Laboratory Diagnostics BLOCK 6

Question 1

What do laboratory diagnostics test for

Answer 1

Test body fluids for bio chemicals/ hormones/ drugs

Question 2

What is the routine chemistry in blood test

Answer 2

• glucose
• calcium
• proteins
• electrolytes
• kidney test
• liver tests
• cardiac tests
• lipid panel

Question 3

What is tested for diabetes in blood

Answer 3

Glucose mellitus

Question 4

What is part of BMP?

Answer 4

Glucose
Calcium
Electrolytes
Kidney tests

Question 5

What detects renal function in blood test?

Answer 5

BUN/creatinine (creatinine better)

Question 6

What detects liver damage in blood

Answer 6

ALT, AST, ALP

Question 7

What detects liver function in liver

Answer 7

Bilirubin

Question 8

What does it mean when there is increased bilirubin in blood

Answer 8

Decreased function

Question 9

What are parts of the CBC

Answer 9

• WBC
• hemoglobin and hematocrit
• RBC
• platelet count
• WBC differential

Question 10

Increased WBC in blood count

Answer 10

Infection/inflammation

Question 11

Decreased hemoglobin and hematocrit in CBC

Answer 11

Anemia

Question 12

What does neutrophilia in CBC detect?

Answer 12

Bacterial infection

Question 13

What does lymphocytosis suggest in CBC

Answer 13

Viral

Question 14

What does eosinophilia suggest in CBC

Answer 14

Allergies or worms

Question 15

Blood disorders

Answer 15

• anemia
• polycythemia
• leukemia
• thrombocytopenia

Question 16

What happens when there is a 4x change or more in titers?

Answer 16

Acute

Question 17

Tests for antigens and antibodies

Answer 17

IgM (acute)

IgG (convalescent)

Question 18

What does it mean if Anti-HBs is present in blood

Answer 18

They are vaxxed

Question 19

What is the only Ab that protects from Hep-B?

Answer 19

Anti-Hbs

Question 20

What clears when someone is immunized for Hep-B

Answer 20

Anti-HBsAg

Question 21

What slows Hep B?

Answer 21

Anti-HBeAg

Question 22

What PROVES Hep B infection

Answer 22

Anti-HBcAg

Question 23

What is the only condition where treatment comes from blood bank and not pharmacy?

Answer 23

Hemophilia A, factor 8

Question 24

What are the only numbers that should show up in a healthy CBC

Answer 24

Specific gravity and pH

Question 25

What is the most common finding in urinalysis for UTI?

Answer 25

Leukocyte esterase

Question 26

What all could you see in UTI CBC?

Answer 26

- leukocyte esterase - WBC - blood - protein - nitrite Amount present does not determine how bad infection is

Question 27

What does presence of ketones indicate in CBC

Answer 27

Diet/starvation indicator

Question 28

Reliability of medical tests

Answer 28

All medical tests are flawed

Question 29

Positive and sick

Answer 29

True positive

Question 30

Positive and healthy

Answer 30

False positive

Question 31

Healthy

Answer 31

True negative

Question 32

Sick and test says otherwise

Answer 32

False negative

Question 33

Accuracy

Answer 33

Is it correct

Question 34

Is this reproducible?

Answer 34

Precision

Question 35

Sensitivity

Answer 35

Sick people

Question 36

Specificity

Answer 36

Heathy people

Question 37

Disease is present and test is negative

Answer 37

False negative

Question 38

Disease is present and test is positive

Answer 38

True positive

Question 39

Disease absent, tests positive

Answer 39

False positive

Question 40

Disease absent, lab test negative

Answer 40

True negative

Question 41

Sensitivity about _______ people testing ________

Answer 41

Sick people testing positive

Question 42

What is the equation for sensitivity

Answer 42

TP/(those with disease)= TP/(TP + FN)

Question 43

Specificity is about ______ people testing _________

Answer 43

Healthy people testing negative

Question 44

Equation for specificity

Answer 44

TN/(TN +FP)