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35 Cards in this Set
- Front
- Back
Cranial nerve I |
Olfactory nerve (S)
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Cranial nerve II
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Optic nerve (S)
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Cranial nerve III
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Occulomotor nerve (M)
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Cranial nerve IV
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Trochlear nerve (mixed)
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Cranial nerve V
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Trigeminal nerve (mixed)
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Cranial nerve VI
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Abducens nerve (M)
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Cranial nerve VII
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Facial nerve (M)
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Cranial nerve VIII
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Vestibulocochlear nerve (S)
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Cranial nerve IX
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Glossopharyngeal nerve (mixed)
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Cranial nerve X
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Vagus nerve (mixed)
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Cranial nerve XI
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Spinal accessory nerve (M)
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Cranial nerve XII
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Hypoglossal nerve (M)
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Central nervous system
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Brain and spinal cord
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Peripheral nervous system
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- 12 cranial nerves
- Autonomic Nervous System ~ parasympathetic "rest and digest" ~ sympathetic "fight or flight" |
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Forebrain
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- cerebrum
~ conscious thought and action - thalamus ~ directs incoming messages ~ switch board - hypothalamus ~ releases hormones ~ controls involuntary ANS actions ~ influences homeostasis |
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Midbrain
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Pathway for fibers carrying senses of hearing and sight
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Hindbrain
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- cerebellum
~ "little brain" ~ controls balance and coordination - pons ~ controls respiration - medulla oblongata ~ control of respiration and blood pressure |
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Meninges
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- dura mater
(subdural space) - arachnoid layer (subarachnoid space) - pia mater |
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Blood brain barrier
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- protects brain from painful substances in blood stream
- allows anesthetic gas and analgesics into nervous tissue of brain |
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Special Senses
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- sight
- taste - smell - hearing - balance |
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Gustation
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Sensation of taste
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Olfaction
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Sensation of smell
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Parts of eye
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Sclera Outer
Uvea ↕ Retina Inner |
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Entropion
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Eyelid rolls inward and scratches cornea
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Ectropion
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Eyelid droops downward
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Cherry eye
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3rd eyelid swells (nictating membrane)
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Keratoconjunctivitis
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Pink eye; inflammation due to dryness
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Keratoconjunctivitis sicca
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Dry eye; due to lack of production of tears
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Cataracts
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Cloudiness in eye; doesn't significantly affect vision until advanced
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Nuclear sclerosis
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Affects rods and cones; cloudiness in eye; breakdown of lens fibers
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Glaucoma
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Increased pressure in eye due to fluid buildup; leads to retina damage
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Opthalmoscope
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Used to look inside of eye
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Parts of ear
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External
Middle ↕ Internal |
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Aural hematoma
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Severing of blood vessels in pinna resulting in inflammation and hemorrhage
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Auditory ossicles
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* transmit vibrations
Malleus (hammer) Incus (anvil) Stapes (stirrup) |