Module 5 Public Health

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Assignment

Public Health

Module 5

Total: 100 Marks

Answer the following questions. Each question carries 20 marks.

Question. 1. Describe arthropod control measures.

Answer: Biological control has been defined as the "actions of parasites, predators, and pathogens in maintaining another organism's density at a longer average than would occur in their absence". Some scientists would include host plant resistance, autocidal control, and pheromones under the category of biological control, but, while these biorational approaches to pest control have a biological basis, many investigators do not consider them to be biological control. Generally, biological control has been achieved by the use of one of




Question. 2. Define epidemiology. Elaborate basic steps of investigations of an epidemic?

Answer: Epidemiology is the study and analysis of the patterns, causes, and effects of health and disease conditions in defined populations. It is the cornerstone of public health, and shapes policy decisions and evidence-based practice by identifying risk factors for disease and targets for preventive healthcare. Epidemiologists help with study design, collection, and statistical analysis of data, amend interpretation and dissemination of results (including peer review and occasional systematic review). Epidemiology has helped develop




Question. 3. Describe various occupational health hazards and it's prevention.

Answer: Occupational safety and health (OSH), also commonly referred to as occupational health and safety (OHS), occupational health, or workplace health and safety (WHS), is a multidisciplinary field concerned with the safety, health, and welfare of people at work. These terms of course also refer to the goals of this field, so their use in the sense of this article was originally an abbreviation of occupational safety and health program/department etc.





Question. 4. Write short note on:

a. Types of Epidemiological studies

Answer: The study of disease distributions in the populations and the factors that influence this distribution is called as Epidemiology. In simple words, it is the study of the frequency with which diseases affect different groups of people and the reasons why they occur. Epidemiology has been quite helpful in determining and measuring the health hazards of smoking cigarettes or exposure to materials like asbestos. In this article, you will learn about the


b. Concepts of prevention

Answer: The goals of medicine are to promote and to preserve health, to restore health when it is impaired, and to minimize suffering and distress.
The first and second of these goals are embodied in the word "prevention" which for simplicity is often divided into three levels. Note that this is a simplification, but it is a useful place to begin:

Primary prevention is concerned with preventing the onset of disease; it aims to reduce the incidence of disease. It involves


Question. 5. A) Multiple Choice Questions

Question. a. Case — control studies
i. Proceeds backward to cause
ii. Proceeds from cause to effect
iii. None of the above

Answer




Question. b. Which is the third most common cause of death in under 5 children in India?
i. Malaria
ii. Polio
iii. Tuberculosis
iv. Diarrhoea

Answer:




Question. c. Discarded medicines and cytotoxic drugs comes under which category of Bio-medical waste?
i. Category1
ii. Category 5
iii. Category 7
iv. Category 4

Answer:




Question. d. DDT is applied as residual spray in the dosage of:
i. 200-300 mg/ sqft                                     
ii. 50-100 mg /sqft
iii. 100-200 mg / sqft
iv. 200-500 mg I sqft


Answer:



Question. e. Effective size of sand in rapid sand filter is:
i. 0.1-0.3 mm
ii. 0.4- 0.7mm
iii. 3-4 mm
iv. 1-2 mm

Answer:





Question. f. Two types of radiation:
i. Ionizing and non-ionizing
ii. X-ray and ultrasound
iii. CT scan and echocardiography
iv. ECG and EMG

Answer



Question. g. The disinfectant action of chlorine is mainly due to:
i. Hypochlorite ion
ii. Hypochlorous acid
m. Hydrochloric acid

Answer:




Question. h. Following are measures of mortality data except:
i. Crude death rate
ii. Secondary attack rate
iii. Case fatality rate
iv. Proportional mortality rate

Answer:




Question. i. pH of drinking water source after conventional treatment and disinfection should be:
i. 6.5-8.5
ii. 6.0-8.5
iii. 6-9
iv. None of the above

Answer



Question. j. Efficacy of pasteurization of milk is tested by:

i. Horrocks test
ii. OT test
iii. Phosphatase test
iv. Widal test

Answer:
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