2330456
Beschreibung
Quiz von #أطباء_2020 , aktualisiert more than 1 year ago
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Erstellt von #أطباء_2020
vor mehr als 9 Jahre
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Frage 1
Frage
Which of the following is true of the vascular layer of the eye
Antworten
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Provides a route for blood vessels and lymphatics that supply the eye
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Regulates the amount of light entering the eye
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Secretes and reabsorbs the aqueous humour
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Controls the shape of the lens
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All of above
Frage 2
Frage
The space between the iris and cilliary body and the lens is the:
Antworten
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Anterior chamber
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Posterior chamber
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Pupil
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Posterior cavity
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B and D
Frage 3
Frage
In human eye, most refraction occurs when light passes through the
Antworten
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Iris
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Cornea
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Lens
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Aqueous humor
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Vitreous humor
Frage 4
Frage
Linear acceleration in the vertical plane is signaled by hair cells in
Antworten
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Anterior semicircular canal
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Saccule
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Posterior semicircular canal
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Utricle
Frage 5
Frage
Alpha block is produced by
Antworten
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Mental arithmetic
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Stimulation of ascending reticular activating system
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Opening one eye
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During sleep
Frage 6
Frage
Hypothalamus doesn't play a prominent role in the regulation of
Antworten
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Food and water intake
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Temperature
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Respiration
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Osmolality
Frage 7
Frage
The categorical hemisphere is chiefly concerned with
Antworten
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Language
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Recognition of faces
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Stereognosis
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Spatiotemporal relations
Frage 8
Frage
Damage to what region of the brain affects recent memory,
Which is the process in which short-term memory is converted to long-term memory
Antworten
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Pons
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Medulla
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Substantia nigra
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Hypothalamus
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Hippocampus
Frage 9
Frage
Regarding sleep :
Antworten
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Slow wave sleep reflects mental rest
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Slow wave sleep is associated with rapid eye movement
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During slow wave sleep, the secretion of GH is decreased
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REM sleep is associated with marked decrease in muscle tone
Frage 10
Frage
The ciliary muscle contracts to:
Antworten
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Control amount of light reaching the retina
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Adjust the shape of the lens for distant vision
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Adjust the shape of the lens for near vision
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Control the production of aqueous humor
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Adjust the shape of the cornea and vitreous
Frage 11
Frage
The transparent anterior portion of the eye is :
Antworten
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Choroid
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Ciliary body
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Cornea
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Iris
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Retina
Frage 12
Frage
When a bright light shines in the eye, what reflex action takes place
Antworten
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Ciliary body secretes tears
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Extrinsic eye muscles contract
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Radial muscles of the iris contract
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Ciliary muscles contract
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Circular muscles of iris contract
Frage 13
Frage
What is the function of the fatty layer in tears:
Antworten
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Make photoreceptor cells
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Make mucous
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Produce cilia to wipe dust away from eye surface
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Make an oily secretion to lubricate the eye & prevents rapid tear evaporation
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Promote lid closure reflexes
Frage 14
Frage
Rods and cones are distributed over the entire retina except for the
Antworten
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Optic disc
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Choroids
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Ora serrata
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Sclera
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Lens
Frage 15
Frage
What is the ability of the eye to focus specifically on close objects (less than 20 feet away )
Antworten
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Adaptation
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Accommodation
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Refraction
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Synthesis
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Indentation
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