IGNORE LAB TESTS

Question 1

4 parts of basic understanding of lab test

Answer 1

1. Values
2. Variations
3. Interpretation
4. Implications for therapy

Question 2

3 purposes of lab tests

Answer 2

1. Screening
2. Diagnosis
3. Monitoring

Question 3

2 categories of blood test counts

Answer 3

Hematology and chemistry

Question 4

Provides info about blood cells - WBC, hematocrit, platelets

Answer 4

Hematology

Question 5

Data about plasma - cholesterol, triglycerides, creatinine, BUN, glucose, thyroid level

Answer 5

Chemistry (blood test component)

Question 6

One of the most commonly ordered tests - does not test cell function

Answer 6

CBC complete blood count

Question 7

Determines the actual number of blood elements in relation to volume

Answer 7

CBC

Question 8

4 main components of CBC

Answer 8

Red cell count
Hemoglobin
Hematocrit
White cell count

Question 9

These function to carry O2 from the lungs to tissues and transfer CO2 from tissues to lungs

Answer 9

RBCs

Question 10

% of whole blood occupied by RBCs

Answer 10

Hematocrit

Question 11

Indicator of the severity of anemia or polycythemia and monitors response to treatment

Answer 11

Hgb levels in CBC

Question 12

Volume of hgb in each RBC

Answer 12

MCV mean corpuscular volume

Question 13

Weight of hgb in each RBC

Answer 13

MCH; mean corpuscular hgb

Question 14

Proportion of hgb contained in each RBC

Answer 14

MCHC mean corp hgb concentration

Question 15

Inflammatory marker

Answer 15

Sed rate

Question 16

Inflammation makes RBCs _____________

Answer 16

Heavier

Question 17

Used as an index of MS dysfunction

Answer 17

Sed rate

Question 18

Seen in pregnancy due to increased plasma volume

Answer 18

Relative anemia

Question 19

Increase in the number of RBC

Answer 19

Polycythemia

Question 20

Polycythemia is a response to a decrease in the ___________; commonly seen in pts with _________

Answer 20

PaO2

COPD

Question 21

Polycythemia pts are at increased risk of this. Why?

Answer 21

Stroke and thrombosis; increased viscosity of blood

Question 22

Function in the immune response

Answer 22

Leukocytes (WBCs)

Question 23

Markers of inflammatory process

Answer 23

WBCs

Question 24

2 ways to measure WBCs

Answer 24

Total number

Differential count

Question 25

Too many WBCs causes

Answer 25

Autoimmune response, inflammation

Question 26

Term for increased WBCs

Answer 26

Leukocytosis

Question 27

Term for decreased WBCs

Answer 27

Leukopenia