Astronauts Returning to Earth from an Extended Stay in Space

question 29

Multiple Choice

Astronauts returning to Earth from an extended stay in space have to be extremely careful or they could break a bone.It takes several weeks to restore normal bone strength.Which would be the best regimen to rebuild the lost bone tissue?

• A)Nothing special is needed, just lie around and watch TV.
• B)Hit the gym and get going, with a few weeks of heavy weight lifting.
• C)Several weeks of swimming will rebuild all lost bone mass.
• D)Start with walking and build up to jogging, with an extra regimen of light weight lifting in the gym.

---

Definitions:

Accrued Expense

An accounting term for expenses that have been incurred but not yet paid, recorded on the books to reflect true financial position.

Salary Owed

The amount of payment due to employees for services rendered that has not yet been paid.

Accumulated Depreciation

The total amount of a tangible asset's cost that has been allocated as depreciation expense over the asset's useful life, reducing its book value on the balance sheet.

Balance Sheet

A statement that displays the financial condition of a company, detailing assets, liabilities, and the equity of its shareholders at a given time.