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WorksheetsNervous System, Special senses
Total questions: 151
Worksheet time: 2hrs 1mins
BBB
(a)
CP
(a)
CSF
(a)
CVA
(a)
CNS
(a)
EEG
(a)
HA
(a)
LOC
(a)
MS (3)
Multiple Sclerosis
Mitral Stenosis
Muscular Skeleton
PNS
(a)
REM
(a)
ENT
(a)
EENT
(a)
HOH
(a)
TIA
(a)
Liquid portion of the anterior eye that supplies nutrients to cornea
Auricle
Aqueous Humor
Auditory Canal
Visible hole that leads to the inside of the ear
Auditory Canal
Aqueous Humor
Auricle
Pinna, external portion of the ear
Auricle
Cochela
Lens
Middle layer of the eye that is very vascularized
Choroid coats
Cochela
Cornea
Shaped like snail shell that is a receptor of sound waves
Cochlea
Cornea
Lens
Portion of eye that lines the eyelid and protects the front of the eye, provides protection and lubrication
Conjunctiva
Iris
Eustachian Tube
Round clear part of eye that allows light to enter the eye
Cornea
Lens
Organ of corti
Tiny tube that connects ear to ear to pharynx and allows air to enter into the middle ear and equalize pressure
Retina
Eustachian Tube
Lens
Color part of eye
Iris
Pupil
Lens
Glands in the eye produces tears to moisten and cleanse eyes
Lacrimal Glands
Lens
Pupil
Portion of eye behind pupil that bends light rays to hit retina
Lens
Iris
Pupil
Structure in the cochlea of the inner ear which produces nerve impulses in response to sound vibrations
Organ of corti
Auricle
dyshaphia
3 bones within the middle ear: Hammer, Stirrup, Anvil
Ossicle
Pinna
Pupil
Auricle, external portion of ear
Pinna
Pupil
Refracts
Hole in eye that dilates and constricts to allow light to enter eye
Pupil
Retina
Refracts
Refracts
(a)
Innermost layer of eye, contains the cones and rods
Retina
Sclera
Vestibule
Outermost layer of eye, aka "white part"
Sclerosis
Retina
Pupil
Located within inner ear and helps to maintain balance
Semicircular Canals
Tympanic Membrane
Vitreous humor
Ear drum
Tympanic membrane
Semicircular canals
Vestibule
Portion of the inner ear that connects to the auditory ossicles
Vestibule
Vitreous humor
Auricle
Irreversible memory loss, confusion, speech, and gait disturbances
Alzheimer
Dementia
Anxiety
Loss of mental ability by decreased intellectual ability, loss of memory, disorientation and impaired judgement
Dementia
Hemiplegia
Comatose
False Beliefs
Delusions
Ataxia
Anxiety
Feeling distress or apprehension
Anxiety
Quadripelgia
Infarction
Loss of coordination especially in extremities
Ataxia
Comatose
Meninges
Paralysis of all 4 extremities usually from the neck down
Quadriplegia
Hemiplegia
Paraplegia
Paralysis on right or left side of body usually caused by strokes or TBI
Hemiplegia
Paraplegia
Comatose
Paralysis of lower extremities
Paraplegia
Hemiplegia
Quadriplegia
States of unconsciousness
Comatose
Infarction
Meninges
Dead tissue after loss of blood supply
Infarction
Cartilage
Meningie
Stroke, blot clot/blockage in the brain causes inadequate blood supply
Cerebrovascular Accident
CSF
CNS
Fluid around the brain and spinal cord
Cerebrospinal Fluid
Cerebralvascular Accident
Membrane that covers the brain and spinal cord
Meninges
Gait belt
Olfaction
Tough elastic material between bones that acts as a shock absorber
Cartilage
Strabimus
Epliepsy
Device place around waist to assist with ambulation
Gait Belt
Aphasia
Dysphagia
Sense of Smell
Olfaction
Epilepsy
Aphasia
Muscle weakness in the eyes that causes them to cross
Strabismus
Epilepsy
Aphsia
Seizures
Epilepsy
Aphasia
Dysphagia
Inability to speak normally
Aphasia
Dysphagia
Comatose
Difficulty Swallowing
Dysphagia
Paraplegia
Hemiplegia
The nervous system also (a) all activities in the body.
Functions of the brain and nervous system.
Nervous system helps us respond and adapt to changes both inside and outside.
Brains helps with feeling, memory, reasoning, emotion, movements
The (a) is the nerve cell. It is the basic structural unit of the nervous system.
The (a) is what carries nerve impulses toward the cell body.
The (a) carries nerve impulses away from the body
The ____ ___ is a fat/lipid that is a protective covering for the axon.
(a)
This increases the rate of impulse transmission. A (a) is the space between the myelin sheaths of the axon. This is how nerve impulses jump or synapses happen- going from one neuron to another.
The CNS contains the ___ and ___ ___. The brain is a mass of nerve tissues and is protected by the ____
(a)
The (a) is separated into lobes. They are the frontal, parietal, temporal, occipital lobes.
This part of the brain is responsible for _____, thought, __, judgement, ___, sensation, sight, smell, ___, and voluntary body movements.
(a)
The cerebellum is below the cerebrum. It is responsible for muscle coordination, ____, posture, and ____.
(a)
The diencephalon is between the cerebrum and the mid brain. It has 2 structures; the thalamus and the hypothalamus. The ___ is the relay center of the brain that allows recognition of pain and the body ____.
thalamus
Body temperature
The ____ is what regulates and controls the autonomic nervous system, temperature, appetite, sleep, blood vessel dilation and constriction.
Hypothalamus
thalamus
The ___ is below the cerebrum but on top of the brain stem. It is responsible for conducting ___ between brain parts and for some eye and auditory reflexes.
Midbrain is below the cerebum.
conducting impulses between brain parts.
The (a) is in the brain stem. It is responsible for conducting messages to other parts of the brain and reflexes.
Pons is also responsible for....
Chewings
Tasting
Saliva Production
and assists with respiration
The ___ ____ is the lowest part of the brain stem. It connects with the spinal cord. This is what is responsible for regulating ___, ____, ____, ____, and blood pressure.
Medulla Oblongata
heartbeat
respiration
swallowing
coughing
The ____ is the membrane that covers the brain and spinal cord.
There are 3 layers:
__-under the skull
__-covers the brain
____-surrounds the brain and spinal cord; web-like. Subarachnoid space holds the CSF.
Meninges is the membrane
Dura mater- under the skull
Arachnoid membrane- surrounds the brain and spinal cord; web-like. Subarachnoid space holds the CSF.
Pia mater- covers the brain
Functions of CSF
shock absorber
Provides nutrients to brain and spinal cord
Removes metabolic products and wastes
From the medulla oblongata to the ___ to ___. ____ protect spinal cord.
L1 and L2
Vertebrae protects spinal cord
Spinal cord cont:
Is responsible for ___ and ___ messages.
Sensory
(afferent)
motor
(efferet)
Afferent- (a) messages up to brain.
Efferent- (a) messages from the brain to nerves that goes to muscles and glands.
Peripheral nervous system:
__ and __. Somatic carries messages between the __ and the __.
Somatic and Autonomatic
Somatic carries messages between the CNS and body
The autonomic nervous system (ANS) is divided into 2 divisions.
These are the ____ and the ___.
These 2 divisions work together to maintain a balanced state.
Sympathetic
Parasympathetic
The ___ is known as " fight or flight". Your body releases norepinephrine and your heart rate increases and your blood pressure increases. ____ ____ is the only thing that is decreased.
(a)
The (a) does the opposite after an emergency to counteract and bring you back to your balanced state.
The cerebellum is below the cerebrum. It is responsible for muscle coordination, ____, posture and ___ ___.
(a)
The diencephalon is between the cerebrum and the midbrain. It has 2 structures; the thalamus and the hypothalamus. The ___ is the relay center of the brain that allows recognition of pain and body ____.
(a)
The (a) is what regulates and controls the autonomic nervous system, temperature, appetite, sleep, blood vessel dilation and constriction.
The ____ is below the cerebrum but on top of the brain stem. It is responsible for conducting ___ between brain parts and for some eye and auditory reflexes.
(a)
The (a) is in the brainstem.
It is responsible for conducting messages to other parts of the brain reflexes. Also responsible for ___, ___, ___ ____, and _____.
chewing
tasting
saliva production
assists with respiration
The ____ ____ is the lowest part of the brain stem.
(a)
It connects with the spinal cord. This is what is responsible for regulating ____, ____, ____, ____, and blood pressure.
Heartbeat
Respiration
Swallowing
Coughing
The (a) is the membrane that covers the brain and spinal cord.
The meninges is the membrane that covers the brain and spinal cord.
There are three layers;
dura mater- under the skull
Arachnoid membrane- surrounds the brain and spinal cord; weblike.
Subarachnoid space holds the CSF
Pia mater- covers the brain
Cerebrospinal fluid is found in the (a) of brain and subarachnoid space.
Amyotrophic Lateral Sclerosis (ALS)- ____, degenerative neuromuscular disease where Nerve cells in the CNS that control ___ movement deteriorate, so the muscles weaken and atrophy.
(a)
Amyotrophic Lateral Sclerosis (ALS)
signs and symptoms
Weaking/Atrophy of muscle the control
muscle weakness
abnormal reflexes
Tripping, falling, impaired arm and hand movements, etc
Carpal Tunnel- nerves in the forearm that leads to hands and fingers get pinched
signs and symptoms
Pain, muscle weakness in the hand
Tingling in thumbs, ring finger, middle finger
Cerebral Palsy (CP)- brain damage that causes a disturbance in (a) muscle action
Cerebral Palsy signs and symptoms
Exaggerated reflexes
tense muscles
speech impairments
tremors, some cases mental disorders
CVA- stroke/ Blood flow to brain is impaired from HTN, aneurysm, blockage- atherosclerosis or thrombus/cot
signs and symptoms:
loss of consciousness
weakness
paralysis
dizziness, dysphagia,
Encephalitis- Inflammation of the brain; caused by virus, bacteria, chemical agent or complications of measles, chicken pox or mumps. Can be caused by ___ bites
S/S
Can be caused by mosquito bites
visuals disturbances, headaches
Vomiting, coma
Stiff neck
Epilepsy- Seizures ___ impulses in the neurons in the brain.
S/S
Electrical
Particular smell
ringing in ear, visual disturbances
Tingling in fingers and/or toes
Hydrocephalus- Excessive accumulation of ___ in the ventricles of the brain.
s/s:
CSF
Abnormally large head
Prominent forehead, budging eye
distended scalp
Meningitis- inflammation of meninges in brain or spinal cord
S/S
High fever, headaches
back and neck pain or stiffness
nausea and vomitting
Multiple Sclerosis (MS)- chronic, progressive condition resulting from ___ ___ degenerating in the CNS.
S/S
Myelin Sheath
Diplopia (double vision)
tremors, poor coordination, etc.
Nerve pain that's experienced without stimulation of the nerve receptor.
(a)
Paralysis: results from brain and spinal injury. Destroys (a) .
One sided paralysis
(a)
Paralysis from the waist down
(a)
paralysis from the neck down
(a)
Parkinson's Disease- chronic, progressive. Brain cells degenerate.
S/S
Tremors, stiffness
Muscular rigidity, forward-leaning postion
Shuffling gait
Shingles- Herpes Zoster- Inflammation of nerve cells caused by the herpes virus. Follows along nerve paths.
S/S
Fluid-filled vesicles on skin
Redness, itchiness
Fever serve pain
What are the 5 senses?
Sight
Smell
Feeling
Taste
Hearing
The eye- protected by our ___, ___ and ___, ___ and the ___.
Skull, eyelids, and eyelashes, Lacrimal Glands and the Conjuctiva
Cranium, eye jelly, and eyelashes, Lacrimal Glands and the Conjuctiva
Skull- bony socket
Eyelids and eyelashes- ____
Lacrimal Glands- ___
Conjunctiva- ___
Eyelids and eyelashes- Keeps out dirt + pathogens
Lacrimal Glands- produces tears -> keeps eyes moistened
Conjuctiva- Line eyelid -> covers front of eye protection + lubrication
Layers of the eye:
Sclera- ___
Cornea- ___
Retina- ___
Sclera- outermost layer of eye aka "white part of eye"
Cornea- Part of eye that lets the light in
Retina- inner most layer of eye connects to rods and cones
____- colored part of eye
____- opening in iris; 2 muscles that control the size of the pupil to regulate the amount of light that enters the eye
____- Located behind the pupil. Bends the light rays so it hits the retina
Iris- color part of eye
Pupil- opening in iris
Lens- Located behind pupil
(a) - Clear, watery fluid that fills the space between the cornea and iris. It helps bend light rays and keeps the eye curved
(a) - jellylike substance that fills the area behind the lens. It also bends the light and helps the eyeball keep its shape-.
5 examples of substances that dilate the pupil:
Benadryl
Gehahist
Naramin
Sominet
Unison
Examples of substances that constrict the pupil:
Fentanyl
Heroin
Morphine
These are all drugs
(a) - lazy eye. Occurs in early childhood; poor vision in the lazy eye causes the other eye to compensate.
TX: Cover the good eye with a patch to stimulate the lazy eye to strengthen it.
(a) - abnormal shape-/curvature of cornea- that causes blurred vision.
(a) - occurs when the normally clear lens becomes cloudy or opaque. Causes: aging, trauma.
s/s: halos around lights, blurred vision, milky white pupil.
TX: removal of lens and implanted intraocular lens or glasses/contacts
(a) - Inflammation of the conjunctiva: pink eye. Caused by bacteria or allergen that infects the conjunctiva.
S/S: redness, irritation, watering, itching, pus, sclera pink. HIGH CONTAGIOUS! TX: disinfect every area of home, work, school that has been touched. Wash hands frequently, avoid touching the eye, use antihistamines and steroid eye drops.
(a) - Increased pressure in the eye caused by excess aqueous humor; common after the age of 40 and causes blindness.
S/S: loss of peripheral vision, halos around lights, limited night vision. Controlled w meds
(a) - Farsightedness. Can't see up close. Light rays aren't refracted and the image focuses behind the retina.
______ ______- blood vessels of the retina are damaged and center part of retina is damaged. This is age related normally; the retina thins and is a common cause of blindness.
(a)
(a) - nearsightedness. Can't see far away. Light rays refracted too much and the image focuses in front of retina. Corrected by contact lenses/glasses.
(a) - "40-itis" the lens loses elasticity and reading glasses are needed. You will see people holding things far away to be able to read it, If it is small print.
(a) - Eyes don't focus together. One may be cross-eyed. Caused by weak muscles.
TX: surgery on eye muscles, corrective lenses or eye exercises
The Ear:
The organ that controls ____ and ___.
hearing
balance
3 sections to ear:
Outer ear
Inner ear
Middle ear
(a) - external part of the ear that you can.
External Auditory Canal visible hole that leads to the inside of the ear.
It is lined with cerumen. This protects the ear from invading microorganisms.
(a) - separates the outer ear from the middle ear.
(a) - smallest bones found in the body. They are the malleus, incus, and stapes. These bones transmit sound waves from the tympanic membrane to the inner ear.
(a) - separated from middle ear by the oval window.
(a) - look like a snail, contains the organ of corti that is a receptor of sound waves. The waves are transmitted to the auditory nerve that goes to the brain and it interprets what we hear.
(a) - also in the inner ear. It has liquid and hair like fibers that bend when the liquid moves with the head and body. This liquid helps to maintain our Sense of Balance and equilibrium.
Diseases/Conditions of the Ear:
(a) - Conductive or sensory; if the loss is conductive, deafness is when sound waves aren't being conducted in the inner ear. Could be from wax plug, foreign body, infection.
TX: eliminate the cause. Hearing aid is common.
(a) - collection of fluid in the inner ear. It degenerates the hairs in the cochlea. Causes permanent deafness.
(a) - Inflammation of external auditory canal "swimmers ear." Caused by bacteria/virus. Inserting Bobby pins, finger nails or q tips can cause.
TX: antibiotics
(a) - inflammation or infection of the middle ear. Caused by bacteria/virus. May require surgery to place tubes in ears. This is called Myringotony. It is an incision made into the tympanic membrane and a tube is inserted into the middle ear relieve pressure.
Gustation: Taste
The tip of the tongue tastes ____ ____ foods.
(a)
The side/sides of the tongue tastes (a) food
(a) of the tongue tastes bitter food.
(a) of the tongue tastes meaty/savory foods.
Olfactory receptors are located in the (a) cavity.
Impulses from (a) receptors are sent to the brains nerve to interpret smell.
SA ME
Sensory Afferent
Motor Efferent
FAST abbreviation for strokes/CVA
F- facial dropping
A- arm weakness
S- Speech difficulty
T- Time
