DrZuck Wants to Study the Effectiveness of a Particular Type

question 47

Essay

Dr.Zuck wants to study the effectiveness of a particular type of back brace on patients suffering from scoliosis (curvature of the spine).He wants to locate and test the largest possible number of patients.He has obtained a grant for one million dollars and estimates the cost of locating and recruiting a patient to be $5,000.Half of the patients drop out of the study.There are two types of patients.Type A must constitute at least 50% of the study.

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Definitions:

Cerebrospinal Fluid

Cerebrospinal fluid is a clear, colorless body fluid found in the brain and spinal cord, which acts as a cushion and provides a vital function in cerebral autoregulation.

Lysosome

Membrane-bound organelles found in nearly all animal cells that use enzymes to break down waste materials and cellular debris.

Ependymal Cells

Glial cells that line the ventricles in the brain and the central canal of the spinal cord, playing a role in producing and circulating cerebrospinal fluid.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, providing mechanical protection, nourishment, and waste removal for neural tissues.