Color Vision and Eye Function Quiz
Preview:
Which part of the ear contains the Organ of Corti?
A. Utricle
B. Saccule
C. Cochlear duct
D. Semicircular canal
Which of the following initiates the tympanic reflex?
A. Sudden low-frequency sounds
B. Sudden loud sounds
C. Prolonged silence
D. Low ambient noise
Which vitamin deficiency causes night blindness?
A. Vitamin A
B. Vitamin D
C. Vitamin E
D. Vitamin K
Astigmatism is caused due to:
A. Change in lens curvature
B. Irregular corneal surface
C. Vitreous body defects
D. Retinal degeneration
Which cells initiate electrical events in retina?
A. Rods and cones
B. Bipolar cells
C. Ganglion cells
D. Amacrine cells
Near point is defined as:
A. Closest point clearly seen
B. Far point of accommodation
C. Retinal focal length
D. Axial length of eye
Scotopic vision refers to:
A. Daylight vision
B. Dim light vision
C. Color vision
D. Sharp vision
What type of vision is mediated by rods?
A. Color vision
B. Sharp vision
C. Dim light vision
D. Central vision
Function of iris is to:
A. Focus light
B. Detect light
C. Regulate amount of light
D. Protect retina
What is the test used to detect color blindness?
A. Snellen chart
B. Ishihara chart
C. Jaeger chart
D. Visual evoked potential
Which cells are primarily responsible for color vision?
A. Rods
B. Cones
C. Bipolar cells
D. Ganglion cells
Dark adaptation improves:
A. Central vision
B. Color perception
C. Night vision
D. Refraction
Which structure functions as the auditory receptor?
A. Tympanic membrane
B. Organ of Corti
C. Cochlear duct
D. Eustachian tube
Which reflex constricts the pupil in response to light?
A. Accommodative reflex
B. Ciliospinal reflex
C. Pupillary light reflex
D. Jaw jerk reflex
Which statement is true about rods?
A. Active in bright light
B. Responsible for color vision
C. High acuity
D. High sensitivity to light