When testing for medical conditions, when is high specificity ...

[fnuegbu]

When testing for medical conditions, when is high specificity most desired?
 
  A) When a false positive might cause harm
  B) When the condition is both serious and treatable, and a false positive and false negative are equally injurious
  C) When the suspected medical condition is serious but not treatable, and a false positive can cause harm
  D) When the suspected medical condition is serious and treatable, and a false positive does not have harmful consequences

Question 2

Why is it important to standardize the results of a prothrombin time (PT) test?
 
  A) To account for the wide variation in commercial preparations of thromboplastin and the differences in instrumentation
  B) To introduce a proportionality constant that ensures the results will fit onto the standard curve
  C) To eliminate interference by anticoagulant drugs
  D) None of the above

[kxciann]

Answer to Question 1

C

Answer to Question 2

A