Interpreting Lab Results

Question 1

Semi quantitative test results are

Answer 1

Negative
Positive with ranges

Question 2

What do quantitative tests provide?

Answer 2

Provide actual values

Question 3

Getting the right value

Answer 3

Accuracy

Question 4

Getting the same value every time

Answer 4

Precision

Question 5

What are calibrating devices necessary for?

Answer 5

Assure most accurate and precise measurements

Question 6

What is the accuracy range?

Answer 6

2 standard deviations

Question 7

How many tests need to be performed to assess accuracy and precision?

Answer 7

3-5 tests

Question 8

Statistically derived numerical range obtained by testing a sample of individuals in the laboratory area

Answer 8

Reference range

Question 9

A spurious lab value is a _____ lab value

Answer 9

False

Question 10

What 2 things can falsely elevate BG?

Answer 10

Acetaminophen and CGM’s

Question 11

What 2 drugs can cause false positive reactions for amphetamines in urine drug screens?

Answer 11

1. Ranitidine
2. Labetalol

Question 12

What 2 drugs can falsely prolong or elevate prothrombin time and INR?

Answer 12

1. Daptomycin
2. Telavancin

Question 13

Treat the ____ not the ____

Answer 13

Patient; labs

Question 14

For high critical values it needs to be __-__x ULN

Answer 14

2;3

Question 15

What are the most common specimen samples? 6

Answer 15

1. Saliva
2. Hair
3. Exhaled air
4. Urine
5. Blood
6. Sweat

Question 16

Reliability of a test to determine a positive result

Answer 16

Sensitivity

Question 17

Reliability of a test to determine a negative result

Answer 17

Specificity

Question 18

Assessment of a tests reliability that is derived from a test’s sensitivity, specificity, and prevalence of the disease in the tested population

Answer 18

Predictive value

Question 19

Predictive value increases with increasing ______ prevalence

Answer 19

Disease