Why Is the Optic Disc Known as the Blind Spot

question 72

Multiple Choice

Why is the optic disc known as the blind spot?

• A)Rods and cones are inactive in that area.
• B)There is no retinal layer so there are no cones and rods.
• C)The macula degenerated over the optic disc
• D)The neural circuits lack amacrine and horizontal cells.
• E)layer of bipolar and ganglion cells do not cover the cones in this area.

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Definitions:

Nonaromatic

Referring to organic compounds that do not meet the criteria for aromaticity, typically lacking a fully conjugated, cyclic electron system.

Heat of Hydrogenation

The amount of heat released during the process of adding hydrogen (H2) to unsaturated organic compounds, typically alkenes or alkynes, to form saturated compounds.

Cyclononatetraenyl Anion

An unstable nine-membered ring anion with four double bonds, notable for its role in organic synthesis reactions.

MO Energy Diagram

A graphical representation showing the energy levels of molecular orbitals in a molecule.