Biostatistics mcq questions and answers
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The temporal relationship between factor and outcome is known. It is often based on data on the relationship between phenomena and processes that relate to the biological characteristics of our body. Example: Suppose someone uses a compass as a guide in going from one end of the school to the other. Race can be multiple answers such as Caucasian, African American, Asian, etc which is unordered. An endemic is an occurrence of disease clealy in excess of normal expectancy.

B Mass screening is defined as the standards of care, anyone that could at risks should be screened for exposure. A indicated for extraction Correct Answer B mobility C marked recession D mucogingival involvement Ans:- A 25 The gingival indexes are reversible, just like the disease itself. Answer Write in whatever way you think appropriate. None of the above answers is correct. During the year of the floods 2008 there were 1,000 deaths from all causes. None of the above answers is correct.

Nominal data is considered unordered categories. A 1 B 2 Correct Answer C 3 D 4 Ans:- B 79 The Turesky Modification of the Quigley Hein has a range of scores of what? The branch of biostatistics that deals with methods of collection, organization and presentation of data is called as a Infererntial biostatistics b Descriptive biostatistics c both a and b d comparative biostatistics 7. Describe the disadvantages of the case control study A. Your performance has been rated as Good work! This last category is very small 49 women and the percentage is unstable. Medical record in hospital b.

If you email me any question about the course, I will add it to this page, anonymously, with my answer. A contractor employs 20 male, 15 female and 5 children in his factory. Is it enough just to mention the results? Standard deviation is the square of a mode b standard error c variance d regression 6. A Periodontal Screening and Recording B Community Periodontal Index of Treatment Needs C Gingival Bleeding Index Correct Answer D Eastman Interdental Bleeding Index Ans:- C 21 Which index is measured with bleeding on probing? None of the above answers is correct. I would suggest reporting the P value and adding a rider that this should be treated with caution due to the distributional problems. In the Navy Plaque Index, a Pocket Score of 8 means what? One of the most reliable forms of evidence will come from randomized controlled trials.

When sensitivity tests correctly identify all potential cases as either negative or positive B. Become a successful student with our professional assistance! Available at: In a study where they measured decrease in weight in 120 patients after 90 days of initiating this hypothetical drug, the mean decrease in weight was 16 pounds with standard error of mean 4. Tips for learners of evidence-based medicine: 1. If the scatter diagram is drawn and if the points come to a straight line it is an indication of a Skewness b Perfect correlation c No correlation d None of the above 312. A True B False Correct Answer Ans:- B 30 A count is a percentage method to measure oral disease. A 0-5 Correct Answer B 0-7 C 0-8 D 0%-100% Ans:- A 80 A Code 4 on the Periodontal Screening and Recording Index indicates what? Is 143 large enough and does this count for correlation coefficients? A Gingival Index B Sulcus Bleeding Index Correct Answer C Gingival Bleeding Index D Eastman Interdental Bleeding Index Ans:- B 22 Which index uses a stimudent to measure papillary bleeding? Correct Answer B is designed to test preventive measures C evaluates new treatment methods Ans:- A 97 What are randomized control trials A evaluates new treatment methods B are an experiment in which subjects in a population are randomly allocated into groups, usually called study and control groups. Simple Lin ear R egression b.

For a t test for two independent samples to be Choose two best answer s : A. Thus, in order to give our customers the best possible services, we have gathered a team of experts who have degrees and experience in dealing with different types of assignments. Accordingly mode can be greater than or less than mean or mode. An example may be possible health effects of exposure to electromagnetic fields. They know the laws of social development that determine the relevance of phenomena that helps them to be good at any topic. Harmonic Mean 16 indicates a.

Less than 50% of surfaces covered would be what category of Dean's Fluorosis? Our experts can give the best evaluation of the economic effectiveness of therapeutic and prophylactic measures that is based on the methods of economic science. The characteristics or quantity that may vary from one individual to another is called a static group b variable c dynmic group d dynamism 10. They help lead to the prevention of disease, create quantitative evaluations of intervention programs as well as determine safe and effective new drugs, and other procedures. What is the absolute risk reduction of using Rivaroxaban over Enoxaparin? While dealing with your biostatistics assignment, you may need some demographic materials on the birth rate or some other data — our experts can find any material that you need for your homework. A major branch of this is medical biostatistics, which is exclusively concerned with what? The confidence interval for the difference would exclude 0 for 5% of samples. However, if the null hypothesis were true, the two proportions in the populations would be the same.

Mathematical statistics is a branch of mathematics, and its positions are used in the study of social phenomena, taking into account and analyzing their qualitative content and specifics. Community Periodontal Index of Treatment Needs C. This is only a guide dating from the days when Fisher's exact test was possible only for two by two tables with small frequencies. The first of them defined it as a universal science that studies the quantitative phenomena of nature and society. Ans:- A 85 Describe the advantages of the case control study A The ecologic fallacy and imprecise measurement of exposure. It can be less than, greater than, equal to population parameter.

A Code 4 on the Loss of Attachment Index indicates what? I have done only one 1-sided test in my professional career. The purpose of the debugging tools is to help the programmer find unforeseen غیر متوقع، جس کی اُمید نہ ہو problems quickly and efficiently. The class width for this distribution a. Refers to the difference between the incidence rate of a disease in the exposed group and the incidence rate in the non-exposed group. Principals of Epidemiology in Public Health Practice, Third Edition: An Introduction to Applied Epidemiology and Biostatistics; Lesson 3, Section 3. In Graphs, Histogram, put Gender into Columns:. Indicated for Extraction for Ortho D.