Lab Tests

Question 1

High Specificity

Answer 1

Low Chance of False Positive
High Change of True Negative

Question 2

High Sensitivity

Answer 2

Low Chance of False Negative
High Chance of True Positive

Question 3

Positive Predictive Value

Answer 3

% of positive results that are truly positive
- Chance the patient does have the disease

Question 4

Negative Predictive Value

Answer 4

% of negative results that are truly negative
- Chance the patient does not have disease

Question 5

Specificity Formula

Answer 5

True Negative / Patients without disease

Question 6

Sensitivity Formula

Answer 6

True Positive / Patients with disease

Question 7

PPV Fomula

Answer 7

True Positive / All Positive Tests

Question 8

NPV Formula

Answer 8

True Negative / All Negative Tests