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What is on the dorsal view of hte cerebrum?
- R and L hemispheres
- Longitudinal fissure
- Frontal, parietal, occipital, temporal lobes
- Central sulcus
- convolutions: gyri and sulci
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What is on the midsagittal view of hte cerebrum?
corpus callosum: genu and splenium
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What is in the diencephalon?
- ventral view: optic chiasma and optic tract/ mamillary body
- midsagittal section: thalamus
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Mesencephalon
- Dorsal and midsagittal views:
- Corporta quadrigemina (superior and inferior colliculi)
- Pineal body
Ventral view: cerebral peduncles
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Metencephalon
Dorsal view: cerebellum, vermis of cerebellum, cerebellar hemispheres
Midsagittal view: arbor vitae of cerebellum/ pons
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Cranial nerves
Ventral view: optic nerves/ olfactory bulb and olfactory tract
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ventricles
midsagittal view: lateral, 3rd, 4th
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myelencephalon
dorsal, ventral, and misaggital views: medulla oblongata
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where is the gall bladder located?
on the surface of hte right liver lobe
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Where is the stomach located?
under the left lobe of the liver
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Where are the lateral ventricles located?
within the center of the cerebral hemisphere
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Where are the third and fourth ventricles located?
third: near thalamusfourth: base of cerebellum
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WHy is there no vision in the blind spot?
absence of rods adn conesq
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What is the lens shape controlled by?
ciliary muscles attachedto it
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test for color blindness
pseudoisochromatic plates
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For diagnosis of color defectives an __ is used as a rule
anomaloscope
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Demonstration plates
enhance understanding of the shapes and position of the numebers
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Screening plates
protan or deutan (congenital red green deficiency)
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classification plates
classify protan and deutan
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reference figures
- good for kids
- in black in white
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Subjects who can't read plates two and three are __/
Subjects who can't read plate number one are __.
- suspected of total color blindness, tritan, acquired defectiveness
- suggetive of malingery
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Rinne Test
- test for middle ear deafness
- strike a tuning fork and place handle against mastoid. when vibrations no longer heard, hold tuning fork outside the external ear
- if no sound heard= middle ear deafness
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Weber Test
- middle ear deafness
- strike tuning fork and place handle medially on your partner's head
- indicate ear where it is lounder
- if sensoineural deafness: tone heard in unaffeted ear, but not in ear with it
- conduction deafness: heard more strongly in ear in which there is a hearing losss
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