Assessment of a Patient's Visual Acuity Reveals That the Left

question 15

Multiple Choice

Assessment of a patient's visual acuity reveals that the left eye can see at 20 feet what a person with normal vision can see at 40 feet and the right eye can see at 20 feet what a person with normal vision can see at 50 feet. The nurse records which of the following findings as visual acuity?

• A) OS 20/40; OD 20/50
• B) OU 20/40; OS 50/20
• C) OD 20/40; OS 20/50
• D) OU 40/20; OD 50/20

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Definitions:

Dutch Elm Disease

Dutch Elm Disease is a fungal disease spread by bark beetles, primarily affecting elm trees, leading to foliage wilting, branch dieback, and potentially the death of the tree.

Chestnut Blight

A fungal disease caused by Cryphonectria parasitica, which has devastated chestnut trees in North America by causing cankers that girdle and kill the trees.

Net Productivity

is the rate at which energy or biomass accumulates in an ecosystem's producers, after subtracting the energy used in respiration, representing the amount of new biological material.

Mineral Release

The process by which minerals become available to organisms in the environment, often through the weathering of rocks or decomposition of organic matter.