What Is the Cause of Decubitus Ulcers

question 81

Multiple Choice

What is the cause of decubitus ulcers?

• A)The skin is infected with mites that itch, and the scratching causes ulcers.
• B)Pressure on bony projections for a prolonged period of time cuts off the blood supply to an area of skin, and an ulcer forms.
• C)A tumor arises in the lower layers of the skin and opens up to the surface.
• D)An allergenic agent irritates the skin.
• E)A caustic chemical such as an acid gets on the skin.The word decubitus means lying down.

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Definitions:

Resource Price

The cost associated with acquiring, accessing, or utilizing a resource, often dictated by supply and demand dynamics.

Units

A generalized term for the smallest possible measurement in which a quantity can be divided or counted, applicable across various contexts.

Profit-Maximizing

Strategies or actions taken by firms to increase their surplus by adjusting output or pricing based on marginal cost and marginal revenue.

Purely Competitive

A market structure characterized by a large number of sellers producing identical products where each seller is a price taker due to the high level of competition.