- Uses of epidemiology
- Objectives of descriptive epidemiology
- Uses of mass screening
- Steps in randomized controlled trial
- Steps in a case-control study
- Steps of a cohort study
- Components of an epidemiological hypothesis
- Morbidity indicators
- Record linkage
Essay
1. As a medical officer recently recruited in a primary
health centre, you find that there is a cotton mill in your area and its
workers utilize your health services. You want to investigate whether their
health is affected by the work environment.
- What type of study design will you use
- What are the steps of such a study
- How can you analyze the data that you have collected (2+4+4=10)
2. Rahul 7th semester MBBS student while doing his community
medicine stay posting in a rural CHC, observed that there are around 25% low
birth weight among new borns during 1st quarter of 2013. He decided to find out risk
factors of low birth weight. Answer the following:
- What is the type of study design he should use if study has to be completed during the posting and mention reasons
- State the objectives of study
- Mention the methodology of study
- How will you analyze the data (2+1+5+2=10)
3. A third year MBBS student during his clinical posting
observed that many patients had leukoplakia in the oral cavity. He wanted to
find the risk factors for leukoplakia. Answer the following:
- State the objectives of the study
- What is the study design used and why
- State the methods of study
- State the methods of analysis
- What sort of errors can creep in (2+2+3+2+1=10)
4. Sanjana is a recent MBBS graduate who is working as a
medical officer in a primary health center. There a number of patients presents
to her with signs of jaundice. A local traditional medication practitioner
tells her about the usefulness of a special plant in the treatment of jaundice.
She decides to test the plant. Answer the following:
- What type of study design should she use?
- What are the steps of such a study?
- How she will analyze the data that she has gathered (2+4+4=10)
5. 10 students residing in your medical college hostel have
been admitted to the hospital in the last 4 days with jaundice. Answer the
following:
- Is it an “epidemic". Mention its reasons in support your answer
- How will you investigate the above.
- State the likely aetiological factors for the above occurrence with reasons
- List the preventive measures you will take, to prevent further occurrences (2+4+2+2=10)
6. Sunaina is a recent MBBS graduate who is working as a
medical officer in a primary health
centre. There have been a number of cases of fever from a nearby
village. The villagers suspect it is because of contaminated water in the
overhead tank that supplies parts of the village. She decides to investigate.
Answer the following:
- What type of study design should she use.
- What are the steps of such a study
- How she will analyze the data, that she has gathered. (2 + 4 + 4 =10)
7. Final MBBS students observed that, cases of cervical
cancer are admitted to the gynecology department of teaching hospital in which
they are posted. They wanted to find out the risk factors. Answer the following:
- What type of study they have to undertake.
- What is the objective of the study.
- Mention the methodology.
- How to analyze the data.
8.Dr. Meera is a medical officer in a primary health centre.
Dengue is rampart in the region. A patient brings her a strip of capsules given
to him by a local health practioner who claims that a course of this medication
will prevent thrombocytopenia. Dr. Meera decided to test the medication. Answer
the following:
- What type of study design she should use and why
- Describe in brief the steps of the study
- How will she analyze the data that she has gathered (2+4+4=10)
Differentiate between
- Objectives and goal
- Point source epidemic and common source multiple exposure epidemic
- Incidence and prevalence of a disease
