In a Standard Normal Distribution of Scores, What Approximate Percentage

question 172

Multiple Choice

In a standard normal distribution of scores, what approximate percentage of the distribution is represented in the area that falls between +1 and -1 standard deviations?

• A)34 percent
• B)50 percent
• C)68 percent
• D)95 percent

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Definitions:

Ionized Calcium

The fraction of calcium in the blood that is not attached to proteins, important for many body functions including muscle contraction and blood clotting.

Lactic Acid

A metabolic byproduct produced by the body during anaerobic respiration, contributing to muscle fatigue and soreness post-exercise.

Distal Pulse

A pulse taken far from the trunk of the body, such as at the wrist or foot, indicating the flow of blood to these areas.

Venipuncture

A medical procedure that involves puncturing a vein with a needle to draw blood or to give medications.