CV- Lab Tests and Values

Question 1

PaO2

Answer 1

90-100 mmHg

Question 2

PaCO2

Answer 2

35-45 mmHg

Question 3

Prothrombin time

Answer 3

11-15 sex

Question 4

PT increased

Answer 4

factor X deficiency
hemorrhagic disease
cirrhosis
hepatitis drugs (warfarin)

Question 5

PaCO2 increased

Answer 5

COPD, hypoventilation

Question 6

PaCO2 decreased

Answer 6

hyperventilation, pregnancy, PE, anxiety

Question 7

INR

Answer 7

ratio of individuals PT : 0.9-1.1

Question 8

target INR 2-3

Answer 8

DVT, PE, mechanical valves, afib, anticoagulation therapy

Question 9

WBC

Answer 9

4300-10800 cells

Question 10

increased WBC

Answer 10

infection, inflammation, hematologic malignancy, leukemia, lymphoma, corticosteroids

Question 11

decreased WBC

Answer 11

aplastic anemia, B12 or folate deficiency, with immunosuppression

Question 12

RBC males

Answer 12

4.6-6.2

Question 13

RBC females

Answer 13

4.2-5.9

Question 14

ESR males

Answer 14

<15

Question 15

ESR females

Answer 15

<20

Question 16

ESR increased

Answer 16

infection and inflammation; RA, SLE, Hodgkin’s disease

Question 17

platelet count

Answer 17

150,000-450,000

Question 18

increased platelet count

Answer 18

chronic leukemia, hemoconcentration

Question 19

decreased platelet count

Answer 19

thrombocytopenia, acute leukemia, aplastic anemia, cancer, chemotherapy

Question 20

<20,000 platelet count

Answer 20

ADLs only

Question 21

20,000-30,000 platelet count

Answer 21

light exercise only

Question 22

30,000-50,000 platelet count

Answer 22

moderate exercise

Question 23

Hgb males

Answer 23

13-18

Question 24

Hgb females

Answer 24

12-16

Question 25

Hgb considerations

Answer 25

can cause decrease exercise tolerance, increase fatigue and tachycardia