Suppose Studies Show That Only 15 Percent of All Teens

question 24

Multiple Choice

Suppose studies show that only 15 percent of all teens wear their bike helmets while riding their bikes. If policymakers wish for more teens to wear their bike helmets, they should create a public service announcement that:

• A)brings attention to the fact that many teens act unsafely by not wearing a helmet.
• B)urges teens to wear helmets, without disclosing the fact that a majority of teens do not wear helmets.
• C)informs parents that most teens do not wear bike helmets.
• D)shares the statistic, although it's impossible to predict whether this will actually influence behavior.

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Definitions:

Kidneys

Pair of bean-shaped organs located below the ribs on either side of the spine, responsible for filtering waste products and excess fluids from the blood to form urine.

Cortex

The outer portion of the kidney.

Kidney

A pair of bean-shaped organs in the vertebrate urinary system, responsible for filtering waste products from the blood and excreting them as urine.

Afferent Arteriole

A small artery that carries blood towards the glomeruli of the kidney, playing a key role in the regulation of blood pressure.