WorksheetsFinal Exam Review 1
Total questions: 10
Worksheet time: 9mins
The conditions favorable to population screening for pre-symptomatic diagnosis of a given disease include:
i. a relatively high prevalence of the disease.
ii. availability of effective treatment.
iii. a screening test with a high degree of sensitivity.
iv. availability of physicians to perform the screening test procedure.
Which of the above statements are correct?
i., ii., and iii. Only
i. and iii. Only
ii. and iv. Only
iv. Only
i., ii., iii., and iv
The adverse consequences of using a screening test that has a low specificity include:
i. unnecessarily subjecting people to potential risks associated with diagnostic procedures
ii. overreferral of persons without disease for diagnosis
iii. increasing the number of persons who are classified as abnormal
iv. failure to identify persons who have the condition
Which of the above statements are correct?
i., ii., and iii. Only
i. and iii. Only
ii. and iv. Only
iv. Only
i., ii., iii., and iv.
One must use care in interpreting occupational differences in morbidity and mortality because:
A .good health status may be a factor for selection into a job.
B. occupations involving physical activity tend to cause heart attacks among older workers.
C. occupational stress, even in extreme situations, is difficult to quantify.
D. A, B, and C
Cohort study is to risk ratio as:
A. ecologic fallacy is to cross-sectional study
B. genetics is to environment
C. case-control study is to odds ratio
D. A and C
Which of the following examples involves indirect transmission of disease?
A.Malaria
B.Hepatitis caused by needle sticks
C.HIV/AIDS
D.Pneumoconiosis
E. A and B
The site where a disease agent enters the body is the:
A.reservoir
B.portal of entry
C.vehicle
D.portal of exit
A major advantage of cohort studies over case-control studies with respect to the role of a suspected factor in the etiology of a disease is that:
A.they take less time and are less costly.
B.they can utilize a more representative population.
C.it is easier to obtain controls that are not exposed to the suspected factor.
D.they permit direct estimation of risk of disease in those exposed to the suspected factor.
E.they can be done on a double-blind basis.
Host factors in the causation of disease include:
A.temperature and humidity
B.chemicals in the air, water, or food
C.genetic factors
D.altitude
E.all of the above
What factors comprise the epidemiologic triangle?
A. Agent
B. Host
C. Environment
D. All of the above
E. A and B only
Someone suggests immunization as a means of reducing disease, specifically the feared UJ (uderlinger jacamoodi). What part of the disease cycle is he or she trying to affect?
A.host
B.fomites
C.vector
D.vehicle
E.environment
