BS Nursing Epidemiology
nmdcat.online June 6, 2026

30. A clinical research study is designed to assess the long-term impact of childhood lead exposure on cognitive development in adults. What technical study design would be most appropriate?

A. Case-control study.
B. Cross-sectional study.
C. Prospective cohort study.
D. Randomized controlled trial.

📖 Additional Information

  • Case-control study.
  • Cross-sectional study.
  • Prospective cohort study.
  • Randomized controlled trial.

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