Performance Testing (Low Priority)

Descrição

Medical Microbiology (Basics) Quiz sobre Performance Testing (Low Priority), criado por gina_evans0312 em 15-04-2014.
gina_evans0312
Quiz por gina_evans0312, atualizado more than 1 year ago
gina_evans0312
Criado por gina_evans0312 aproximadamente 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
Sensitivity- Ability of test to correctly identify those with disease x
Responda
  • True
  • False

Questão 2

Questão
What is the equation for sensitivity?
Responda
  • (a/a+c) x 100
  • (a/a+b) x 100

Questão 3

Questão
Specificity
Responda
  • Ability of new test to correctly identify those without disease
  • Test that best predicts disease prevalence
  • Probability that person with +ve result has disease

Questão 4

Questão
The gold standard is the test that best predicts disease prevalence
Responda
  • True
  • False

Questão 5

Questão
Negative predictive value (probability that person with -ve result has the disease) =?
Responda
  • (d/c+d)
  • (d/b+d)

Questão 6

Questão
When identifying people with a very high risk disease, what tests do you use, and in what order?
Responda
  • First one that's highly sensitive (so we don't miss anyone who does have it) and then one that's highly specific to remove those that don't
  • First one that's highly specific (to not worry people who don't have it unecessarily) then one that's highly sensitive

Questão 7

Questão
Prevalence = Those with disease/Total population
Responda
  • True
  • False

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