Gce Model Questions Vol1 2021 Biology Question 3

Practice objective / multiple choice question 3 from the 2021 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2021 Biology Objective / Multiple Choice Hard Difficulty
Question 3 GCE_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • objective

In a 10‑year cohort study of 2000 individuals, 800 were smokers and 1200 were non‑smokers. By the end of the study, 120 smokers and 30 non‑smokers had developed lung cancer. (a) Calculate the relative risk (RR) of lung cancer for smokers compared with non‑smokers. (b) Determine the attributable risk percent among the exposed (smokers). (c) Compute the population attributable risk percent for the whole cohort.

Answer Options

A. RR = 7.0; AR% ≈ 85.7%; PAR% ≈ 70.0%
B. RR = 5.0; AR% ≈ 80.0%; PAR% ≈ 60.0%
C. RR = 4.0; AR% ≈ 75.0%; PAR% ≈ 55.0%
Correct Answer D. RR = 6.0; AR% ≈ 83.3%; PAR% ≈ 66.7%
Correct Answer
D
Correct Option:
RR = 6.0; AR% ≈ 83.3%; PAR% ≈ 66.7%

About This Question

This is Gce Model Questions Vol1 2021 Biology Question 3. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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