A Random Sample of 25 Employees of a Local Company

question 115

Multiple Choice

A random sample of 25 employees of a local company has been measured. A 95% confidence interval estimate for the mean systolic blood pressure for all company employees is 123 to 139. Which of the following statements is valid?

• A) 95% of the sample of employees has a systolic blood pressure between 123 and 139.
• B) If the sampling procedure were repeated many times, 95% of the resulting confidence intervals would contain the population mean systolic blood pressure.
• C) 95% of the population of employees has a systolic blood pressure between 123 and 139.
• D) If the sampling procedure were repeated many times, 95% of the sample means would be between 123 and 139.

Grasp the concept and applications of the erythrocyte sedimentation rate (ESR) blood test.

Identify and describe major components of blood.

Explain the process and significance of hemolysis in blood tests.

Define and differentiate between plasma, serum, and total blood volume.

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Definitions:

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including activities undertaken while working, playing, or exercising.

Vitamins

Organic compounds that are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body.

Minerals

Inorganic substances required by the body in small amounts for various functions, including bone formation and enzyme activation.

Recommended Intake

The daily amount of nutrients suggested for optimal health, as determined by health organizations.