Practice NRE Medical Step I questions with answers and explanations.
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Glycogen phosphorylase is an enzyme that releases glucose-1-phosphate from glycogen during glycogenolysis.
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HMG-CoA reductase is the rate-limiting enzyme in endogenous cholesterol synthesis.
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DNA polymerase is an enzyme that synthesises DNA using a template strand and requires a primer.
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Incidence is the occurrence of new cases in a population at risk during a defined period.
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Prevalence is the proportion of a population that has a condition at a specified time or period.
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Sensitivity is the ability of a test to correctly identify people who have the disease.
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Specificity is the ability of a test to correctly identify people who do not have the disease.
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Relative risk is a ratio comparing disease risk in an exposed group with risk in an unexposed group.
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Half-life is the time required for the plasma concentration of a drug to fall by one half.
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Therapeutic index is a measure comparing toxic and effective doses and indicating a drug safety margin.
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Loading dose is an initial larger dose used to achieve a target concentration rapidly.
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ACE inhibitor is a drug class that reduces angiotensin II formation and may cause cough or hyperkalaemia.
