Which of the Following Might Explain Why Most People Are

question 95

Multiple Choice

Which of the following might explain why most people are sick more often as children than as adults in their 20s through 50s?

• A) The thymus is so active in children that it fights bacteria so hard that it produces strong symptoms of disease.
• B) We build up many varieties of memory lymphocytes during childhood, providing immunity to more and more antigens during adulthood.
• C) The immune system does not appear until the preteen years.
• D) Because of their small size, childrenʹs bodies cannot contain as much lymphoid tissue as those of adults.

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Definitions:

Annual Cash Flows

The total amount of money that is transferred into and out of a business, project, or investment within a year.

Required Rate

The minimum return that investors expect to earn when they invest in a project, often used as the discount rate in capital budgeting.

Straight-line Depreciation

A method for dispersing the cost of a physical asset across its useful life in even annual allocations.

Discounted Payback

A capital budgeting method used to determine the profitability of an investment by calculating the time it takes for the present value of cash flows to cover the initial investment cost.