Test
HBF & vision
Este test tiene tiempo límite, así que se abre en el reproductor de siempre.
Preguntas del test (15)
1Which of the following is true of the vascular layer of the eye
- AProvides a route for blood vessels and lymphatics that supply the eye
- BRegulates the amount of light entering the eye
- CSecretes and reabsorbs the aqueous humour
- DControls the shape of the lens
- EAll of above
2The space between the iris and cilliary body and the lens is the:
- AAnterior chamber
- BPosterior chamber
- CPupil
- DPosterior cavity
- EB and D
3In human eye, most refraction occurs when light passes through the
- AIris
- BCornea
- CLens
- DAqueous humor
- EVitreous humor
4Linear acceleration in the vertical plane is signaled by hair cells in
- AAnterior semicircular canal
- BSaccule
- CPosterior semicircular canal
- DUtricle
5Alpha block is produced by
- AMental arithmetic
- BStimulation of ascending reticular activating system
- COpening one eye
- DDuring sleep
6Hypothalamus doesn't play a prominent role in the regulation of
- AFood and water intake
- BTemperature
- CRespiration
- DOsmolality
7The categorical hemisphere is chiefly concerned with
- ALanguage
- BRecognition of faces
- CStereognosis
- DSpatiotemporal relations
8Damage to what region of the brain affects recent memory,
Which is the process in which short-term memory is converted to long-term memory- APons
- BMedulla
- CSubstantia nigra
- DHypothalamus
- EHippocampus
9Regarding sleep :
- ASlow wave sleep reflects mental rest
- BSlow wave sleep is associated with rapid eye movement
- CDuring slow wave sleep, the secretion of GH is decreased
- DREM sleep is associated with marked decrease in muscle tone
10The ciliary muscle contracts to:
- AControl amount of light reaching the retina
- BAdjust the shape of the lens for distant vision
- CAdjust the shape of the lens for near vision
- DControl the production of aqueous humor
- EAdjust the shape of the cornea and vitreous
11The transparent anterior portion of the eye is :
- AChoroid
- BCiliary body
- CCornea
- DIris
- ERetina
12When a bright light shines in the eye, what reflex action takes place
- ACiliary body secretes tears
- BExtrinsic eye muscles contract
- CRadial muscles of the iris contract
- DCiliary muscles contract
- ECircular muscles of iris contract
13What is the function of the fatty layer in tears:
- AMake photoreceptor cells
- BMake mucous
- CProduce cilia to wipe dust away from eye surface
- DMake an oily secretion to lubricate the eye & prevents rapid tear evaporation
- EPromote lid closure reflexes
14Rods and cones are distributed over the entire retina except for the
- AOptic disc
- BChoroids
- COra serrata
- DSclera
- ELens
15What is the ability of the eye to focus specifically on close objects (less than 20 feet away )
- AAdaptation
- BAccommodation
- CRefraction
- DSynthesis
- EIndentation
Información
- Descripción
- Review
- Autor
- #أطباء_2020
- Idioma
- English
- Visitas
- 91
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test