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56 Cards in this Set
- Front
- Back
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Interconnected cavaties w/in cerebral hemispheres & brain stem.
Filled w/ cerebrospinal fluid (CSF) Lateral ventricles, Third & Fourth Ventricles & cerebral aqueduct |
Ventricles
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Loss or reduction in the ability to sense pain, but w/out loss of consciousness
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Analgesia
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Pain relieving drug
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Analgesic
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Loss of feeling
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Anesthesia
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Disturbance or loss in the ability to use words or to understand them.
Usually due to damaging the cerebral association areas |
Aphasia
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Impairment in a person's ability to make correct use of objects
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Apraxia
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Partial or complete inability to coordinate voluntary movements
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Ataxia
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Surgical procedure opening a part of the skull
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Craniotomy
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Inflammation of the brain and meninges charactherized by drowsiness and apathy
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Encephalitis
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Temporary disturbances in the normal brain impulses that may be accompanied by convulsive seizures and loss of consciouness
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Epilepsy
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Hereditary disorder of the brain producing progressively worsening, uncontrollable dance-like movements and personality changes
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Huntington Disease
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Pain in nerve
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Neuralgia
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Inflammation of a nerve
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Neuritis
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Protective membranes surrounding brain and spinal cord in (CNS) central nervous system
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Meninges
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3 layers of Meninges
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dura-mater - outermost layer
arachnoid - middle layer pia-mater - innermost layer |
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Nerve pathway that carries out the simplest responses..Reflexes
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Reflex Arc
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Parts of the Reflex Arc
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Receptor
Sensory Neuron Interneuron Motor Neuron Effector |
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The receptor end of a dendrite in a sensory organ
Sensative to a specific type of internal or external change |
Receptor
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Dendrites, cell body and axon of a sensory neuron
Transmits nerve impulses from receptor into the brain or spinal cord. |
Sensory Neuron
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Dendrites, cell body, and axon of neuron w/in brain
Serves as processing center Conducts nerve impulses from sensory neuron to motor neuron |
Interneuron
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Transmits nerve impulse from brain and spinal cord out to effector.
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Motor Neuron
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A muscle or gland that responds to stimulation by the motor neuron and produces the reflect or behavioral action
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Effector
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Motor speech area
Controls muscles needed for speech. |
Broca's Area
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Tracts of the spinal cord
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Ascending Tracts and Descending Tracts
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Tracts that conduct sensory impulses to the brain.
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Ascending Tracts
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Tracts that conduct motor impulses from brain to muscle or glands
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Descending Tracts
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Connect the brain to spinal cord.
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Brainstem
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Parts of the brainstem
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Midbrain
Pons Medulla Oblongata |
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Which part of the brainstem?
Between diencephalon & pons Contains bundles of Fibers that join lower parts of brainstem and spinal cord w/higher parts of brain |
Midbrain
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What part of the brainstem?
Rounded bulge on underside of brainstem Between medulla oblongata and midbrain Helps regulate rate & depth of breathing |
Pons
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What part of the brainstem?
Enlarged continuation of spinal cord. Conducts ascending & descending impulses between brain and spinal cord Contains cardiac and respiratory control centers |
Medulla Oblongata
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Functions of ___________
Interpreting impulses from sensory organs, initiating voluntary movement, storing & and retrieving memory, Reasoning Center for intelligence and personality |
Functions of Cerebrum
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What part of the cerebrum contains the primary visual area?
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Occipital Lobe
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PNS (Peripheral Nervous System) consist of _______ and ______
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Cranial Nerves
Spinal Nerves |
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PNS Subdivisions
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Somatic Nervous System
Autonomic Nervous System |
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__________ Nervous System is
*The part of the PNS that functions independently & w/out conscious effort *Controls visceral activities *Regulates smooth muscle, cardiac muscle & glands *Efferent fibers typically lead to ganglia outside CNS |
Autonomic Nervous System
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Divisions of Autonomic Nervous System
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Sympathetic Division - Prepares body for Fight or Fligh situationss
Parasympathetic Division - Prepares body for resting & digesting |
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Autonomic Neruotransmitters
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Cholinergic - bind to acetylcholine
Adrenergic - Bind to norepinephrine |
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Spinal Nerves
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8 Cervical (C1-C8)
12 Thoracic (T1-T12) 5 Lumbar (L1 - L5) 5 Sacral (S1-S5) 1 Coccygeal (C0) |
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The organs of the central nervous system are the _________ and __________
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Brain and spinal cord
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What part of the CNS provides two-way communication with the PNS?
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Spinal Cord
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The outer membrane covering the brain is composed of fibrous connective tissue and is call the ___________
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dura-mater
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Cerebrospinal fluid is found between the
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pia-mater and the arachnoid mater
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The spinal cord ends
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Between 1st and 2nd lumbar vertabrae
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Part of brain for for hearing
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Temporal lobes
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Part of brain for vision
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Occipital lobes
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Part of brain for Recognition of printed words
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Temporal lobes
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Part of brain for control of voluntary muscles
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Frontal lobes
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Part of brain for pain
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Parietal lobes
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Part of brain for complex problem solving
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Frontal lobes
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Damage to the Broca's area in the cerebral cortex results in the inability to
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Speak
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The cerebral aqueduct is located in the
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midbrain
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The PNS has two divisions, the _______ nervous system and the ________ nervous system
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Symatic Nervous System
Autonomatic Nervous System |
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The cranial nerve that raises the eyelid an focuses the lens of the eye is the
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Oculomotore nerve
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The part of the nervous system that functions without conscious control is the ______ nervous system
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Autonomic Nervous System
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Area of the body supplied by sensory nerve fibers associated w/ a particular dorsal root of a spinal nerve.
Useful in localizing the sites of injuries to dorsal roots or spinal cord. |
Dermatome
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