Does Regular Exercise Decrease the Risk of Cancer? a Researcher

question 52

Multiple Choice

Does regular exercise decrease the risk of cancer? A researcher finds 200 women over 50 who exercise regularly, pairs each with a woman who has a similar medical history but does not exercise, then follows the subjects for 10 years to see which group develops more cancer. This is a

• A) retrospective study
• B) matched experiment
• C) survey
• D) prospective study
• E) randomized experiment

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Definitions:

<90/60

Indicates blood pressure readings lower than 90 millimeters of mercury systolic and 60 millimeters of mercury diastolic, which is considered hypotension.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price in a specified time period.

Quantity Supplied

The amount of a good or service that producers are willing and able to sell at a given price in a specified period.

Increase in Demand

A situation where there is a rise in the quantity of a product or service that consumers are willing and able to buy at given prices.