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Q. Can you explain Bayesian Theorem?
Bayesian Theorem:
The predictive value of a test is related to the incidence of disease in the population. A history of typical angina in persons older than 30 is associated with at least an intermediate probability of CAD. Most accurate results are in patients with intermediate probability of CAD. A 50 years old man or 60 years old woman with a typical or probable angina has a 50 per cent probability of CAD. In low pre-test false positivity is higher. In high pre-test false negativity is higher.
Diagnostic uses: Sensitivity is 68 per cent and specificity is 77 per cent. In case of single vessel disease the sensitivity is 25 to 71 per cent and it is frequently associated with LAD followed by RCA and circumflex. In case of multivessel CAD the sensitivity is 81 per cent and the specificity is 66 per cent. In case of left main or TVD the sensitivity is 86 per cent and specificity is 53 per cent. Mostly lead V4 to V6 are specific for changes.
Structure-activity relationships Structure-activity relationships may be useful to increase the weight-of-evidence or human health hazards identification. Where classes of comp
What is Polymerase Chain Reactionin genetics? A great advance in sequencing and cloning DNA is the polymerase chain reaction, devised by the American biochemist Kary Mullis in
1. Transcriptional analyses of eukaryotic cells reveal widespread production of RNA. Using specific examples describe how: a) microRNAs are able to influence gene expression.
A fish of genotype a/a; B/b is crossed to a fish whose genotype is A/a; B/b. What proportion of the progeny will be heterozygous for at least one of the genes? (Assume independent
What are diseases of the connective tissue? What are some of them? Diseases of the connective tissue are hereditary or acquired diseases(lots of autoimmune cause) characterized
Formation of Blastopore The slit such as opening of the initial groove is the opening of the developing blastopore and its dorsal rim is termed as the dorsal lip of blastopor
Syngamy The pollen tube grows to a very limited extent in the synergid. It releases the contents either through a terminal or a subterminal pore. The contents include the two
How do you prevent food borne infection? Prevention of Food borne infections: Avoid consumption of contaminated foods and water Eat properly cooked foods Wash
are viruses cellular organisms
biting mechanism in snakes
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