The Patient, Age 42, Notices That She Is Having Difficulty

question 28

Multiple Choice

The patient, age 42, notices that she is having difficulty reading typed print. The nurse would explain that the decreased ability to accommodate for near vision is called

• A) senility.
• B) presbyopia.
• C) myopia.
• D) refraction.

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Definitions:

Marginal Product

The additional output resulting from the use of one more unit of a production input, holding other inputs constant.

Variable Input

A variable input is one whose amount can be adjusted in the short term to either raise or lower output levels.

MRP

Acronym for Marginal Revenue Product, which measures the addition to total revenue resulting from the sale of the output produced by one more unit of a variable input.

Haircuts

Often used as an example in economics, referring to a service that cannot be stored, saved, or inventoried, and must be consumed at the point of production.