BCS 110 Exam 2 | UPDATED Questions with 100% Verified Answers

BCS 110 Exam 2 | UPDATED Questions with 100% Verified Answers

Question:
Iris

Answer:
Colored part of the eye that constricts or dilates to change light entry


Question:
Pupil

Answer:
Hole in the center where the light actually enters


Question:
Lens

Answer:
Bends and refracts incoming light


Question:
Ciliary Muscles

Answer:
Holds and modulates the lens


Question:
Cornea

Answer:
transparent, anterior part of the eyeball covering the iris, pupil, and anterior chamber that
functions to refract (bend) light to focus a visual image


Question:
Retina

Answer:
Adjustment of lens focuses , the light-sensitive inner surface of the eye, containing the
receptor rods and cones plus layers of neurons that begin the processing of visual

, information


Question:
Cones

Answer:
Receptors in eye for high acuity, daylight vision, and color vision


Question:
Rods

Answer:
Receptors in eye for low acuity, night/low light vision, and are not able to distinguish
color


Question:
Fovea

Answer:
Area in center of retina w/ high acuity (large # of cones) for focusing on an object


Question:
Rhodopsin

Answer:
Pigment that absorbs light and acts as a G-protein coupled receptor


Question:
Receptive Fields

Answer:
Area in visual field that a neuron specifically responds to


Question:
Wavelength

Answer:
Determines color perception