A Patient Has an Injury to the Optic Nerves, Such

question 10

Multiple Choice

A patient has an injury to the optic nerves, such that the branches of each optic nerve that normally cross to the opposite side of the brain at the optic chiasm are severed. The remaining branches, which do not cross to the other side of the brain, are intact. Which of the following best describes the effect of this injury on his vision?

• A) He can now see only by using his right eye; his left eye is functionally blind.
• B) Only information from the left visual field can enter his brain for processing.
• C) Only the signal for half the visual field of each eye is processed by the brain.
• D) His brain now receives visual information only from the medial half of each retina.

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Definitions:

Dividends

Payments made by a corporation to its shareholder members, typically from profits.

Market Price

The ongoing rate for buying or selling an asset or service in a particular market.

Return On Total Assets

A financial ratio that measures a company's effectiveness in using its assets to generate profit, calculated by dividing net income by the average total assets.

Dividends

Payments made by a corporation to its shareholder members, usually derived from the company's profits.