and water Hypothalamus
Different lobes of the brain Frontal lobe, parietal lobe, occipital lobe, temporal lobe
What does frontal lobe do Social appropriateness, initiate action
What does parietal lobe do Vision spatial processing, manipulation of object
What does occipital lobe Sense of sight, lesions can produce hallucinations
What does temporal lobe do Sense of smell and sound, processing of complex stimuli like face
What are the two major functions of spinal cord? Center for many reflex actions and provides a means of communication between the brain and the spinal nerves that leave the cord
Is the shortest route that can be taken by an impulse from a receptor an affecter Reflex arc
Coverings of the brain pia mater, arachnoid mater, dura mater
Three layers of tissue encasing a protective fluid Meninges
The outer layer of the meninges, is a white fibrous connective tissue Dura mater
The middle layer of meninges, spider web like appearance Arachnoid mater
The innermost layer of meninges, a very thin membrane Pia mater
Main composition of cerebrospinal fluid (CSF) water, nutrients and waste products
What are the functions of cerebrospinal fluid Cushions shocks
Two parts of peripheral nervous system Autonomic nervous system and somatic nervous system
Conducts impulses from the CNS to skeletal system Somatic nervous system
Affecting breathing and heart rate C 1-4
Affects chests muscle T 1-7
Affects abdominal muscles T 8-12
Affects the leg muscles, bladder, bowel and sexual function L 1-5
Any injuries above T 6 can cause Autonomic dysreflexia
System dominates the fight or flight reaction Sympathetic nervous system
System that controls the rest and digest Parasympathetic nervous system
Is head injury that temporarily affects brain functions Concussion
Created by: RONACLEA.RIVERA
 

 



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