Hematology

Question 1

Bleeding Time

Answer 1

1.5–9.5 min

Question 2

Fibrinogen

Answer 2

200–400 mg/dL

Question 3

Activated Partial Thromboplastin Time (aPTT) Lower Limit

Answer 3

20–25 sec

Question 4

Activated Partial Thromboplastin Time (aPTT) Upper Limit

Answer 4

32–39 sec

Question 5

Prothrombin Consumption

Answer 5

10–14 sec

Question 6

Prothrombin Time

Answer 6

9.5–12 sec

Question 7

International Normalized Ratio (INR)

Answer 7

1.0

Question 8

International Normalized Ratio (INR) for the therapy in atrial fibrillation (AFib), deep vein thrombosis (DVT), and pulmonary embolism

Answer 8

2.0–3.0

Question 9

International Normalized Ratio (INR) for therapy in prosthetic heart valves

Answer 9

2.5–3.5

Question 10

Erythrocyte Count (RBC) for males

Answer 10

4.6–6.2 million/mm³

Question 11

Erythrocyte Count (RBC) for females

Answer 11

4.2–5.4 million/mm³

Question 12

Mean Corpuscular Volume in or Mean Cell Volume (MCV)

Answer 12

84–96 cu. µm

Question 13

Mean Corpuscular Hemoglobin (MCH)

Answer 13

28–33 µg/cell

Question 14

Mean Corpuscular Hemoglobin Concentration (MCHC)

Answer 14

33–35%

Question 15

Erythrocyte Sedimentation Rate (ESR) for males <50 (Westergren Method)

Answer 15

< 15 mm/h

Question 16

Erythrocyte Sedimentation Rate (ESR) for males >50 (Westergren Method)

Answer 16

< 20 mm/h

Question 17

Erythrocyte Sedimentation Rate (ESR) for females <50 (Westergren Method)

Answer 17

< 25 mm/h

Question 18

Erythrocyte Sedimentation Rate (ESR) for females >50 (Westergren Method)

Answer 18

< 30 mm/h

Question 19

Erythrocyte Sedimentation Rate (ESR) for <50 y/o (Zeta centrifuge)

Answer 19

< 55%

Question 20

Erythrocyte Sedimentation Rate (ESR) for 50–80 y/o

Answer 20

40–60%

Question 21

Hematocrit for males

Answer 21

42–52%

Question 22

Hematocrit for females

Answer 22

35–47%

Question 23

Hemoglobin for males

Answer 23

13–18 g/dL

Question 24

Hemoglobin for females

Answer 24

12–16 g/dL