Question
State whether the following statements are True or False. Give reason in support of your answer:
(a) Equality of slopes is the basic requirement for the parallel-line assay.
(b) The quantal assay is applicable when the response is the percentage of subjects who responded to a treatment at different doses.
(c) A complete life table is more elaborate than an abridged life table.
(d) Primary prevention includes strategies designed to reduce the incidence of disease.
(e) In Phase II of a clinical trial, we determine a safe dosage range and identify potential side effects.
Answer :
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Skip in 10
(a) True. Equality of slopes is essential in a parallel-line assay because it ensures that the dose-response relationship is consistent across different preparations, allowing valid comparison of potency. (b) True. Quantal assays are used when the response is binary (e.g., alive/dead, success/failure) and expressed as the percentage of subjects responding at each dose, making it suitable
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