Nokea
Define in your own words the term 'the natural history of disease'.
- A. The progression of a disease without medical intervention.
- B. The impact of treatment on disease outcomes.
- C. The study of disease origins.
- D. The distribution of diseases in populations.
Correct Answer: A
Rationale: The natural history of disease refers to the course a disease takes in the absence of medical intervention, from onset to resolution.
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What is the incidence of disease during July?
- A. 3 / 700
- B. 4 / 700
- C. 5 / 700
- D. 8 / 700
Correct Answer: A
Rationale: Incidence counts only new cases during a time period.
Define the following terms: Controlled clinical trial
- A. A study where all participants receive the same treatment.
- B. A trial comparing an intervention against a control group.
- C. A trial without any specific hypotheses.
- D. A trial conducted without ethical approval.
Correct Answer: B
Rationale: Controlled clinical trials compare interventions to a control to establish causality.
In any programme target refers to:
- A. set of activities
- B. objective of programme
- C. degree of achievement
- D. evaluation to be done
Correct Answer: C
Rationale: Targets in programs refer to the degree or level of achievement expected.
Horizontal line drawn from 50% tick mark to plotted curve intersects at median
- A. Cumulative frequency curve
- B. Survival curve
- C. Both
- D. Neither
Correct Answer: A
Rationale: This feature describes cumulative frequency curves where the median is identified.
Does notifiable disease surveillance focus on both morbidity and mortality?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Notifiable disease surveillance typically covers both morbidity and mortality related to the listed diseases.