Gce Model Questions Vol1 2020 Biology Question 47

Practice objective / multiple choice question 47 from the 2020 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2020 Biology Objective / Multiple Choice Hard Difficulty
Question 47 GCE_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • objective

In a population study the following data were recorded for two infectious diseases.\n\nDisease X: children (0-14 yr) - 200 cases, 4 deaths; adults (≥15 yr) - 800 cases, 40 deaths.\nDisease Y: children - 150 cases, 3 deaths; adults - 850 cases, 68 deaths.\n\nTo compare the severity of the diseases the case‑fatality rates (CFR) are standardised to a reference population in which \(30\%\) are children and \(70\%\) are adults. Calculate the directly standardised CFR for each disease and indicate which disease has the higher standardised CFR.

Answer Options

A. Standardised CFR - Disease X: 4.5 %; Disease Y: 5.5 %. Disease X has the higher standardised CFR.
B. Standardised CFR - Disease X: 4.0 %; Disease Y: 6.0 %. Disease Y has the higher standardised CFR.
C. Standardised CFR - Disease X: 3.8 %; Disease Y: 5.9 %. Disease Y has the higher standardised CFR.
Correct Answer D. Standardised CFR - Disease X: 4.1 %; Disease Y: 6.2 %. Disease Y has the higher standardised CFR.
Correct Answer
D
Correct Option:
Standardised CFR - Disease X: 4.1 %; Disease Y: 6.2 %. Disease Y has the higher standardised CFR.

About This Question

This is Gce Model Questions Vol1 2020 Biology Question 47. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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