Lab reference ranges

Question 1

Hemoglobin:
Males ____ to ____
Females ______ to ______

Answer 1

males 13.0 to 17.5

Females 12.0 to 16

Question 2

hematocrit:
Males ____ to _____
Females _____ to ______

Answer 2

males 40 - 50%

females 36 - 45%

Question 3

MCV: ___ to _____

Answer 3

80 - 100

Question 4

RDW ___ to ____

Answer 4

> 14.5%

Question 5

Platelet count < _____ indicates increased risk of bleeding disorders, DIC

Answer 5

140,000

Question 6

reticulocytes: ___% to ____% of red cells (increases indicate acute bleeding, starting treatment for vitamin deficiencies (iron, B12, folate), acute hemolytic episodes

Answer 6

0.5 - 1.5%

Question 7

Total WBC count: ____ to ______

Answer 7

4,500 - 11,000

or 4 to 10.5

Question 8

neutrophils (or segs): > ____% indicates bacterial infections.
Norm is ___ - ___ %

Answer 8

> 70%

56-62%

Question 9

Band forms (immature WBCs): > ____% indicates severe bacterial infections. Also called shift to the ______.

Answer 9

6%

left

Question 10

eosinophils: > _____ % indicates increased risk/presence of allergies/atopy, parasitic diseases (intestinal worms), cancer

Answer 10

3%

Question 11

TSH: > ____ indicates hypothyroidism

Answer 11

5

Question 12

TSH: < ___ indicates hyperthyroidism

Answer 12

0.4

Question 13

PSA: norm is < ____. Elevation inidicates BPH or prostate cancer.

Answer 13

4

Question 14

Ferritin: < ___ indicates iron-deficiency anemia

Answer 14

15

Question 15

ESR/”sed rate”:
Men ___ to ____
women ___ to ____

Answer 15

men 0-22

women 0-29

Question 16

ESR/”Sed rate” elevations are seen in giant cell _____, _____, ____, and any _______ process

Answer 16

arteritis
RA
lupus
inflammatory

Question 17

CRP: normal is < ___. Elevations are seen in inflammation, ________ diseases, and is a risk factor for _______ disease

Answer 17

3
autoimmune
heart

Question 18

cTnT normal level is ____ to ______

Answer 18

0 to 0.4

Question 19

normal BNP range is < _____.

Answer 19

100

Question 20

potassium: a level less than _____ or greater than ______ is a risk for __________

Answer 20

3.5
5.5
arrhythmia

Question 21

A Low MCV indicates ______ anemia

Answer 21

microcytic

Question 22

the differential diagnosis for microcytic anemia is ______ _______ anemia and ______/_______ ________

Answer 22

iron deficiency

alpha/beta thalassemia (trait or minor)

Question 23

lymphocytes: > ___% indicates viral infections, mono, lymphoma

Answer 23

10%

Question 24

What does leukocytosis indicate?

Answer 24

infection

Question 25

Creatinine > ____ indicates decreased renal function

Answer 25

1.3