Mastering A&P Lab 13 Ex. 23/24

Identify the neuron that is last in the transmission pathway of light information given the cells shown in this image. Select from choices A-D.

A.

Identify the region that belongs to the fibrous layer of the eye. Select from choices A-D.

A.

Identify the lettered muscle responsible for depressing the eye and turning it laterally.

A. Superior Oblique

What term means that the lens can change shape so that the eye can focus on items either close at hand or far away?

Accomidation

Identify the choroid layer. Select from letters A-D.

B.

Identify the lateral rectus muscle. Select from letters A-D.

B.

Identify the lettered muscle that is controlled by the abducens cranial nerve (CN VI).

B. Lateral Rectus

Identify the layer that contains both a single-celled pigmented layer and a neural layer. Select from choices A-D.

C.

Identify the type of neuron that detects bright light and provides high resolution color vision. Select from choices A-D.

C.

Which neuron shown in the figure below is the the only type contained in the fovea centralis? Select from choices A-D.

C.

This image best illustrates an eyeball that is __________.

Emmetropic

What condition results when distant objects focus in front of the retina, rather than on it?

Myopia

Binocular vision ________.

provides depth perception (three-dimensional vision)