Questions (MANY IMAGES IN TARGET!!) for Visual Field and Nervous System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What VF defect runs in an arcuate pattern and has the VF defect in the same half of both VF (EX: Nasal OD, Temporal OS)? | Homonymous VF Defect
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| What VF defect happens when there is a lesion at the chiasma? | Bitemporal VF Defect
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| What VF defect occurs when you have a lesion at the chiasma and the optic nerve? | Junctional VF Defect
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| What VF defect is an early VF defect in glaucoma? | Nasal Step VF Defect
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| What VF defect runs in an arcuate pattern, is typical glaucoma defect, and causes a Bjerrum scotoma? | Arcuate VF Defect
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| What VF defect is an optic nerve defect and a macular defect? | Central VF Defect
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| A lesion in the ______________ causes a VF defect in exactly the same for both VF and the VF defect is in the same half of both VF (EX: Nasal OD, Temporal OS). | Occipital Lobe
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| Macular sparing occurs if there is a lesion is located in the _______________. | Occipital Lobe
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| What is macular sparing? | Retention of macular function in spite of losses in the adjacent visual field as, for example, in homonymous hemianopia due to a cortical lesion (e.g. an interference in the blood flow in the middle cerebral artery).
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| What VF defect happens when there is an occipital lobe defect? | Central (Macula) VF Sparing
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| What nerve is involved in a blow out fracture? | The infraorbital nerve.
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| What is the normal amount of anisocoria? | 1mm
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| The Oculomotor nerve carries which type of autonomic N.S. fibers? | The parasympathetic to the iris.
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| Which part of the cornea has no sensory nerves? | The deep layers.
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| What main nerves go through the superior orbital fissure? | III, IV, VI, and V1
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| What goes through the inferior orbital fissure? | V2 Maxillary
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| What goes through the optic canal? | The optic nerve and the ophthalmic artery.
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| What nerve supplies the tip of the nose? | Ophthalmic V1
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| Where are the afferent pupillomotor fibers located? | Accompany the optic nerve and track and leaves prior to the lateral geniculate.
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| Where are the efferent pupillomotor fibers located? | Runs within the III C.N., through the ciliary ganglion, and into the iris and ciliary body.
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| Name the 3 branches of the Trigeminal nerve. | Ophthalmic, Maxillary, Mandibular
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| Disruption of the pupillomotor fibers will affect which two light reflexes? | Direct and Consensual
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| What nerves run through the ciliary ganglion? | Sensory, Parasympathetic, and the Sympathetic
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| Alpha and Beta receptors are part of the _______________ N.S. | Sympathetic
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| The neurotransmitter for the sympathetic n.s is ___________ and for the parasympathetic n.s is ___________. | Nor-epinephrine (epinephrine), acetyl choline
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| Slow pulse, sweating, pupillary constriction is from ____________ | Parasympathetic
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| Lytic means _______________. | Antagonist
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| Mimetic means ___________________. | Stimulate and Agonist
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| The action of sympathomimetic is about the same as the action of a ______________. | parasympatholytic.
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| Paresis means ______________. | Partial loss
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| Stimulation of the Abducens nerve would cause the eye to ______________. | Abduct
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| Stimulation of the Trochlear nerve would cause the eye to ____________. | Go down when looking towards the nose.
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Created by:
Leequa
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