Question 1 The time between the inoculation of disease and the appearance of symptoms is the:
1.2 /1.2 points
Prodromal period
O Presusceptibility period O Recovery period
O Incubation period
View Feedback
Question 2 The outbreak of typhoid in connection with Typhoid Mary led to which epidemiologic findings?
1.2 /1.2 points
O The importance of tracking disease carriers O The use of antibiotics for treating typhoid O The use of exercise for treating typhoid
O The importance of handwashing to prevent disease
View Feedback
Question 3 1.2 /1.2 points Designing an a priori experimental study to study the effects of alcohol consumption on preterm birth for first-time mothers would be considered unethical. Why?
O It would involve asking mothers who have already had babies about their alcohol consumption during pregnancy OIt would involve randomly assigning pregnant women to groups assigned to consume different amounts of alcohol and then following through delivery to observe the rate of preterm birth in each group OiIt would involve asking mothers during their pregnancy about their alcohol consumption behaviors
O It would involve asking mothers about their alcohol consumption before and after pregnancy
D View Feedback
Question 4 Chemotherapy is a part of tertiary prevention measures for someone diagnosed with cancer
1.2 /1.2 points
OTrue OFalse
View Feedback
Question 5 The Tuskegee syphilis study was one reason why the institutional review board was established OTrue OFalse
1.2 /1.2 points
D View Feedback
Question6 1.2/1.2 points An object such as a piece of clothing.a door handle,or a utensil that can harbor an infectious agent and is capable of being a means of transmission is:
Vchicle Reservoir O Carrier OFomite
View Feedback
Question7 Observational studies arc better at determining cause than expcrimental studics
0/1.2points
True False
D View Feedback
Question8 1.2/1.2 points Statistical associations,biologic credibilitysequence of eventsand consistency among studies are all ways epidemiologists establish causal associations.
True False
Vicw.Fecdback
Question9 1.2 / 1.2 points An after-school program was established to provide struggling elementary students with free tutoring. The program was located far from the school, making it difficult for the students to engage in the program. This program is said to:
Be efficacious O Lack elaborateness OBe effective Lack effectiveness
D View Feedback
Question 10
1.2/1.2 points
What rate is defined as new cases occurring within a short period,divided by the total population at risk at the beginning of tha period and multiplied by 100?
O Person-time rate
OIncidence density'rate
O Mortality rate OIncidence rate
DView Feedba