DrLen Wants to Determine Whether or Not Dextrin Causes People

question 6

Multiple Choice

Dr.Len wants to determine whether or not dextrin causes people to lose weight.He gives 10 subjects dextrin and 10 subjects a placebo.He measures their weight every day (since weight seems to fluctuate daily) until the experiment is discontinued (after 4 weeks) .In Dr.Len's study what are some disadvantages with using this particular design?

• A)significant amount of variance in subjects occurs
• B)carry-over effects
• C)a large subject pool is needed
• D)Both a & c
• E)All of these

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Definitions:

Patient Charts

Records maintained by healthcare professionals that document a patient's medical history, treatments, and current condition.

Medical Assistant

A healthcare professional who supports medical practitioners by performing various administrative and clinical tasks.

Medical History

A record of a person’s past health conditions, treatments received, and medical procedures undergone, critical for informing current medical care.

Health Record

A comprehensive record of a patient's medical history and care, including diagnoses, treatments, tests, medications, and other pertinent health information.