HAEMATOLOGY

Question 1

RBC

Answer 1

4.5–5.9 × 10^12 cells/L
4.1–5.1 × 10^12 cells/L

Question 2

Hemoglobin

Answer 2

Males: 14–17.5 g/dL
Females: 12.3–15.3 g/dL

Question 3

Hematocrit

Answer 3

Males: 42–50%
Females: 36–45%

Question 4

MCV

Answer 4

80–96 fL/cell

Question 5

MCH

Answer 5

27–33 pg/cell

Question 6

MCHC

Answer 6

33.4–35.5 g/dL

Question 7

Reticulocyte count

Answer 7

0.5–2.5% of RBCs

Question 8

RDW

Answer 8

11.5–14.5%

Question 9

WBC

Answer 9

4.4–11.3 × 10^9 cells/L

Question 10

Platelets

Answer 10

150–450 × 10^9 cells/L

Question 11

Normal serum folate

Answer 11

serum folate 5–25 mcg/L (11.33–56.65 nmol/L)

RBC folate 166–640 mcg/L (376.16–1450.24 nmol/L

Question 12

Normal serum ferritin

Answer 12

Males
12-300ng/ml

Females
10-150ng/ml

Question 13

Normal serum iron

Answer 13

50-150Mmcg/dL
9–26.9 μmol/L

Question 14

Total iron binding capacity

Answer 14

250–410 mcg/dL (44.8–73.4 μmol/L)

Question 15

Activated Partial Thromboplastin Time in normal and heparin-treated patients

Answer 15

25-35 seconds

Therapeutic range for heparin-treated patients is 1.5 to 2.5 times controaPTT

Question 16

Normal Activated clotting time

Answer 16

70–180 but varies

Question 17

Normal Fibrinogen levels

Answer 17

200–400 mg/dL (5.8–11.8 mmol/L)

Question 18

Normal thrombin time

Answer 18

17–25 sec but varies according to thrombin
concentration and reaction conditions

Question 19

Fibrin degradation products normal range

Answer 19

<10 mcg/mL or <10 mg/L but varies with assay

Question 20

Normal D-dimer levels

Answer 20

<0.5 mcg/mL (<3 nmol/L) but varies with specific assay