7/30/2019 Past Year Questions for the Epidemiology Course

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Past year questions for the Epidemiology courseQ1) Ordinal scale is defined when the data that can only be placed into categories, without

any inherent order

a) True

b) False

Q2) Presence or absence of edentulism is best measured by:

a) Nominal scale

b) Ordinal scale

c) Interval scaled) Ratio scale

Q3) DMF (sound, decayed, missing, filled) index is an example of:

a) Nominal scale

b) Ordinal scale

c) Interval scale

Q4) Data of 2 unordered categories (present/absent, yes/no, alive/dead) is belong to

a) Nominal scale

b) Ordinal scalec) Interval scale

Q5) The following examples are related to Collecting of data to describe normal biological

processes except:

a) Height of a human being

b) Blood groups

c) Times and order of teeth eruption

d) Population utilization of health care

Q6) Validating the effectiveness of treatment of new and traditional techniques is related to

which function of epidemiology:

a) Testing hypotheses for the prevention and control of disease through special studies in

populations

b) Identifying the determinants of disease

c) Measuring the distribution of diseases in population

d) Planning and evaluating health care services

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Q7) The followings are related to the relationship of epidemiology and the Practitioner

a) A practitioner can generalize the results of his own individual patient's treatment to thepopulation at large

b) Knowledge of risk factors is important to the practitioner.

c) Diagnosis and treatment planning decisions based on epidemiological knowledge

d) The scientific basis of preventive procedures comes from epidemiology

QQ88)) EExxaammpplleess ooffpprrooppoorrttiioonn iinncclluuddee tthhee ffoolllloowwiinngg eexxcceepptt::

a) The extent of periodontal condition

b) Annual incidence of oral cancer

cc)) TThhee pprreevvaalleennccee ooffccaarriieess aammoonngg sscchhoooollcchhiillddrreenn

dd)) PPrreevvaalleennccee ooffttoottaall ttooootthh lloossss iinn aadduullttss

Q9) The method of measurement of oral condition include using count, proportion, rate or

index

a) Yes

b) No

QQ1100)) TThhee iinnddeexx mmuusstt mmeeaassuurree wwhhaatt iitt iiss iinntteennddeedd ttoo mmeeaassuurree,, tthhiiss pprrooppeerrttyy mmeeaannss::

a) Reliability

b) Sensitivity

c) Validity

d) Consistency

Q11) Example of irreversible index include the following except

a) Restored dental caries

b) Aphthous ulceration

c) Tooth loss

d) Fluorosis

Q12) Which one of the following statements is not true regarding scales?

a) Nominal scale is simply giving numbers to different conditions

b) The measurement that lists conditions in some order of severity is ordinal scale.

c) Example of interval scale is gingival index.

d) Ratio scale is the same as interval scale but has a true 0 value.

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Q13) Which statement of the following is incorrect?

a) The DMF index can be misleading in childrenb) DMF index provide assessment of the number of teeth at risk

c) The DMF index can overestimate caries experience in teeth with "preventive restorations

d) DMF cannot be used for root caries

Answers

Questionnumber

Answer

1 b) false

2 a) nominal scale

3 a) nominal scale

4 a) nominal scale

5 d) Population utilization of health care

6 d) Planning and evaluating health care services

7 a) A practitioner can generalize the results of his own individual patient'streatment to the population at large

8 b) Annual incidence of oral cancer9 a) Yes

10 c) Validity

11 b) Aphthous ulceration

12 a) Nominal scale is simply giving numbers to different conditions

13 b) DMF index provide assessment of the number of teeth at risk