A sample of 30 biology questions

Question 1

Which of the following is not usually an aim of epidemiology?


Question 2

Which of the following activities characterizes a clinical approach (as opposed to an epidemiologic approach)?


Question 3

Which of the following activities characterizes an epidemiologic approach (as opposed to a clinical approach)?


Question 4

The Epidemic Intelligence Service (EIS) is responsible for (give the best  ):


Question 5

Cyclic variations in the occurrence of pneumonia and influenza mortality may reflect:


both A and B Question 6

John Snow, author of Snow on Cholera:


Question 7 In the Yearly Mortality Bill for 1632, consumption referred to:


Question 8

Indicate the level of prevention that is represented by nutritional counseling for pregnant women


Question 9

In 1900, the death rate per 100,000 members of the population for influenza and pneumonia (I & P) was 202.2; it was 22.4 in 2003. How much did the death rate due to I & P decline?


Question 10

Indicate the level of prevention that is represented by screening for breast cancer

Question 11

Using epidemiology for operational research involves:

Question 12

The difference between primary and secondary prevention of disease is:


Question 13

Indicate the level of prevention that is represented by half-way houses for persons recovering from addiction

Question 14

Indicate the level of prevention that is represented by pasteurization of milk

Question 15

An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,000 (during the midpoint of the year), produced the following data for a particular year:

Number of skaters in Metroville during any given month 12,000 Roller-skating injuries in Metroville 600 Total number of residents injured from roller-skating 1,800 Total number of deaths from roller-skating 90 Total number of deaths from all causes 900

The cause-specific mortality rate from roller-skating was:

Question 16

Blood pressure measurements on adult males 30-39 years of age were obtained in a survey of a representative sample of Twin Cities households. To compare the frequency of hypertension in the white and non-white population surveyed, the most appropriate measure is the:

Question 17

Determining workload and planning the scope of facilities and manpower needs, particularly for chronic disease. Is this a use for incidence or prevalence data?

Question 18

Estimating the frequency of exposure. Is this a use for incidence or prevalence data?


The risk of acquiring a given disease during a time period is best determined by:


Question 20

To express the burden or extent of some condition or attribute in a population. Is this a use for incidence or prevalence data?

Question 21

The fundamental tool for etiologic studies of both acute and chronic diseases. Is this a use for incidence or prevalence data?


Question 22

Beach City has a rising population of 500,000 robust, fertile males and 450,000 robust, fertile females. If there were 4,000 live births, 3 fetal deaths, and 40 maternal deaths, what is the crude birth rate?

Question 23

Age-specific and age-adjusted mortality rates by sex in the United States generally show the following sex differences:


Question 24

A null hypothesis is most similar to which of the following?


Question 25

Reasons for gender differences in mortality may include:


Lung cancer mortality among women is increasing faster than among men. What factor(s) would most likely account for this increased cancer rate?

Men are smoking more Question 27

Descriptive epidemiology has the following characteristics (Choose the incorrect option):


Question 28

Studies of nativity and migration have reported that:


Question 29 Which of the following statements most accurately expresses the downward-drift hypothesis for schizophrenia?


Question 30

Which of Mill’s four canons suggests that there is an association between frequency of disease and the potency of a causative factor?



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