Neco Model Questions Vol1 2022 Biology Question 42

Practice objective / multiple choice question 42 from the 2022 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2022 Biology Objective / Multiple Choice Hard Difficulty
Question 42 NECO_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • objective

In a community survey of 2000 individuals, 600 are smokers and 1400 are non‑smokers. Among smokers, 90 develop lung disease; among non‑smokers, 70 develop lung disease. (a) Calculate the relative risk (RR) of lung disease for smokers compared with non‑smokers. (b) What percentage of lung disease cases among smokers is attributable to smoking (attributable risk percent, AR\%)?

Answer Options

A. Relative risk = 4; Attributable risk percent ≈ 75%
B. Relative risk = 3.5; Attributable risk percent ≈ 70%
Correct Answer C. Relative risk = 3; Attributable risk percent ≈ 66.7\%
D. Relative risk = 2.5; Attributable risk percent ≈ 60%
Correct Answer
C
Correct Option:
Relative risk = 3; Attributable risk percent ≈ 66.7\%

About This Question

This is Neco Model Questions Vol1 2022 Biology Question 42. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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