Anatomy Questions
Explore questions in the Anatomy category that you can ask Spark.E!
True or false: Images focused on the retina are right side up.TrueFalse
The bending of light is referred to as______.reflectionaccommodationfocal pointrefraction
What is glaucoma?A condition in which the eyeball shortens decreasing its focal lengthA condition characterized by an abnormal intraocular pressureA condition in which the shape of the eyeball elongatesA condition in which proteins in the vitreous humor precipitate
Identify the muscles of the iris that control the diameter of the pupil.Ciliary musclesDilator pupillaeSphincter pupillaeSuspensory ligaments
The point where light rays cross after passing through a concave lens is referred to as the ________ point.
When ciliary muscles are relaxed, the lens is relatively ______.more roundedmore flat
List the characteristics of the optic disk.It is the center of visual acuity.Blood vessels enter the eye here.It is also called the blind spot.It is where nerve processes exit the eye.
Light rays bend or ______ as they pass through media of different densities.assimilaterefractconverge
In normal near vision light is refracted ______ than in distant vision, thus the lens is ______.less; roundedless; flattenedmore; flattenedmore; rounded
Name the structure which is suspended between the posterior chamber and the vitreous chamber by suspensory ligaments.CorneaIrisRetinaLens
Describe the structure of the lens.It is transparent and biconcave.It is biconvex and opaque.It is concave on the inner surface and transparent.It is transparent and biconvex.
What is a focal point?The nearest point of visionWhere an image formsThe depth of focusThe point where light rays cross after passing through a concave lens
The portion of the retina with the greatest visual acuity is called the_______ _______.
What is the fovea centralis?The opening in the anterior chamber through which the aqueous humor circulatesThe portion of the retina with the greatest visual acuityThe apical curl of the cochleaThe area of the retina where the arteries and optic nerve enter the eye
The interior eye chamber that is almost completely surrounded by the retina and is filled with vitreous humor is the________chamber.
The optic disc is called the_______ _______because it does not contain any photoreceptors and therefore does not respond to light.
The dilator pupillae and sphincter pupillae are also known as ______.the extrinsic muscles of the eyethe sour and sweet taste cellsthe intrinsic muscles of the eyethe chambers of the eye
The area of the retina that does not respond to light is the ______.fovea centralismaculaoptic discsclera
The jelly-like substance found in the largest chamber of the eye is called ______.vitreous humoraqueous humorsynovial humorciliary humor
List the characteristics of the optic disk.It is also called the blind spot.It is the center of visual acuity.It is where nerve processes exit the eye.Blood vessels enter the eye here.