One Side Effect of the Tougher 2006 Drug Testing Policies

question 3

Multiple Choice

One side effect of the tougher 2006 drug testing policies in Major League Baseball is that

• A)as many as one-fourth of the players on some teams have been permanently banned from the league.
• B)steroid use has increased further,because the players now cannot use amphetamines.
• C)chewing tobacco use has increased.
• D)more players are diagnosed with ADHD so they can have therapeutic-use exemptions to take stimulant drugs.

Understand the role of experimental control in isolating the effects of independent variables on dependent variables.

Realize the potential influence of third variables/confounding variables in correlational studies.

Discern the critical difference between correlation and causation in interpreting research findings.

Understand and apply the principles of combinations and permutations to determine the number of possible groups, selections, or orderings.

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Definitions:

Left Atrium

One of the four chambers of the heart, receiving oxygen-rich blood from the lungs and pumping it into the left ventricle.

Pulmonary Artery

The blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.

Postcava

Another term for the inferior vena cava, the large vein that carries deoxygenated blood from the lower body to the heart.

Radial Vein

A vein located in the forearm that is part of the venous system returning blood to the heart.