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1. Define sensitivity and specificity.
2. A cancer screening test is being applied in a population of 200 men who were also evaluated through the biopsy of tumor. 30 of the men were confirmed having cancer through biopsy. Out of these 30, 25 were also found to have cancer through the screening test. Screening test also found 15 cases to be having cancer but this was not confirmed by biopsy. Based on this information draw 2 x 2 table showing numbers in each of the 4 cells and compute sensitivity, specificity, Positive predictive value and Negative predictive values of the test for presence and absence of the disease.
3. Define positive predictive value (PPV) and negative predictive value (NPV).
4. An epidemiologist in Saudi Arabia wants to study the efficacy of iron supplementation for the prevention of HIV infection. He wants to make sure that only subjects who are free of HIV infection are enrolled in his trial. Based on the outcome of the test, he decides who could participate in his iron supplementation trail. For this purpose, it is very important that diagnostic test has high............... ........
It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.
This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.
Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.
This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.
Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?
Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.
Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.
The use of PCR and genetic approaches in biotechnology
Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.
What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?
Prepare an essay on nosocomial infection.
To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.
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