Lab Values

Question 1

Hemoglobin - males

Answer 1

13.0-17.5mg/dL

Question 2

Hemoglobin - females

Answer 2

12-16mg/dL

Question 3

Hematocrit - males

Answer 3

40-50%

Question 4

Hematocrit - females

Answer 4

36-45%

Question 5

MCV

Answer 5

MCV stands for mean corpuscular volume- average size of your red blood cells.

80-100Fl

Question 6

RDW

Answer 6

measurement of the variation in size and volume of red blood cells
>14.5%

Question 7

Platelet count

Answer 7

<150,000/mm3

Question 8

Reticulocytes

Answer 8

Immature red blood cells

0.5-1.5%
(increase in acute bleeding)

Question 9

WBC count

Answer 9

4,500-11,000 mm3
(increase with bacterial infection)

Question 10

Neutrophils

Answer 10

WBCs - one of the first immune cells to respond when microorganisms enter the body, such as bacteria or viruses

55-70% (increased in bacterial infections)

Question 11

Band forms
(immature WBCs)

Answer 11

0-5% (increase in severe bacterial infections)
Also called shift to the left

Question 12

Eosinophils

Answer 12

> 3% (increase in allergies, parasitic disease, cancers)

Question 13

TSH

Answer 13

0.4-5

> 5.0 mU/L (hypothyroidism)

<0.4
(hyperthyroidism)

Question 14

PSA

Answer 14

<4 ng/ml
BPH, prostate cancer

Question 15

Ferritin

Answer 15

15mcg/L or more
(iron deficiency anemia if lower)

Question 16

ESR - men

Answer 16

0-22 mm/hr
(elevated in giant cell arteritis, RA, SLE)

Question 17

ESR - women

Answer 17

0-29 mm/hr
(elevated in giant cell arteritis, RA, SLE)

Question 18

CRP

Answer 18

Less than 0.3%

Elevated with inflammation, autoimmune diseases, risk factor for heart disease

Question 19

CTnT

Answer 19

Elevated in MI, heart damage, heart failure

Question 20

BNP

Answer 20

Less than 100

Elevated in heart failure

Question 21

Potassium

Answer 21

3.5-5.5 mEq/L
(critical if below 2.5 or over 8)

Question 22

MCH (mean corpuscular hemoglobin)

Answer 22

Average hemoglobin content in a red blood cell

Question 23

MCV (mean corpuscular volume)

Answer 23

average volume (size) of the red blood cells