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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