An Area of Depressed Vision Within a Visual Field Can

question 24

Multiple Choice

An area of depressed vision within a visual field can be caused by which of the following?

• A) stroke or glaucoma
• B) hyperopia
• C) nutritional deficiency
• D) nearsightedness

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Definitions:

Liquefied Petroleum Gas

A flammable mixture of hydrocarbon gases used as fuel in heating appliances, cooking equipment, and vehicles, commonly known as LPG.

Butane

A gaseous hydrocarbon (C4H10) that is a constituent of natural gas and petroleum, used as a fuel and in the manufacture of organic compounds.

Propane

A flammable hydrocarbon gas used as a fuel for heating, cooking, and in some vehicles, also known as liquefied petroleum gas (LPG) when stored under pressure.

Natural Gas

A combustible hydrocarbon mainly made up of methane, utilized for generating heat, cooking food, and producing electricity.