Regarding Physical and Cognitive Changes in Late Adulthood, Which of the Following

question 120

Multiple Choice

Regarding physical and cognitive changes in late adulthood, which of the following statements is FALSE?

• A)Age-related declines in memory are generally not at a level significant enough to impair daily functioning.
• B)Aging brings loss of bone density and muscle mass, as well as reduced sharpness or acuity of the senses.
• C)Reaction times slow, which may have an impact on driving abilities.
• D)Immune system functioning declines, making older people more susceptible to illness.
• E)Fluid intelligence increases across much of the life span, only beginning to decline around age 70.

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Definitions:

Diminishing Marginal Product

The principle stating that as one inputs more of a factor of production while holding other inputs constant, the added output produced from each additional unit of the variable input eventually decreases.

Fixed Costs

Fixed costs are business expenses that remain constant regardless of the level of production or sales, such as rent, salaries, or loan payments.

Marginal Cost

The added expense incurred by creating one more unit of a product or service.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the quantity of output produced.