Intro

Question 1

What are 5 reasons for obtaining blood tests

Answer 1

1. Establish Dx
2. Rule out a problem
3. Monitor therapy
4. Establish prognosis
5. Screen for disease

Question 2

What are the 4 possible outcomes of a Lab Dx Test

Answer 2

1. True positive
2. False positive
3. True negative
4. False negative

Question 3

In Lab Dx Tests, what two factors do you want the tests to be in a high percentage?

Answer 3

Sensitivity & specificity

Question 4

If a person has a disease, how often will the test be positive (true positive rate)

Answer 4

Sensitivity

Question 5

____ Test helps rule out disease

Answer 5

Sensitive

Question 6

If a person does not have a disease how often will the test be negative (true negative rate)

Answer 6

Specificity

Question 7

_____ Test rules IN disease with a high degree of confidence

Answer 7

Specificity

Question 8

True positives / (true positive + false negative)

Answer 8

Sensitivity

Question 9

True negative / (true negative + false positive)

Answer 9

Specificity