Multiple Choice
Once light is absorbed, what is the path of the nervous signal?
15. The Special Senses
Inner Layer of the Eyeball
Struggling with Anatomy & Physiology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
On the image of the retina below, identify the structures located in each circle.
A
Structure 1 is the optic disc, structure 2 is the macula lutea.
B
Structure 1 is the fovea centralis, structure 2 is the macula lutea.
C
Structure 1 is the optic disc, structure 2 is the fovea centralis.
D
Structure 1 is the macula lutea, structue 2 is the optic disc.
Verified step by step guidance1
Begin by examining the image of the retina provided. Notice the two circles labeled 1 and 2.
Structure 1 is located in the central region of the retina, which is typically where the macula lutea is found. The macula lutea is responsible for central vision and is characterized by a darker pigmentation.
Structure 2 is located towards the nasal side of the retina and appears lighter in color. This is indicative of the optic disc, where the optic nerve exits the eye. The optic disc is known for its lighter appearance due to the absence of photoreceptors.
Compare the characteristics of each structure with the options provided in the problem. Structure 1 matches the description of the macula lutea, and structure 2 matches the description of the optic disc.
Conclude that the correct identification is: Structure 1 is the macula lutea, and structure 2 is the optic disc.
Related Videos
Related Practice
Inner Layer of the Eyeball practice set
Problem sets built by lead tutorsExpert video explanations