A Researcher Is Examining Potential Risk Factors in Comparison with Disease

question 33

Multiple Choice

A researcher is examining potential risk factors in comparison with disease at a specific time through collecting data regarding current exercise, sleep patterns, and current health status among 12-year-olds. Which of the following research studies would be most appropriate?

• A) Cross-sectional study
• B) Prospective study
• C) Retrospective study
• D) True experiment

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Definitions:

Filtration Membrane

A biological or synthetic membrane that acts as a selective barrier, allowing some substances to pass while blocking others, especially used in filtering substances from the blood in the kidneys.

Nephron

The basic structural and functional unit of the kidney, responsible for filtering blood and producing urine.

Glomerular Capsule

A cup-shaped structure surrounding the glomerulus in each nephron of the kidney, where filtration of blood plasma occurs.

Afferent Arteriole

A small artery that leads into the glomerulus of the kidney, where it divides into capillaries for blood filtration.